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A Study of Ipatasertib in Combination With Paclitaxel as a Treatment for Participants With PIK3CA/AKT1/PTEN-Altered, Locally Advanced or Metastatic, Triple-Negative Breast Cancer or Hormone Receptor-Positive, HER2-Negative Breast Cancer

A Double-Blind, Placebo-Controlled, Randomized Phase III Study of Ipatasertib in Combination With Paclitaxel as a Treatment for Patients With PIK3CA/AKT1/PTEN-Altered, Locally Advanced or Metastatic, Triple-Negative Breast Cancer or Hormone Receptor-Positive, HER2-Negative Breast Cancer

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03337724
Acronym
IPATunity130
Enrollment
579
Registered
2017-11-09
Start date
2018-01-06
Completion date
2023-01-04
Last updated
2024-03-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Breast Cancer

Brief summary

This study will evaluate the efficacy of ipatasertib + paclitaxel versus placebo + paclitaxel in participants with histologically confirmed, locally advanced or metastatic triple-negative breast cancer (TNBC) and in participants with locally advanced or metastatic hormone receptor positive (HR+)/ human epidermal growth factor receptor 2 negative (HER2-) breast adenocarcinoma who are not suitable for endocrine therapy.

Interventions

DRUGIpatasertib

Ipatasertib, 400 milligrams (mg), administered orally once a day (QD) on Days 1-21 of each 28-day cycle until disease progression, intolerable toxicity, elective withdrawal from the study, or study completion or termination.

DRUGPaclitaxel

Paclitaxel, 80 mg/square meter (m\^2), administered intravenously (IV) on Days 1, 8, and 15 of each 28-day cycle until disease progression, intolerable toxicity, elective withdrawal from the study, or study completion or termination.

DRUGPlacebo

Matching placebo, administered orally QD on Days 1-21 of each 28-day cycle until disease progression, intolerable toxicity, elective withdrawal from the study, or study completion or termination.

Sponsors

Hoffmann-La Roche
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Women or men aged =\>18 years with histologically documented triple-negative breast cancer (TNBC) or HR+/HER2- adenocarcinoma of the breast that is locally advanced or metastatic and is not amenable to resection with curative intent * Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1 * Adequate hematologic and organ function within 14 days prior to treatment initiation * Histologically documented TNBC or HR+/HER2- adenocarcinoma of the breast that is locally advanced or metastatic and is not amenable to resection with curative intent * Measurable disease according to Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 * Eligible for taxane monotherapy, as per local investigator assessment (e.g., absence of rapid clinical progression, life-threatening visceral metastases, or the need for rapid symptom and/or disease control which may require combination chemotherapy) * HR+/HER2- breast cancer that is not considered appropriate for endocrine-based therapy and meets one of the following: patient has recurrent disease \<=5 years of being on adjuvant endocrine therapy or if patient with de novo metastatic disease have progressed within 6 months of being on first line endocrine therapy. * Consent to submit a formalin-fixed, paraffin-embedded tumor (FFPE) tissue block or freshly cut unstained, serial tumor slides from the most recently collected tumor tissue for central molecular analysis * Confirmation of biomarker eligibility using an appropriately validated molecular assay at a diagnostic laboratory, Clinically Laboratory Improvement Amendments (CLIA) or equivalently accredited i.e., valid results from either central testing or local testing of tumor tissue or blood demonstrating PIK3CA/AKT1/PTEN-altered status * For women of childbearing potential: agreement to remain abstinent (refrain from heterosexual intercourse) or use contraception and agreement to refrain from donating eggs * For men: agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive methods and agreement to refrain from donating sperm

Exclusion criteria

* Treatment with approved or investigational cancer therapy within 14 days prior to treatment initiation * Any previous chemotherapy for inoperable locally advanced or metastatic TNBC or HR+/HER2- adenocarcinoma of the breast (patients receiving neo/adjuvant chemotherapy eligible provided they have at least a 12 month disease-free interval) * History of or known presence of brain or spinal cord metastases * Malignancies other than breast cancer within 5 years prior to treatment initiation (except for appropriately treated carcinoma in situ of the cervix, non-melanoma skin carcinoma, or Stage I uterine cancer) * Prior treatment with an Akt inhibitor (prior PI3K or mTOR inhibitors are allowed) * History of malabsorption syndrome or other condition that would interfere with enteral absorption or results in the inability or unwillingness to swallow pills * Active infection requiring systemic anti-microbial treatment (including antibiotics, anti-fungals, and anti-viral agents) * Known human immunodeficiency virus (HIV) infection * Known clinically significant history of liver disease consistent with Child-Pugh Class B or C, including active viral or other hepatitis, current drug or alcohol abuse, or cirrhosis * Major surgical procedure, open biopsy, or significant traumatic injury within 28 days prior to initiation of treatment (or anticipated need during study) * Pregnant or breastfeeding, or intending to become pregnant during the study * Clinically significant cardiac dysfunction (including NYHA Class II/III/IV heart failure, left ventricular ejection fraction \[LVEF\] \<50%, active ventricular arrhythmia requiring medication, history of myocardial infarction within 6 months of treatment initiation, clinically significant electrocardiogram \[ECG\] abnormalities). * Need for chronic corticosteroid therapy of \>=10 mg of prednisone per day or an equivalent dose of other anti-inflammatory corticosteroids or immunosuppressants for a chronic disease * Unresolved, clinically significant toxicity from prior therapy, except for alopecia and Grade 1 peripheral neuropathy * Uncontrolled clinical symptoms including pleural effusion, pericardial effusion, or ascites, tumor-related pain, hypercalcemia (or symptomatic hypercalcemia requiring continued use of bisphosphonate therapy) * History of Type I or Type II diabetes mellitus requiring insulin * Grade \>=2 uncontrolled or untreated hypercholesterolemia or hypertriglyceridemia * History of or active inflammatory bowel disease or active bowel inflammation * Clinically significant lung disease (including pneumonitis, interstitial lung disease, idiopathic pulmonary fibrosis, cystic fibrosis, active infection/ history of opportunistic infections) * Treatment with strong CYP3A inhibitors or strong CYP3A inducers within 2 weeks or 5 drug-elimination half-lives, whichever is longer, prior to initiation of treatment * Grade \>=2 peripheral neuropathy

Design outcomes

Primary

MeasureTime frameDescription
Cohort A: Progression-Free Survival (PFS)From randomization up to 27 monthsPFS was defined as the time from randomization to the first occurrence of disease progression, as determined locally by the investigator through the use of Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v.1.1), or death from any cause, whichever occurred first, assessed up to 27 months for this outcome measure. Progressive disease (PD) was defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study, including baseline, in addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 millimeter (mm). The appearance of one or more new lesions was also considered progression.
Cohort B: PFSFrom randomization up to 24.4 monthsPFS was defined as the time from randomization to the first occurrence of disease progression, as determined locally by the investigator through the use of RECIST v.1.1, or death from any cause, whichever occurred first, assessed up to 24.4 months for this outcome measure. PD was defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study, including baseline, in addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. The appearance of one or more new lesions was also considered progression. Abbreviation used in statistical analysis: PI3K=phosphoinositide 3-kinase and mTOR=mammalian target of rapamycin inhibitor.
Cohort C: PFSFrom enrollment up to 31 monthsPFS for Cohort C was defined as the time from enrollment to the first occurrence of disease progression, as determined locally by the investigator through the use of RECIST v.1.1, or death from any cause, whichever occurred first, assessed up to 31 months for this outcome measure. PD was defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study, including baseline, in addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. The appearance of one or more new lesions was also considered progression.

Secondary

MeasureTime frameDescription
Cohort C: DORFrom enrollment up to 31 monthsDOR was defined as the time from the first occurrence of a documented OR (CR or PR) to PD, as determined locally by the investigator through the use of RECIST v1.1, or death from any cause, whichever occurred first, assessed up to 31 months for this outcome measure. CR was defined as the disappearance of all target lesions or any pathological lymph nodes (whether target or non-target) having a reduction in short axis to \<10 mm. PR was defined as at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum of diameters. PD was defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study, including baseline, in addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. The appearance of one or more new lesions was also considered progression.
Cohort A and B: Clinical Benefit Rate (CBR)From randomization up to 27 months for Cohort A and up to 24.4 months for Cohort BCBR was defined as percentage of participants with an objective response (CR or PR), or stable disease (SD) for at least 24 weeks, as determined by the investigator through the use of RECIST v.1.1. assessed up to From randomization up to 27 months for Cohort A and up to 24.4 months for Cohort B for this outcome measure. CR was defined as the disappearance of all target lesions or any pathological lymph nodes (whether target or non-target) having a reduction in short axis to \<10 mm. PR was defined as at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum of diameters. SD was defined as neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD. Percentages are rounded off to the nearest decimal point.
Cohort C: CBRFrom enrollment up to 31 monthsCBR was defined as percentage of participants with an objective response (CR or PR), or SD for at least 24 weeks, as determined by the investigator through the use of RECIST v.1.1 assessed up to 31 months for this outcome measure. CR was defined as the disappearance of all target lesions or any pathological lymph nodes (whether target or non-target) having a reduction in short axis to \<10 mm. PR was defined as at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum of diameters. SD was defined as neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD. Percentages are rounded off to the nearest decimal point.
Overall Survival (OS)From randomization/ enrollment (Cohort C) up to death from any cause, up to 45 months for Cohort A, up to 46 months for Cohort B and up to 31 months for Cohort COS was defined as the time from randomization to death from any cause.
Cohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Baseline, Day 1 of Cycles 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 and 24 (cycle length=28 days)European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORTC QLQ-C30) is a cancer-specific instrument with 30 questions covering symptoms, functioning, and health-related quality of life (HRQoL). The participant's assessment of overall HRQoL is assessed by using the last 2 questions (29 and 30) of the instrument, with each of these items based on a 7-point scale (1=very poor to 7=excellent), which are then combined into the GHS/QoL multi-item scale. The scores obtained for each question were averaged into a raw score for the scale, and this raw score for the scale was then subsequently linearly transformed to a scale score of 0 to 100, with a high score indicating better GHS/QoL. Negative change from Baseline values in the GHS/QoL change from baseline analysis indicated deterioration in HRQoL and positive values indicated improvement.
Cohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Baseline, Day 1 of Cycles 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, and 44 (cycle length=28 days)EORTC QLQ-C30 is a cancer-specific instrument with 30 questions covering symptoms, functioning, and health-related quality of life (HRQoL). The participant's assessment of overall HRQoL is assessed by using the last 2 questions (29 and 30) of the instrument, with each of these items based on a 7-point scale (1=very poor to 7=excellent), which are then combined into the GHS/QoL multi-item scale. The scores obtained for each question were averaged into a raw score for the scale, and this raw score for the scale was then subsequently linearly transformed to a scale score of 0 to 100, with a high score indicating better GHS/QoL. Negative change from Baseline values in the GHS/QoL change from baseline analysis indicated deterioration in HRQoL and positive values indicated improvement.
Cohort B: Time to Deterioration (TTD) in PainBaseline up to 24.4 monthsTime to deterioration in GHS/HRQoL was defined as the time from randomization to first observed ≥ 11-point increase from Baseline in pain scale score (Question 9 and 19) in EORTC QLQ-C30 linearly transformed GHS/HRQoL scale score, assessed up 24.4 months for this outcome measure. TTD was planned to be assessed only in cohort with HR+/HER2 - breast cancer participants (Cohort B). Questions 9 and 19 that assessed pain, used 4-point scale (1=not at all, 2=a little, 3=quite a bit, 4=very much). The scores were linearly transformed on a scale of 0 to 100, with higher scores indicating increased severity in symptoms.
Number of Participants With Adverse Events (AEs)Up to 58.9 months for Cohort A, up to 59.9 months for Cohort B and up to 45.5 months for Cohort CAn AE is any untoward medical occurrence in a participant administered a pharmaceutical product, regardless of causal attribution. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding, for example), symptom, or disease temporally associated with the use of a pharmaceutical product, whether or not considered related to the pharmaceutical product. Preexisting conditions which worsen during a study are also considered as adverse events. AEs were reported based on the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE), Version 4.0.
Cohort A and B: Objective Response Rate (ORR)From randomization up to 27 months for Cohort A and up to 24.4 months for Cohort BORR was defined as percentage of participants with partial response (PR) or complete response (CR) on 2 consecutive occasions ≥4 weeks apart as determined by the investigator using RECIST v.1.1, assessed up to 27 months for Cohort A and up to 24.4 months for Cohort B, for this outcome measure. CR was defined as the disappearance of all target lesions or any pathological lymph nodes (whether target or non-target) having a reduction in short axis to \<10 mm. PR was defined as at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum of diameters. Percentages are rounded off to the nearest decimal point.
Cohorts A and B:Plasma Concentration of IpatasertibDays 1 and 15 of Cycle 1: 1 to 3 hours post dose, and on Day 15 of Cycle 3: 2 to 4 hours post dose (cycle length= 28 days)
Cohort C: Plasma Concentration of IpatasertibDays 1 and 15 of Cycle 1: 1 to 3 hours post dose, and on Day 15 of Cycle 3: 2 to 4 hours post dose (cycle length= 28 days)
Cohorts A and B: Plasma Concentration of G-037720Days 1 and 15 of Cycle 1: 1 to 3 hours post dose, and on Day 15 of Cycle 3: 2 to 4 hours post dose (cycle length= 28 days )G-037720 was a metabolite of ipatasertib.
Cohort C: Plasma Concentration of G-037720Days 1 and 15 of Cycle 1: 1 to 3 hours post dose, and on Day 15 of Cycle 3: 2 to 4 hours post dose (cycle length= 28 days )G-037720 was a metabolite of ipatasertib.
Cohort C: 1-year Event-free PFS RateFrom enrollment until the occurrence of disease progression or death from any cause, whichever occurred earlier, up to 1 yearPFS was defined as the time from enrollment to the first occurrence of disease progression, as determined locally by the investigator through the use of RECIST v.1.1, or death from any cause, whichever occurred first. Event-free PFS rate was defined as percentage of participants who did not experience any event and survived at 1 year after enrollment. PD was defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study, including baseline, in addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. The appearance of one or more new lesions was also considered progression. Percentages are rounded off to the nearest decimal point. As prespecified in the protocol, this outcome measure was applicable only to Cohort C.
Cohort C: 1-year Event-free OS RateFrom enrollment up to death from any cause, up to 1 yearOS was defined as the time from enrollment to death from any cause. Event-free OS rate was defined as percentage of participants who did not experience any event and survived at 1 year after enrollment. As prespecified in the protocol, this outcome measure was applicable only to Cohort C. Percentages were rounded off to the nearest decimal.
Cohort C: Serum Concentration of AtezolizumabDay 1 of Cycle 1: 30 minutes post dose, predose on Day 15 of Cycle 1 and predose on Day 1 of Cycles 2, 3, 4, 8, 12 and 16 (cycle length=28 days)As prespecified in the protocol, this outcome measure was applicable only to Cohort C.
Cohort C: Number of Participants With Anti-Drug Antibodies (ADAs) to AtezolizumabUp to 45.5 monthsThe numbers of ADA-positive participants after drug administration were summarized for participants exposed to atezolizumab. As prespecified in the protocol, this outcome measure was applicable only to Cohort C.
Number of Participants With at Least One Adverse Events of Special Interest (AESI)Up to 58.9 months for Cohort A, up to 59.9 months for Cohort B and up to 45.5 months for Cohort CAn AE is any untoward medical occurrence in a participant administered a pharmaceutical product, regardless of causal attribution. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding, for example), symptom, or disease temporally associated with the use of a pharmaceutical product, whether or not considered related to the pharmaceutical product. Preexisting conditions which worsen during a study are also considered as adverse events. AEs were reported based on the NCI CTCAE, Version 4.0. AESI include cases of potential drug-induced liver injury that include an elevated alanine aminotransferase (ALT) or aspartate aminotransferase (AST) in combination with either an elevated bilirubin or clinical jaundice, as defined by Hy's Law. Suspected transmission of an infectious agent by the study drug, Grade \>= 3 fasting hyperglycemia, hepatotoxicity, diarrhea, rash, ALT/AST elevations. Grade \>= 2 colitis/enterocolitis.
Cohort C: ORRFrom enrollment up to 31 monthsORR was defined as percentage of participants with PR or CR on 2 consecutive occasions ≥4 weeks apart as determined by the investigator using RECIST v.1.1, assessed up to 31 months for this outcome measure. CR was defined as the disappearance of all target lesions or any pathological lymph nodes (whether target or non-target) having a reduction in short axis to \<10 mm. PR was defined as at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum of diameters. Percentages are rounded off to the nearest decimal point.
Cohort A and B: Duration of Response (DOR)From randomization up to 27 months for Cohort A and up to 24.4 months for Cohort BDOR was defined as the time from the first occurrence of a documented OR (CR or PR) to PD, as determined locally by the investigator through the use of RECIST v1.1, or death from any cause, whichever occurred first assessed up to 27 months for Cohort A and up to 24.4 months for Cohort B, for this outcome measure. CR was defined as the disappearance of all target lesions or any pathological lymph nodes (whether target or non-target) having a reduction in short axis to \<10 mm. PR was defined as at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum of diameters. PD was defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study, including baseline, in addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. The appearance of one or more new lesions was also considered progression.

Countries

Argentina, Australia, Belgium, Brazil, Canada, Chile, Costa Rica, Czechia, France, Germany, Greece, Hungary, India, Italy, Japan, Mexico, North Macedonia, Peru, Poland, Russia, Singapore, Slovenia, South Africa, South Korea, Spain, Taiwan, Turkey (Türkiye), Ukraine, United Kingdom, United States

Participant flow

Recruitment details

Participants with protocol specified triple-negative breast cancer (TNBC) or HR+/HER- took part in the study in the following countries: Argentina, Australia, Belgium, Brazil, Canada, Chile, Costa Rica, Czech Republic, France, Greece, Germany, Hungary, Italy, India, Japan, Macedonia, Mexico, Poland, Peru, Republic of Korea, Russian Federation, Slovenia, Spain, Singapore, South Africa, Taiwan, Turkey, Ukraine, United Kingdom, and United States from 6 January 2018 to 4 January 2023.

Pre-assignment details

Participants with TNBC or hormone receptor positive(HR+)/human epidermal growth factor receptor 2 negative(HER2-) breast adenocarcinoma with phosphatidylinositol-4,5-bisphosphate3-kinase,catalytic subunit, alpha(PIK3CA)/serine-threonine kinase(AKT1)/phosphatase & tensin homolog (PTEN)-altered tumor were randomized to ipatasertib 400 mg+paclitaxel or placebo+paclitaxel (Cohorts A,B) & those with TNBC without PIK3CA/ AKT1/PTEN-altered tumor received ipatasertib+atezolizumab+paclitaxel (Cohort C).

Participants by arm

ArmCount
Cohort A: Placebo + Paclitaxel
Participants with histologically confirmed locally advanced unresectable or metastatic TNBC with PIK3CA/AKT1/PTEN alteration and no prior systemic chemotherapy in the advanced disease setting and who were candidates for taxane monotherapy received paclitaxel chemotherapy, 80 mg/m\^2, IV, on Days 1, 8, and 15 of each 28-day cycle and placebo, orally QD, on Days 1 to 21 of each 28-day cycle up to 58.9 months.
87
Cohort A: Ipatasertib + Paclitaxel
Participants with histologically confirmed locally advanced unresectable or metastatic TNBC with PIK3CA/AKT1/PTEN alteration and no prior systemic chemotherapy in the advanced disease setting and who were candidates for taxane monotherapy received paclitaxel chemotherapy, 80 mg/m\^2, IV, on Days 1, 8, and 15 of each 28-day cycle and ipatasertib, at a dose of 400 mg, administered orally QD, on Days 1 to 21 of each 28-day cycle up to 58.9 months.
168
Cohort B: Placebo + Paclitaxel
Participants with histologically confirmed HR+ /HER2- adenocarcinoma of the breast with PIK3CA/AKT1/PTEN alteration and no prior systemic chemotherapy in the advanced disease setting and who were candidates for taxane monotherapy received paclitaxel chemotherapy, 80 mg/m\^2, IV, on Days 1, 8, and 15 of each 28-day cycle and placebo, orally QD, on Days 1 to 21 of each 28-day cycle up to 59.9 months.
76
Cohort B: Ipatasertib + Paclitaxel
Participants with histologically confirmed HR+/HER2- adenocarcinoma of the breast with PIK3CA/AKT1/PTEN alteration and no prior systemic chemotherapy in the advanced disease setting and who were candidates for taxane monotherapy received paclitaxel chemotherapy, 80 mg/m\^2, IV, on Days 1, 8, and 15 of each 28-day cycle and ipatasertib, at a dose of 400 mg, administered orally QD, on Days 1 to 21 of each 28-day cycle up to 59.9 months.
146
Cohort C: Ipatasertib + Atezolizumab + Paclitaxel
Participants with histologically confirmed locally advanced unresectable or metastatic TNBC without PIK3CA/AKT1/PTEN-altered tumors and no prior systemic chemotherapy in the advanced disease setting and who were candidates for taxane monotherapy received paclitaxel chemotherapy 80 mg/m\^2, IV, on Days 1, 8, and 15 of each 28-day cycle, ipatasertib at a dose of 400 mg, administered orally QD, on Days 1 to 21 of each 28-day cycle, and atezolizumab 840 mg, IV, on Days 1 and 15 of each 28-day cycle up to 45.5 months.
102
Total579

Withdrawals & dropouts

PeriodReasonFG000FG001FG002FG003FG004
Overall StudyAdverse Event11010
Overall StudyDeath4089437650
Overall StudyLost to Follow-up55474
Overall StudyPhysician Decision1634143413
Overall StudyProgressive Disease02120
Overall StudyProtocol Deviation01110
Overall StudyReason not Specified12219929
Overall StudySymptomatic Deterioration00010
Overall StudyWithdrawal by Subject13154156

Baseline characteristics

CharacteristicCohort A: Placebo + PaclitaxelCohort A: Ipatasertib + PaclitaxelCohort B: Placebo + PaclitaxelCohort B: Ipatasertib + PaclitaxelCohort C: Ipatasertib + Atezolizumab + PaclitaxelTotal
Age, Continuous54.2 years
STANDARD_DEVIATION 12.6
54.6 years
STANDARD_DEVIATION 12.8
54.5 years
STANDARD_DEVIATION 11.3
57.2 years
STANDARD_DEVIATION 11.1
54.6 years
STANDARD_DEVIATION 11.7
55.2 years
STANDARD_DEVIATION 12
Ethnicity (NIH/OMB)
Hispanic or Latino
29 Participants59 Participants13 Participants29 Participants36 Participants166 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
57 Participants101 Participants62 Participants115 Participants58 Participants393 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
1 Participants8 Participants1 Participants2 Participants8 Participants20 Participants
Race (NIH/OMB)
American Indian or Alaska Native
13 Participants15 Participants3 Participants4 Participants5 Participants40 Participants
Race (NIH/OMB)
Asian
17 Participants37 Participants22 Participants38 Participants12 Participants126 Participants
Race (NIH/OMB)
Black or African American
1 Participants5 Participants3 Participants2 Participants9 Participants20 Participants
Race (NIH/OMB)
More than one race
0 Participants4 Participants2 Participants0 Participants5 Participants11 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants0 Participants1 Participants1 Participants
Race (NIH/OMB)
Unknown or Not Reported
5 Participants8 Participants1 Participants9 Participants15 Participants38 Participants
Race (NIH/OMB)
White
51 Participants99 Participants45 Participants93 Participants55 Participants343 Participants
Sex: Female, Male
Female
87 Participants167 Participants76 Participants144 Participants102 Participants576 Participants
Sex: Female, Male
Male
0 Participants1 Participants0 Participants2 Participants0 Participants3 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
EG004
affected / at risk
deaths
Total, all-cause mortality
41 / 8791 / 16844 / 7678 / 14650 / 102
other
Total, other adverse events
82 / 87161 / 16672 / 75141 / 145101 / 102
serious
Total, serious adverse events
20 / 8734 / 16611 / 7530 / 14529 / 102

Outcome results

Primary

Cohort A: Progression-Free Survival (PFS)

PFS was defined as the time from randomization to the first occurrence of disease progression, as determined locally by the investigator through the use of Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v.1.1), or death from any cause, whichever occurred first, assessed up to 27 months for this outcome measure. Progressive disease (PD) was defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study, including baseline, in addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 millimeter (mm). The appearance of one or more new lesions was also considered progression.

Time frame: From randomization up to 27 months

Population: ITT Population included all randomized participants in Cohorts A regardless of whether the participants received the assigned treatment.

ArmMeasureValue (MEDIAN)
Cohort A: Placebo + PaclitaxelCohort A: Progression-Free Survival (PFS)6.1 months
Cohort A: Ipatasertib + PaclitaxelCohort A: Progression-Free Survival (PFS)7.4 months
p-value: 0.923795% CI: [0.71, 1.45]Log Rank
Primary

Cohort B: PFS

PFS was defined as the time from randomization to the first occurrence of disease progression, as determined locally by the investigator through the use of RECIST v.1.1, or death from any cause, whichever occurred first, assessed up to 24.4 months for this outcome measure. PD was defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study, including baseline, in addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. The appearance of one or more new lesions was also considered progression. Abbreviation used in statistical analysis: PI3K=phosphoinositide 3-kinase and mTOR=mammalian target of rapamycin inhibitor.

Time frame: From randomization up to 24.4 months

Population: ITT Population included all randomized participants in Cohort B regardless of whether the participants received the assigned treatment.

ArmMeasureValue (MEDIAN)
Cohort A: Placebo + PaclitaxelCohort B: PFS9.3 months
Cohort A: Ipatasertib + PaclitaxelCohort B: PFS9.3 months
p-value: 0.996595% CI: [0.71, 1.4]Log Rank
Primary

Cohort C: PFS

PFS for Cohort C was defined as the time from enrollment to the first occurrence of disease progression, as determined locally by the investigator through the use of RECIST v.1.1, or death from any cause, whichever occurred first, assessed up to 31 months for this outcome measure. PD was defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study, including baseline, in addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. The appearance of one or more new lesions was also considered progression.

Time frame: From enrollment up to 31 months

Population: ITT population included of all enrolled participants in Cohort C.

ArmMeasureValue (MEDIAN)
Cohort A: Placebo + PaclitaxelCohort C: PFS7.1 months
Secondary

Cohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30

European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORTC QLQ-C30) is a cancer-specific instrument with 30 questions covering symptoms, functioning, and health-related quality of life (HRQoL). The participant's assessment of overall HRQoL is assessed by using the last 2 questions (29 and 30) of the instrument, with each of these items based on a 7-point scale (1=very poor to 7=excellent), which are then combined into the GHS/QoL multi-item scale. The scores obtained for each question were averaged into a raw score for the scale, and this raw score for the scale was then subsequently linearly transformed to a scale score of 0 to 100, with a high score indicating better GHS/QoL. Negative change from Baseline values in the GHS/QoL change from baseline analysis indicated deterioration in HRQoL and positive values indicated improvement.

Time frame: Baseline, Day 1 of Cycles 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 and 24 (cycle length=28 days)

Population: Patient-reported outcome (PRO)-evaluable Population included all randomized (Cohorts A and B) participants who had a baseline and at least 1 postbaseline PRO assessment.Overall number analyzed is the number of participants with data available for analyses. Number analyzed is the number of participants with data available for analysis at the specified time point.

ArmMeasureGroupValue (MEAN)Dispersion
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 20.95 score on scaleStandard Deviation 20.59
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 19-4.17 score on scaleStandard Deviation 8.33
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 14-2.38 score on scaleStandard Deviation 10.45
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 5-2.08 score on scaleStandard Deviation 16.46
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 15-9.72 score on scaleStandard Deviation 11.08
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 18-8.33 score on scaleStandard Deviation 9.62
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 16-6.67 score on scaleStandard Deviation 13.69
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 3-0.93 score on scaleStandard Deviation 20.53
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 17-8.33 score on scaleStandard Deviation 9.62
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 23-16.67 score on scale
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 6-6.94 score on scaleStandard Deviation 15.97
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 7-5.48 score on scaleStandard Deviation 12.45
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 22-16.67 score on scale
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 8-6.90 score on scaleStandard Deviation 13.56
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 24-16.67 score on scale
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 90.00 score on scaleStandard Deviation 10.29
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 4-4.44 score on scaleStandard Deviation 19.42
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 21-16.67 score on scale
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 10-2.38 score on scaleStandard Deviation 9.91
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 11-3.43 score on scaleStandard Deviation 15.88
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 20-8.33 score on scaleStandard Deviation 11.79
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 120.76 score on scaleStandard Deviation 11.46
Cohort A: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 13-5.21 score on scaleStandard Deviation 10.85
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 20-5.56 score on scaleStandard Deviation 9.62
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 23-25.00 score on scale
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 80.33 score on scaleStandard Deviation 22.11
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 14-3.57 score on scaleStandard Deviation 19.26
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 11-4.46 score on scaleStandard Deviation 21.09
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 18-15.48 score on scaleStandard Deviation 16.96
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 21-16.67 score on scaleStandard Deviation 0
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 15-5.77 score on scaleStandard Deviation 12.9
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 5-2.87 score on scaleStandard Deviation 18.61
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 24-41.67 score on scale
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 9-3.49 score on scaleStandard Deviation 25.28
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 16-8.33 score on scaleStandard Deviation 14.91
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 19-20.00 score on scaleStandard Deviation 7.45
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 17-6.82 score on scaleStandard Deviation 13.34
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 13-8.33 score on scaleStandard Deviation 23.57
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 12-8.33 score on scaleStandard Deviation 19.94
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 10-4.52 score on scaleStandard Deviation 21.61
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 6-2.06 score on scaleStandard Deviation 21.04
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 30.35 score on scaleStandard Deviation 21.73
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 22-16.67 score on scale
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 4-2.42 score on scaleStandard Deviation 21.95
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 7-3.28 score on scaleStandard Deviation 20.93
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 2-0.26 score on scaleStandard Deviation 24.58
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 13-2.43 score on scaleStandard Deviation 21.63
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 24.79 score on scaleStandard Deviation 15.83
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 31.19 score on scaleStandard Deviation 19.62
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 4-0.79 score on scaleStandard Deviation 21.1
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 5-1.19 score on scaleStandard Deviation 20
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 61.42 score on scaleStandard Deviation 19.18
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 70.34 score on scaleStandard Deviation 20.34
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 80.35 score on scaleStandard Deviation 16.84
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 91.10 score on scaleStandard Deviation 18.8
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 101.28 score on scaleStandard Deviation 19.64
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 112.38 score on scaleStandard Deviation 22.83
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 120.00 score on scaleStandard Deviation 22.46
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 14-0.76 score on scaleStandard Deviation 21.81
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 15-2.22 score on scaleStandard Deviation 18.49
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 16-4.17 score on scaleStandard Deviation 19.27
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 17-7.64 score on scaleStandard Deviation 15.27
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 18-9.26 score on scaleStandard Deviation 19.74
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 19-11.67 score on scaleStandard Deviation 16.24
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 20-16.67 score on scaleStandard Deviation 11.79
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 21-13.89 score on scaleStandard Deviation 20.97
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 22-11.11 score on scaleStandard Deviation 9.62
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 23-16.67 score on scaleStandard Deviation 16.67
Cohort B: Placebo + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 24-16.67 score on scaleStandard Deviation 0
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 12-4.02 score on scaleStandard Deviation 16.32
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 24-16.67 score on scaleStandard Deviation 11.79
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 19-7.64 score on scaleStandard Deviation 23.96
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 11-5.13 score on scaleStandard Deviation 19.3
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 10-6.43 score on scaleStandard Deviation 18.83
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 23-15.00 score on scaleStandard Deviation 18.07
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 20-10.00 score on scaleStandard Deviation 12.3
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 9-7.37 score on scaleStandard Deviation 20.05
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 8-5.99 score on scaleStandard Deviation 18.55
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 3-2.13 score on scaleStandard Deviation 17.99
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 21-10.71 score on scaleStandard Deviation 13.36
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 7-4.17 score on scaleStandard Deviation 19.47
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 6-3.88 score on scaleStandard Deviation 20.67
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 2-3.61 score on scaleStandard Deviation 21.45
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 22-14.29 score on scaleStandard Deviation 15
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 16-2.33 score on scaleStandard Deviation 16.05
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 5-3.01 score on scaleStandard Deviation 18.7
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 17-5.95 score on scaleStandard Deviation 13.73
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 15-0.62 score on scaleStandard Deviation 20.14
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 14-3.29 score on scaleStandard Deviation 15.68
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 4-1.99 score on scaleStandard Deviation 20.75
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 18-6.55 score on scaleStandard Deviation 16.07
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Change From Baseline in Global Health Status (GHS)/Health-Related Quality of Life (HRQoL) Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 13-4.65 score on scaleStandard Deviation 18.57
Secondary

Cohort A and B: Clinical Benefit Rate (CBR)

CBR was defined as percentage of participants with an objective response (CR or PR), or stable disease (SD) for at least 24 weeks, as determined by the investigator through the use of RECIST v.1.1. assessed up to From randomization up to 27 months for Cohort A and up to 24.4 months for Cohort B for this outcome measure. CR was defined as the disappearance of all target lesions or any pathological lymph nodes (whether target or non-target) having a reduction in short axis to \<10 mm. PR was defined as at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum of diameters. SD was defined as neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD. Percentages are rounded off to the nearest decimal point.

Time frame: From randomization up to 27 months for Cohort A and up to 24.4 months for Cohort B

Population: ITT Population included all randomized participants in Cohorts A and B regardless of whether the participants received the assigned treatment. Overall number analyzed is the number of participants with measurable disease at baseline.

ArmMeasureValue (NUMBER)
Cohort A: Placebo + PaclitaxelCohort A and B: Clinical Benefit Rate (CBR)45.3 percentage of participants
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Clinical Benefit Rate (CBR)46.7 percentage of participants
Cohort B: Placebo + PaclitaxelCohort A and B: Clinical Benefit Rate (CBR)65.3 percentage of participants
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Clinical Benefit Rate (CBR)68.8 percentage of participants
Secondary

Cohort A and B: Duration of Response (DOR)

DOR was defined as the time from the first occurrence of a documented OR (CR or PR) to PD, as determined locally by the investigator through the use of RECIST v1.1, or death from any cause, whichever occurred first assessed up to 27 months for Cohort A and up to 24.4 months for Cohort B, for this outcome measure. CR was defined as the disappearance of all target lesions or any pathological lymph nodes (whether target or non-target) having a reduction in short axis to \<10 mm. PR was defined as at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum of diameters. PD was defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study, including baseline, in addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. The appearance of one or more new lesions was also considered progression.

Time frame: From randomization up to 27 months for Cohort A and up to 24.4 months for Cohort B

Population: ITT Population included all randomized participants in Cohorts A and B regardless of whether the participants received the assigned treatment. Overall number analyzed is the number of participants with objective response i.e., responders.

ArmMeasureValue (MEDIAN)
Cohort A: Placebo + PaclitaxelCohort A and B: Duration of Response (DOR)16.6 months
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Duration of Response (DOR)9.4 months
Cohort B: Placebo + PaclitaxelCohort A and B: Duration of Response (DOR)9.2 months
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Duration of Response (DOR)9.2 months
Secondary

Cohort A and B: Objective Response Rate (ORR)

ORR was defined as percentage of participants with partial response (PR) or complete response (CR) on 2 consecutive occasions ≥4 weeks apart as determined by the investigator using RECIST v.1.1, assessed up to 27 months for Cohort A and up to 24.4 months for Cohort B, for this outcome measure. CR was defined as the disappearance of all target lesions or any pathological lymph nodes (whether target or non-target) having a reduction in short axis to \<10 mm. PR was defined as at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum of diameters. Percentages are rounded off to the nearest decimal point.

Time frame: From randomization up to 27 months for Cohort A and up to 24.4 months for Cohort B

Population: ITT Population included all randomized participants in Cohorts A and B regardless of whether the participants received the assigned treatment. Overall number analyzed is the number of participants with measurable disease at baseline.

ArmMeasureValue (NUMBER)
Cohort A: Placebo + PaclitaxelCohort A and B: Objective Response Rate (ORR)34.9 percentage of participants
Cohort A: Ipatasertib + PaclitaxelCohort A and B: Objective Response Rate (ORR)38.9 percentage of participants
Cohort B: Placebo + PaclitaxelCohort A and B: Objective Response Rate (ORR)46.7 percentage of participants
Cohort B: Ipatasertib + PaclitaxelCohort A and B: Objective Response Rate (ORR)46.5 percentage of participants
Secondary

Cohort B: Time to Deterioration (TTD) in Pain

Time to deterioration in GHS/HRQoL was defined as the time from randomization to first observed ≥ 11-point increase from Baseline in pain scale score (Question 9 and 19) in EORTC QLQ-C30 linearly transformed GHS/HRQoL scale score, assessed up 24.4 months for this outcome measure. TTD was planned to be assessed only in cohort with HR+/HER2 - breast cancer participants (Cohort B). Questions 9 and 19 that assessed pain, used 4-point scale (1=not at all, 2=a little, 3=quite a bit, 4=very much). The scores were linearly transformed on a scale of 0 to 100, with higher scores indicating increased severity in symptoms.

Time frame: Baseline up to 24.4 months

Population: ITT Population for Cohort B included as all randomized participants regardless of whether the participants received the assigned treatment.

ArmMeasureValue (MEDIAN)
Cohort A: Placebo + PaclitaxelCohort B: Time to Deterioration (TTD) in PainNA months
Cohort A: Ipatasertib + PaclitaxelCohort B: Time to Deterioration (TTD) in PainNA months
p-value: 0.216295% CI: [0.83, 2.22]Log Rank
Secondary

Cohort C: 1-year Event-free OS Rate

OS was defined as the time from enrollment to death from any cause. Event-free OS rate was defined as percentage of participants who did not experience any event and survived at 1 year after enrollment. As prespecified in the protocol, this outcome measure was applicable only to Cohort C. Percentages were rounded off to the nearest decimal.

Time frame: From enrollment up to death from any cause, up to 1 year

Population: ITT Population for Cohort C included all enrolled participants in Cohort C.

ArmMeasureValue (NUMBER)
Cohort A: Placebo + PaclitaxelCohort C: 1-year Event-free OS Rate79.38 percentage of participants
Secondary

Cohort C: 1-year Event-free PFS Rate

PFS was defined as the time from enrollment to the first occurrence of disease progression, as determined locally by the investigator through the use of RECIST v.1.1, or death from any cause, whichever occurred first. Event-free PFS rate was defined as percentage of participants who did not experience any event and survived at 1 year after enrollment. PD was defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study, including baseline, in addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. The appearance of one or more new lesions was also considered progression. Percentages are rounded off to the nearest decimal point. As prespecified in the protocol, this outcome measure was applicable only to Cohort C.

Time frame: From enrollment until the occurrence of disease progression or death from any cause, whichever occurred earlier, up to 1 year

Population: ITT Population for Cohort C included all enrolled participants in Cohort C.

ArmMeasureValue (NUMBER)
Cohort A: Placebo + PaclitaxelCohort C: 1-year Event-free PFS Rate31.17 percentage of participants
Secondary

Cohort C: CBR

CBR was defined as percentage of participants with an objective response (CR or PR), or SD for at least 24 weeks, as determined by the investigator through the use of RECIST v.1.1 assessed up to 31 months for this outcome measure. CR was defined as the disappearance of all target lesions or any pathological lymph nodes (whether target or non-target) having a reduction in short axis to \<10 mm. PR was defined as at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum of diameters. SD was defined as neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD. Percentages are rounded off to the nearest decimal point.

Time frame: From enrollment up to 31 months

Population: ITT population consisted of all enrolled participants in Cohort C.

ArmMeasureValue (NUMBER)
Cohort A: Placebo + PaclitaxelCohort C: CBR54.9 percentage of participants
Secondary

Cohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30

EORTC QLQ-C30 is a cancer-specific instrument with 30 questions covering symptoms, functioning, and health-related quality of life (HRQoL). The participant's assessment of overall HRQoL is assessed by using the last 2 questions (29 and 30) of the instrument, with each of these items based on a 7-point scale (1=very poor to 7=excellent), which are then combined into the GHS/QoL multi-item scale. The scores obtained for each question were averaged into a raw score for the scale, and this raw score for the scale was then subsequently linearly transformed to a scale score of 0 to 100, with a high score indicating better GHS/QoL. Negative change from Baseline values in the GHS/QoL change from baseline analysis indicated deterioration in HRQoL and positive values indicated improvement.

Time frame: Baseline, Day 1 of Cycles 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, and 44 (cycle length=28 days)

Population: PRO-evaluable Population for Cohort C included all enrolled participants who had a baseline and at least 1 postbaseline PRO assessment.Overall number analyzed is the number of participants with data available for analyses. Number analyzed is the number of participants with data available for analysis at the specified time point.

ArmMeasureGroupValue (MEAN)Dispersion
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 2-0.42 score on scaleStandard Deviation 18.02
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 30.18 score on scaleStandard Deviation 18.32
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 4-4.37 score on scaleStandard Deviation 22.83
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 5-6.41 score on scaleStandard Deviation 20.19
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 6-7.10 score on scaleStandard Deviation 21.24
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 7-5.09 score on scaleStandard Deviation 18.2
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 8-4.83 score on scaleStandard Deviation 21.24
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 9-7.66 score on scaleStandard Deviation 23.68
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 10-7.07 score on scaleStandard Deviation 18.76
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 11-6.00 score on scaleStandard Deviation 19.02
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 12-2.90 score on scaleStandard Deviation 18.57
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 13-1.45 score on scaleStandard Deviation 19.08
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 14-7.89 score on scaleStandard Deviation 21.24
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 15-5.09 score on scaleStandard Deviation 26.37
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 16-11.98 score on scaleStandard Deviation 27.55
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 17-10.90 score on scaleStandard Deviation 32.16
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 18-3.85 score on scaleStandard Deviation 20.3
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 19-3.21 score on scaleStandard Deviation 25.35
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 20-3.21 score on scaleStandard Deviation 24.89
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 21-2.56 score on scaleStandard Deviation 24.86
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 22-12.18 score on scaleStandard Deviation 32.92
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 233.03 score on scaleStandard Deviation 24.23
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 243.79 score on scaleStandard Deviation 24.54
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 25-4.63 score on scaleStandard Deviation 21.29
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 26-0.83 score on scaleStandard Deviation 19.82
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 272.08 score on scaleStandard Deviation 26.63
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 281.39 score on scaleStandard Deviation 23.81
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 29-1.19 score on scaleStandard Deviation 28.64
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 303.33 score on scaleStandard Deviation 24.01
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 3122.22 score on scaleStandard Deviation 12.73
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 3210.42 score on scaleStandard Deviation 23.94
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 3316.67 score on scaleStandard Deviation 22.05
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 3416.67 score on scaleStandard Deviation 30.05
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 3513.89 score on scaleStandard Deviation 17.35
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 3620.83 score on scaleStandard Deviation 29.46
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 3716.67 score on scaleStandard Deviation 23.57
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 3816.67 score on scaleStandard Deviation 23.57
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 3925.00 score on scaleStandard Deviation 35.36
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 4033.33 score on scale
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 4150.00 score on scale
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 4241.67 score on scale
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 4341.67 score on scale
Cohort A: Placebo + PaclitaxelCohort C: Change From Baseline in GHS/HRQoL Score Measured by GHS/HRQoL Scale (Questions 29 and 30) of the EORTC QLQ-C30Day 1 Cycle 4450.00 score on scale
Secondary

Cohort C: DOR

DOR was defined as the time from the first occurrence of a documented OR (CR or PR) to PD, as determined locally by the investigator through the use of RECIST v1.1, or death from any cause, whichever occurred first, assessed up to 31 months for this outcome measure. CR was defined as the disappearance of all target lesions or any pathological lymph nodes (whether target or non-target) having a reduction in short axis to \<10 mm. PR was defined as at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum of diameters. PD was defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study, including baseline, in addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. The appearance of one or more new lesions was also considered progression.

Time frame: From enrollment up to 31 months

Population: ITT population consisted of all enrolled participants in Cohort C. Overall number analyzed is the number of participants with objective response i.e., responders.

ArmMeasureValue (MEDIAN)
Cohort A: Placebo + PaclitaxelCohort C: DOR8.7 months
Secondary

Cohort C: Number of Participants With Anti-Drug Antibodies (ADAs) to Atezolizumab

The numbers of ADA-positive participants after drug administration were summarized for participants exposed to atezolizumab. As prespecified in the protocol, this outcome measure was applicable only to Cohort C.

Time frame: Up to 45.5 months

Population: For Cohort C, Safety Evaluable Population included all participants who received any amount of study treatment in cohort C. Overall number analyzed is the number of participants with an ADA assay result from at least one post-baseline sample.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Cohort A: Placebo + PaclitaxelCohort C: Number of Participants With Anti-Drug Antibodies (ADAs) to Atezolizumab18 Participants
Secondary

Cohort C: ORR

ORR was defined as percentage of participants with PR or CR on 2 consecutive occasions ≥4 weeks apart as determined by the investigator using RECIST v.1.1, assessed up to 31 months for this outcome measure. CR was defined as the disappearance of all target lesions or any pathological lymph nodes (whether target or non-target) having a reduction in short axis to \<10 mm. PR was defined as at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum of diameters. Percentages are rounded off to the nearest decimal point.

Time frame: From enrollment up to 31 months

Population: ITT population consisted of all enrolled participants in Cohort C.

ArmMeasureValue (NUMBER)
Cohort A: Placebo + PaclitaxelCohort C: ORR52.9 percentage of participants
Secondary

Cohort C: Plasma Concentration of G-037720

G-037720 was a metabolite of ipatasertib.

Time frame: Days 1 and 15 of Cycle 1: 1 to 3 hours post dose, and on Day 15 of Cycle 3: 2 to 4 hours post dose (cycle length= 28 days )

Population: PK Evaluable Population included all participants who had at least one evaluable plasma sample. Overall number analyzed is the number of participants with data available for analyses. Number analyzed is the number of participants with data available for analysis at the specified time point.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Cohort A: Placebo + PaclitaxelCohort C: Plasma Concentration of G-037720Cycle 1 Day 167.3 ng/mLGeometric Coefficient of Variation 222.3
Cohort A: Placebo + PaclitaxelCohort C: Plasma Concentration of G-037720Cycle 1 Day 1596.8 ng/mLGeometric Coefficient of Variation 140.7
Cohort A: Placebo + PaclitaxelCohort C: Plasma Concentration of G-037720Cycle 3 Day 1596.5 ng/mLGeometric Coefficient of Variation 167.9
Secondary

Cohort C: Plasma Concentration of Ipatasertib

Time frame: Days 1 and 15 of Cycle 1: 1 to 3 hours post dose, and on Day 15 of Cycle 3: 2 to 4 hours post dose (cycle length= 28 days)

Population: PK Evaluable Population included all participants who had at least one evaluable plasma sample. Overall number analyzed is the number of participants with data available for analyses. Number analyzed is the number of participants with data available for analysis at the specified time point.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Cohort A: Placebo + PaclitaxelCohort C: Plasma Concentration of IpatasertibCycle 1 Day 1175 ng/mLGeometric Coefficient of Variation 183
Cohort A: Placebo + PaclitaxelCohort C: Plasma Concentration of IpatasertibCycle 1 Day 15233 ng/mLGeometric Coefficient of Variation 161.6
Cohort A: Placebo + PaclitaxelCohort C: Plasma Concentration of IpatasertibCycle 3 Day 15207 ng/mLGeometric Coefficient of Variation 197.6
Secondary

Cohort C: Serum Concentration of Atezolizumab

As prespecified in the protocol, this outcome measure was applicable only to Cohort C.

Time frame: Day 1 of Cycle 1: 30 minutes post dose, predose on Day 15 of Cycle 1 and predose on Day 1 of Cycles 2, 3, 4, 8, 12 and 16 (cycle length=28 days)

Population: For Cohort C, PK Evaluable Population included all participants who had at least one evaluable plasma sample in Cohort C. Overall number analyzed is the number of participants with data available for analysis. Number analyzed is the number of participants with data available for analysis at the specified time point.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Cohort A: Placebo + PaclitaxelCohort C: Serum Concentration of AtezolizumabDay 1 Cycle 1309 micrograms per milliliter (µg/mL)Geometric Coefficient of Variation 31.7
Cohort A: Placebo + PaclitaxelCohort C: Serum Concentration of AtezolizumabDay 15 Cycle 191.5 micrograms per milliliter (µg/mL)Geometric Coefficient of Variation 23.9
Cohort A: Placebo + PaclitaxelCohort C: Serum Concentration of AtezolizumabDay 1 Cycle 2130 micrograms per milliliter (µg/mL)Geometric Coefficient of Variation 54.1
Cohort A: Placebo + PaclitaxelCohort C: Serum Concentration of AtezolizumabDay 1 Cycle 3200 micrograms per milliliter (µg/mL)Geometric Coefficient of Variation 41.1
Cohort A: Placebo + PaclitaxelCohort C: Serum Concentration of AtezolizumabDay 1 Cycle 4231 micrograms per milliliter (µg/mL)Geometric Coefficient of Variation 52.3
Cohort A: Placebo + PaclitaxelCohort C: Serum Concentration of AtezolizumabDay 1 Cycle 8327 micrograms per milliliter (µg/mL)Geometric Coefficient of Variation 27.6
Cohort A: Placebo + PaclitaxelCohort C: Serum Concentration of AtezolizumabDay 1 Cycle 12371 micrograms per milliliter (µg/mL)Geometric Coefficient of Variation 30.5
Cohort A: Placebo + PaclitaxelCohort C: Serum Concentration of AtezolizumabDay 1 Cycle 16402 micrograms per milliliter (µg/mL)Geometric Coefficient of Variation 42.4
Secondary

Cohorts A and B: Plasma Concentration of G-037720

G-037720 was a metabolite of ipatasertib.

Time frame: Days 1 and 15 of Cycle 1: 1 to 3 hours post dose, and on Day 15 of Cycle 3: 2 to 4 hours post dose (cycle length= 28 days )

Population: PK Evaluable Population included all participants who had at least one evaluable plasma sample. Overall number analyzed is the number of participants with data available for analyses. Number analyzed is the number of participants with data available for analysis at the specified time point.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Cohort A: Placebo + PaclitaxelCohorts A and B: Plasma Concentration of G-037720Cycle 1 Day 145.6 ng/mLGeometric Coefficient of Variation 777
Cohort A: Placebo + PaclitaxelCohorts A and B: Plasma Concentration of G-037720Cycle 1 Day 1583.9 ng/mLGeometric Coefficient of Variation 183
Cohort A: Placebo + PaclitaxelCohorts A and B: Plasma Concentration of G-037720Cycle 3 Day 1590.8 ng/mLGeometric Coefficient of Variation 180
Cohort A: Ipatasertib + PaclitaxelCohorts A and B: Plasma Concentration of G-037720Cycle 1 Day 168.2 ng/mLGeometric Coefficient of Variation 405
Cohort A: Ipatasertib + PaclitaxelCohorts A and B: Plasma Concentration of G-037720Cycle 1 Day 1595.1 ng/mLGeometric Coefficient of Variation 211
Cohort A: Ipatasertib + PaclitaxelCohorts A and B: Plasma Concentration of G-037720Cycle 3 Day 15109 ng/mLGeometric Coefficient of Variation 169
Secondary

Cohorts A and B:Plasma Concentration of Ipatasertib

Time frame: Days 1 and 15 of Cycle 1: 1 to 3 hours post dose, and on Day 15 of Cycle 3: 2 to 4 hours post dose (cycle length= 28 days)

Population: PK Evaluable Population included all participants who had at least one evaluable plasma sample. Overall number analyzed is the number of participants with data available for analyses. Number analyzed is the number of participants with data available for analysis at the specified time point.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Cohort A: Placebo + PaclitaxelCohorts A and B:Plasma Concentration of IpatasertibCycle 1 Day 1176 nanograms per milliliter (ng/mL)Geometric Coefficient of Variation 232
Cohort A: Placebo + PaclitaxelCohorts A and B:Plasma Concentration of IpatasertibCycle 1 Day 15191 nanograms per milliliter (ng/mL)Geometric Coefficient of Variation 184
Cohort A: Placebo + PaclitaxelCohorts A and B:Plasma Concentration of IpatasertibCycle 3 Day 15165 nanograms per milliliter (ng/mL)Geometric Coefficient of Variation 169
Cohort A: Ipatasertib + PaclitaxelCohorts A and B:Plasma Concentration of IpatasertibCycle 1 Day 1165 nanograms per milliliter (ng/mL)Geometric Coefficient of Variation 326
Cohort A: Ipatasertib + PaclitaxelCohorts A and B:Plasma Concentration of IpatasertibCycle 1 Day 15211 nanograms per milliliter (ng/mL)Geometric Coefficient of Variation 216
Cohort A: Ipatasertib + PaclitaxelCohorts A and B:Plasma Concentration of IpatasertibCycle 3 Day 15234 nanograms per milliliter (ng/mL)Geometric Coefficient of Variation 149
Secondary

Number of Participants With Adverse Events (AEs)

An AE is any untoward medical occurrence in a participant administered a pharmaceutical product, regardless of causal attribution. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding, for example), symptom, or disease temporally associated with the use of a pharmaceutical product, whether or not considered related to the pharmaceutical product. Preexisting conditions which worsen during a study are also considered as adverse events. AEs were reported based on the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE), Version 4.0.

Time frame: Up to 58.9 months for Cohort A, up to 59.9 months for Cohort B and up to 45.5 months for Cohort C

Population: Safety Evaluable Population included all participants who received any amount of study treatment.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Cohort A: Placebo + PaclitaxelNumber of Participants With Adverse Events (AEs)84 Participants
Cohort A: Ipatasertib + PaclitaxelNumber of Participants With Adverse Events (AEs)162 Participants
Cohort B: Placebo + PaclitaxelNumber of Participants With Adverse Events (AEs)74 Participants
Cohort B: Ipatasertib + PaclitaxelNumber of Participants With Adverse Events (AEs)144 Participants
Cohort C: Ipatasertib + Atezolizumab + PaclitaxelNumber of Participants With Adverse Events (AEs)102 Participants
Secondary

Number of Participants With at Least One Adverse Events of Special Interest (AESI)

An AE is any untoward medical occurrence in a participant administered a pharmaceutical product, regardless of causal attribution. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding, for example), symptom, or disease temporally associated with the use of a pharmaceutical product, whether or not considered related to the pharmaceutical product. Preexisting conditions which worsen during a study are also considered as adverse events. AEs were reported based on the NCI CTCAE, Version 4.0. AESI include cases of potential drug-induced liver injury that include an elevated alanine aminotransferase (ALT) or aspartate aminotransferase (AST) in combination with either an elevated bilirubin or clinical jaundice, as defined by Hy's Law. Suspected transmission of an infectious agent by the study drug, Grade \>= 3 fasting hyperglycemia, hepatotoxicity, diarrhea, rash, ALT/AST elevations. Grade \>= 2 colitis/enterocolitis.

Time frame: Up to 58.9 months for Cohort A, up to 59.9 months for Cohort B and up to 45.5 months for Cohort C

Population: Safety Evaluable Population included all participants who received any amount of study treatment.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Cohort A: Placebo + PaclitaxelNumber of Participants With at Least One Adverse Events of Special Interest (AESI)79 Participants
Cohort A: Ipatasertib + PaclitaxelNumber of Participants With at Least One Adverse Events of Special Interest (AESI)157 Participants
Cohort B: Placebo + PaclitaxelNumber of Participants With at Least One Adverse Events of Special Interest (AESI)73 Participants
Cohort B: Ipatasertib + PaclitaxelNumber of Participants With at Least One Adverse Events of Special Interest (AESI)141 Participants
Cohort C: Ipatasertib + Atezolizumab + PaclitaxelNumber of Participants With at Least One Adverse Events of Special Interest (AESI)101 Participants
Secondary

Overall Survival (OS)

OS was defined as the time from randomization to death from any cause.

Time frame: From randomization/ enrollment (Cohort C) up to death from any cause, up to 45 months for Cohort A, up to 46 months for Cohort B and up to 31 months for Cohort C

Population: ITT Population included all randomized participants in Cohorts A and B regardless of whether the participants received the assigned treatment. For Cohort C, the ITT population consisted of all enrolled participants in Cohort C.

ArmMeasureValue (MEDIAN)
Cohort A: Placebo + PaclitaxelOverall Survival (OS)24.9 months
Cohort A: Ipatasertib + PaclitaxelOverall Survival (OS)24.2 months
Cohort B: Placebo + PaclitaxelOverall Survival (OS)28.4 months
Cohort B: Ipatasertib + PaclitaxelOverall Survival (OS)29.0 months
Cohort C: Ipatasertib + Atezolizumab + PaclitaxelOverall Survival (OS)22.8 months
95% CI: [0.73, 1.58]
95% CI: [0.65, 1.37]

Source: ClinicalTrials.gov · Data processed: Feb 25, 2026