Skip to content

A Phase 1 Study of Alisertib Participants With Advanced Solid Tumors Including Castration-Resistant Prostate Cancer Receiving a Standard Docetaxel Regimen

A Phase 1 Study of MLN8237, an Aurora A Kinase Inhibitor, in Patients With Advanced Solid Tumors Including Castration-Resistant Prostate Cancer Receiving a Standard Docetaxel Regimen

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01094288
Enrollment
41
Registered
2010-03-26
Start date
2010-08-17
Completion date
2017-01-04
Last updated
2019-02-15

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

Conditions

Adenocarcinoma of the Prostate, Advanced Solid Tumors

Brief summary

The purpose of this study is to evaluate the safety and tolerability of alisertib in combination with docetaxel as a treatment for participants with advanced solid tumors, including castration-resistant prostate cancer, who were deemed by the investigator to be medically appropriate candidates for docetaxel therapy.

Detailed description

The drug being tested in this study is called alisertib (MLN8237). Alisertib is being tested to treat people who have advanced solid tumors including castration-resistant prostate cancer. The study enrolled approximately 41 patients. Participants were enrolled to receive: • Alisertib 10-40 mg + docetaxel 60-75 mg/m\^2 All participants will receive alisertib (ECT) in dose escalating cohorts, orally, twice daily for 7 days followed by 14-day rest period in Cycle 1, 3 and onwards (21-day cycle) and orally twice daily from Day 3 to Day 7 followed by 14 day rest period in Cycle 2 \[dose held for pharmacokinetic (PK) collection\] along with docetaxel 75 mg/m\^2, intravenous (IV) infusion on Day 1 of each cycle for maximum of 12 months, or until the occurrence of progressive disease (PD), unmanageable AEs or withdrawal of consent. This multi-center trial is conducted in United States. The overall time to participate in this study was until there is evidence of disease progression or unacceptable treatment-related toxicity. Participants made multiple visits to the clinic, and were contacted every 12 weeks for up to 25.8 months after last dose of study drug for a follow-up assessment.

Interventions

DRUGAlisertib

Alisertib ECT

DRUGDocetaxel

Docetaxel IV infusion

Sponsors

Millennium Pharmaceuticals, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

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

Inclusion criteria

Each participant must meet all of the following inclusion criteria to be enrolled in the study: * 18 years or older * Histologically or cytologically confirmed advanced tumors and candidates for docetaxel treatment * Measurable or evaluable disease is required. Participants must have clinical evidence of progressive disease or persistent disease * Participants with castration-resistant prostate cancer (CRPC) are required to have * Pathologically confirmed adenocarcinoma of the prostate * Evidence of metastatic disease on bone scan or other imaging. Participants with prostate-specific antigen (PSA) elevation as the only manifestation of disease are not eligible. * Progressive disease after at least 1 hormonal treatment with documented testosterone levels less than 50 ng/dl * Concurrent use of an agent for testosterone suppression (e.g., luteinizing hormone-releasing hormone \[LHRH\] agonist) is required if the participants has not been surgically castrated * Eastern Cooperative Oncology Group (ECOG) performance status 0-2 * Recovered to less than or equal to Grade 1 toxicity (CTCAE), to participant's baseline status (except alopecia) or deemed irreversible from the effects of prior cancer therapy and must have evidence of progressive or persistent disease * Adequate bone marrow, liver and renal function * Any use of opiates must be stable for at least 2 weeks prior to study entry * Female participants who are postmenopausal for at least 1 year OR are surgically sterile OR if of childbearing potential, agree to practice 2 effective methods of contraception at the same time * Male participants who agree to practice effective barrier contraception during the entire study and through 6 months after the last dose of study drug OR agree to abstain from heterosexual intercourse * Voluntary written consent * Willing to comply with scheduled visits, treatment plan, laboratory tests and other trial procedures * Suitable venous access for blood sampling

Exclusion criteria

Participants meeting any of the following

Design outcomes

Primary

MeasureTime frameDescription
Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)From enrollment through 30 days after the last dose of study drug (approximately up to 77 months)An AE is considered any unfavorable and unintended sign, symptom, or disease associated with the use of the study drug, whether or not considered related to the study drug. Preexisting conditions that worsened during the study were reported as adverse events. A SAE is any experience that suggests a significant hazard, contraindication, side effect or precaution that: results in death, is life-threatening, required in-patient hospitalization or prolongation of existing hospitalization, results in persistent or significant disability/incapacity, is a congenital anomaly/birth defect or is medically significant.

Secondary

MeasureTime frameDescription
AUC(Last): Area Under the Plasma Concentration Curve From Time 0 to the Time of the Last Quantifiable Concentration for DocetaxelDay 1 pre-dose and at multiple time points (up to 48 hours) post-dose in Cycles 1 and 2
AUC∞: Area Under the Plasma Concentration Curve From Time 0 to Infinity for DocetaxelDay 1 pre-dose and at multiple time points (up to 48 hours) post-dose in Cycles 1 and 2
Terminal Phase Elimination Half-life (T1/2) for DocetaxelDay 1 pre-dose and at multiple time points (up to 48 hours) post-dose in Cycles 1 and 2
Cmax: Maximum Observed Plasma Concentration for AlisertibPrior to dosing on Day 1 and Day 5 or 7 and at multiple time points (up to 12 hours) post-dose in Cycle 1
Tmax: Time to Reach the Maximum Plasma Concentration (Cmax) for AlisertibPrior to dosing on Day 1 and Day 5 or 7 and at multiple time points (up to 12 hours) post-dose in Cycle 1
AUCτ: Area Under the Plasma Concentration-time Curve From Time 0 to Day 7 Over the Dosing Interval for AlisertibPrior to dosing on Day 1 and Day 5 or 7 and at multiple time points (up to 12 hours) post-dose in Cycle 1
Cmax: Maximum Observed Plasma Concentration for DocetaxelDay 1 pre-dose and at multiple time points (up to 48 hours) post-dose in Cycles 1 and 2
Overall Response Rate for Prostate Cancer ParticipantsBaseline up to Cycle 36 (21-day cycles) until disease progression, death or EOT (approximately up to 24.8 months)ORR is defined as percentage of participants who achieved CR or PR as assessed by either RECIST v 1.1 or PSA response by prostate cancer working group 2 (PCWG2) criteria. According to RECIST v 1.1, CR: disappearance of all target and non-target lesions and (if applicable) normalization of tumor marker levels. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to \<10 mm. PR: ≥30% decrease in sum of LD of target lesions in reference to Baseline sum LD. PSA response by PCWG2 is defined as PSA at least 50% decrease in PSA value from baseline for 2 consecutive evaluations. PCWG2 defines PSA progression as the date that a 25% or greater increase and an absolute increase of 2 ng/mL or more from the nadir is documented, which is confirmed by a second value obtained 3 or more weeks later.
Best Overall Response Rate Assessed by RECIST CriteriaBaseline up to Cycle 36 (21-day cycles) until disease progression, death or EOT (approximately up to 24.8 months)Best response rate is defined as the percentage of participants with CR, PR, CR+PR, stable disease (SD) and progressive disease (PD) as assessed by RECIST criteria 1.1 for target lesions and assessed by CT, PET or MRI. CR: disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to \<10 mm. PR: At least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters. SD: neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest sum diameters while on study. PD: at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study (this includes the baseline sum if that is the smallest on study).
Best Overall Response Rate Assessed by PSA Response by Prostate Cancer Working Group 2 (PCWG2) CriteriaBaseline up to Cycle 36 (21-day cycles) until disease progression, death or EOT (approximately up to 24.8 months)Best Response Assessed by PSA Response by Prostate Cancer Working Group 2 (PCWG2) Criteria PSA response is defined as at least 50% decrease in PSA value from baseline for 2 consecutive evaluations.
Duration of ResponseBaseline up to Cycle 36 (21-day cycles) until disease progression, death or EOT (approximately up to 24.8 months)Duration of response is defined as the time from the date of first documentation of a response to the date of first documented progressive disease (PD), or censored at last SD or better.
Duration of Stable Disease (SD)Baseline up to Cycle 36 (21-day cycles) until disease progression, death or EOT (approximately up to 24.8 months)Duration of SD is defined as the time from first dose to first PD, or censored at last SD or better.
Overall Response Rate (ORR) Assessed for Overall Participant PopulationBaseline up to Cycle 36 (21-day cycles) until disease progression, death or EOT (approximately up to 24.8 months)ORR is defined as percentage of participants who achieved complete response (CR) or partial response (PR) as assessed by response evaluation criteria in solid tumors (RECIST) v 1.1. CR was defined as disappearance of all target and non-target lesions and normalization of tumor marker levels. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to \<10 mm. PR was defined as ≥30% decrease in sum of longest diameter (LD) of target lesions in reference to Baseline. RECIST-Evaluable Population is subset of safety population who had measurable disease by RECIST v 1.1 at baseline and had at least 1 post baseline response. prostate specific antigen (PSA)-Evaluable Population is subset of the safety population who had a baseline PSA reference value (\>5 ng/mL) and at least 12 weeks post-baseline PSA assessment for participants with no decline from baseline, or PSA progression within 12 weeks of treatment for participants with PSA decline from baseline.

Countries

United States

Participant flow

Recruitment details

Participants took part in the study at 4 investigative sites in the United States from 17 August 2010 to 04 January 2017.

Pre-assignment details

Participants with a diagnosis of Advanced solid tumors, including castration-resistant prostate cancer were enrolled to receive alisertib Alisertib 10-40 mg + docetaxel 60-75 mg/m\^2 intravenous (IV) infusion and granulocyte colony stimulating factor (GCSF) in escalating dose cohorts.

Participants by arm

ArmCount
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2
Alisertib 10 mg, enteric-coated tablets (ECT), orally, twice daily for 7 days in Cycle 1, 3 and onwards; and orally twice daily from Day 3 to Day 7 in Cycle 2 followed by 14 day rest period along with docetaxel 75 mg/m\^2, intravenous infusion on Day 1 of each cycle (21-day cycle) for a maximum of 28 cycles, or until the occurrence of PD, unmanageable adverse events (AEs) or withdrawal of consent.
6
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2
Alisertib 20 mg, ECT, orally, twice daily for 7 days in Cycle 1, 3 and onwards; and orally twice daily from Day 3 to Day 7 in Cycle 2 followed by 14 day rest period along with docetaxel 75 mg/m\^2, intravenous infusion on Day 1 of each cycle (21-day cycle) for a maximum of 34 cycles, or until the occurrence of PD, unmanageable AEs or withdrawal of consent.
15
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2
Alisertib 30 mg, ECT, orally, twice daily for 7 days in Cycle 1, 3 and onwards; and orally twice daily from Day 3 to Day 7 in Cycle 2 followed by 14 day rest period along with docetaxel 75 mg/m\^2, intravenous infusion on Day 1 of each cycle (21-day cycle) for a maximum of 36 cycles, or until the occurrence of PD, unmanageable AEs or withdrawal of consent.
5
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2
Alisertib 30 mg, ECT, orally, twice daily for 5 days in Cycle 1, 3 and onwards; and orally twice daily from Day 3 to Day 7 in Cycle 2 followed by 14 day rest period along with docetaxel 75 mg/m\^2, intravenous infusion on Day 1 of each cycle (21-day cycle) for a maximum of 17 cycles, or until the occurrence of PD, unmanageable AEs or withdrawal of consent.
3
Alisertib 30 mg (7D) + Docetaxel 60 mg/m^2
Alisertib 30 mg, ECT, orally, twice daily for 7 days in Cycle 1, 3 and onwards; and orally twice daily from Day 3 to Day 7 in Cycle 2 followed by 14 day rest period along with docetaxel 60 mg/m\^2, intravenous infusion on Day 1 of each cycle (21-day cycle) for a maximum of 15 cycles, or until the occurrence of PD, unmanageable AEs or withdrawal of consent.
2
Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2
Alisertib 30 mg, ECT, orally, twice daily for 5 days in Cycle 1, 3 and onwards; and orally twice daily from Day 3 to Day 7 in Cycle 2 followed by 14 day rest period along with docetaxel 60 mg/m\^2, intravenous infusion on Day 1 of each cycle (21-day cycle) for a maximum of 5 cycles, or until the occurrence of PD, unmanageable AEs or withdrawal of consent.
4
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2 + GCSF
Alisertib 30 mg, ECT, orally, twice daily for 5 days in Cycle 1, 3 and onwards; and orally twice daily from Day 3 to Day 7 in Cycle 2 followed by 14 day rest period along with docetaxel 75 mg/m\^2, intravenous infusion on Day 1 of each cycle (21-day cycle) and granulocyte colony stimulating factor (GCSF) as per standard of care for a maximum of 2 cycles, or until the occurrence of PD, unmanageable AEs or withdrawal of consent.
2
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSF
Alisertib 40 mg, ECT, orally, twice daily for 5 days in Cycle 1, 3 and onwards; and orally twice daily from Day 3 to Day 7 in Cycle 2 followed by 14 day rest period along with docetaxel 75 mg/m\^2, intravenous infusion on Day 1 of each cycle (21-day cycle) and granulocyte colony stimulating factor (GCSF) as per standard of care for a maximum of 5 cycles, or until the occurrence of PD, unmanageable AEs or withdrawal of consent.
4
Total41

Withdrawals & dropouts

PeriodReasonFG000FG001FG002FG003FG004FG005FG006FG007
Overall StudyAdverse Event03110000
Overall StudyInitiation of Alternative Therapy00100000
Overall StudyOngoing Participants03000000
Overall StudyReason not Specified23010000
Overall StudyWithdrawal by Subject01200002

Baseline characteristics

CharacteristicAlisertib 10 mg (7D) + Docetaxel 75 mg/m^2Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Alisertib 30 mg (7D) + Docetaxel 60 mg/m^2Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2 + GCSFAlisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFTotal
Age, Continuous63.7 years
STANDARD_DEVIATION 5.2
61.5 years
STANDARD_DEVIATION 13.1
60.2 years
STANDARD_DEVIATION 16.75
61.3 years
STANDARD_DEVIATION 8.62
56.5 years
STANDARD_DEVIATION 2.12
54.8 years
STANDARD_DEVIATION 18.73
52.5 years
STANDARD_DEVIATION 26.16
62.3 years
STANDARD_DEVIATION 25.71
60.4 years
STANDARD_DEVIATION 14.07
Body Surface Area (BSA)2.269 m^2
STANDARD_DEVIATION 0.2329
1.973 m^2
STANDARD_DEVIATION 0.2533
2.138 m^2
STANDARD_DEVIATION 0.3541
2.025 m^2
STANDARD_DEVIATION 0.4316
1.929 m^2
STANDARD_DEVIATION 0.1009
2.026 m^2
STANDARD_DEVIATION 0.242
1.635 m^2
STANDARD_DEVIATION 0.2005
2.046 m^2
STANDARD_DEVIATION 0.2945
2.034 m^2
STANDARD_DEVIATION 0.2878
Height185.5 cm
STANDARD_DEVIATION 11.02
170.5 cm
STANDARD_DEVIATION 10.04
177.2 cm
STANDARD_DEVIATION 12.13
171.0 cm
STANDARD_DEVIATION 10.08
174.5 cm
STANDARD_DEVIATION 0.71
172.5 cm
STANDARD_DEVIATION 10.98
155.6 cm
STANDARD_DEVIATION 8.08
174.9 cm
STANDARD_DEVIATION 6.99
173.6 cm
STANDARD_DEVIATION 11.32
Race/Ethnicity, Customized
Black or African American
0 participants0 participants0 participants0 participants0 participants1 participants0 participants1 participants2 participants
Race/Ethnicity, Customized
Hispanic or Latino
0 participants5 participants0 participants0 participants0 participants1 participants1 participants0 participants7 participants
Race/Ethnicity, Customized
Not Hispanic or Latino
6 participants10 participants5 participants3 participants1 participants3 participants1 participants4 participants33 participants
Race/Ethnicity, Customized
Not Reported
0 participants0 participants0 participants0 participants1 participants0 participants0 participants0 participants1 participants
Race/Ethnicity, Customized
Other
0 participants0 participants0 participants1 participants0 participants0 participants0 participants0 participants1 participants
Race/Ethnicity, Customized
White
6 participants15 participants5 participants2 participants2 participants3 participants2 participants3 participants38 participants
Region of Enrollment
United States
6 participants15 participants5 participants3 participants2 participants4 participants2 participants4 participants41 participants
Sex: Female, Male
Female
0 Participants4 Participants1 Participants1 Participants1 Participants1 Participants2 Participants1 Participants11 Participants
Sex: Female, Male
Male
6 Participants11 Participants4 Participants2 Participants1 Participants3 Participants0 Participants3 Participants30 Participants
Weight100.25 kg
STANDARD_DEVIATION 15.842
82.73 kg
STANDARD_DEVIATION 16.963
94.15 kg
STANDARD_DEVIATION 25.623
87.73 kg
STANDARD_DEVIATION 31.987
76.90 kg
STANDARD_DEVIATION 8.344
85.97 kg
STANDARD_DEVIATION 15.987
62.05 kg
STANDARD_DEVIATION 11.95
87.05 kg
STANDARD_DEVIATION 21.025
86.50 kg
STANDARD_DEVIATION 19.55

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
EG004
affected / at risk
EG005
affected / at risk
EG006
affected / at risk
EG007
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —— / —— / —— / —— / —— / —
other
Total, other adverse events
6 / 614 / 155 / 53 / 32 / 24 / 42 / 24 / 4
serious
Total, serious adverse events
3 / 610 / 153 / 52 / 31 / 23 / 42 / 22 / 4

Outcome results

Primary

Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)

An AE is considered any unfavorable and unintended sign, symptom, or disease associated with the use of the study drug, whether or not considered related to the study drug. Preexisting conditions that worsened during the study were reported as adverse events. A SAE is any experience that suggests a significant hazard, contraindication, side effect or precaution that: results in death, is life-threatening, required in-patient hospitalization or prolongation of existing hospitalization, results in persistent or significant disability/incapacity, is a congenital anomaly/birth defect or is medically significant.

Time frame: From enrollment through 30 days after the last dose of study drug (approximately up to 77 months)

Population: Safety Population included all participants who received at least 1 dose of any study drug.

ArmMeasureGroupValue (NUMBER)
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)SAEs3 participants
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)AEs6 participants
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)SAEs8 participants
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)AEs15 participants
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)SAEs3 participants
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)AEs5 participants
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)AEs3 participants
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)SAEs2 participants
Alisertib 30 mg (7D) + Docetaxel 60 mg/m^2Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)SAEs1 participants
Alisertib 30 mg (7D) + Docetaxel 60 mg/m^2Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)AEs2 participants
Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)AEs4 participants
Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)SAEs3 participants
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2 + GCSFNumber of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)AEs2 participants
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2 + GCSFNumber of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)SAEs2 participants
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFNumber of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)SAEs2 participants
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFNumber of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)AEs4 participants
Secondary

AUC∞: Area Under the Plasma Concentration Curve From Time 0 to Infinity for Docetaxel

Time frame: Day 1 pre-dose and at multiple time points (up to 48 hours) post-dose in Cycles 1 and 2

Population: PK parameter population was defined as all participants who had sufficient dosing data and plasma alisertib or docetaxel concentration-time data to permit the calculation of any PK parameter. Here number analyzed is the number of participants with data available for analysis at the given time point.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2AUC∞: Area Under the Plasma Concentration Curve From Time 0 to Infinity for DocetaxelCycle 2 Day 11918.0 hr*ng/mLGeometric Coefficient of Variation 21.4
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2AUC∞: Area Under the Plasma Concentration Curve From Time 0 to Infinity for DocetaxelCycle 1 Day 12653.3 hr*ng/mLGeometric Coefficient of Variation 68.1
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2AUC∞: Area Under the Plasma Concentration Curve From Time 0 to Infinity for DocetaxelCycle 1 Day 12240.6 hr*ng/mLGeometric Coefficient of Variation 23.9
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2AUC∞: Area Under the Plasma Concentration Curve From Time 0 to Infinity for DocetaxelCycle 2 Day 12632.2 hr*ng/mLGeometric Coefficient of Variation 28
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2AUC∞: Area Under the Plasma Concentration Curve From Time 0 to Infinity for DocetaxelCycle 1 Day 12007.3 hr*ng/mLGeometric Coefficient of Variation 15.7
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2AUC∞: Area Under the Plasma Concentration Curve From Time 0 to Infinity for DocetaxelCycle 2 Day 12019.8 hr*ng/mLGeometric Coefficient of Variation 10.1
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2AUC∞: Area Under the Plasma Concentration Curve From Time 0 to Infinity for DocetaxelCycle 1 Day 13570.0 hr*ng/mL
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2AUC∞: Area Under the Plasma Concentration Curve From Time 0 to Infinity for DocetaxelCycle 2 Day 14000.0 hr*ng/mL
Alisertib 30 mg (7D) + Docetaxel 60 mg/m^2AUC∞: Area Under the Plasma Concentration Curve From Time 0 to Infinity for DocetaxelCycle 2 Day 11785.4 hr*ng/mLGeometric Coefficient of Variation 35.6
Alisertib 30 mg (7D) + Docetaxel 60 mg/m^2AUC∞: Area Under the Plasma Concentration Curve From Time 0 to Infinity for DocetaxelCycle 1 Day 12130.0 hr*ng/mL
Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2AUC∞: Area Under the Plasma Concentration Curve From Time 0 to Infinity for DocetaxelCycle 1 Day 11734.7 hr*ng/mLGeometric Coefficient of Variation 9.6
Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2AUC∞: Area Under the Plasma Concentration Curve From Time 0 to Infinity for DocetaxelCycle 2 Day 11631.0 hr*ng/mLGeometric Coefficient of Variation 9.9
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2 + GCSFAUC∞: Area Under the Plasma Concentration Curve From Time 0 to Infinity for DocetaxelCycle 1 Day 12600.0 hr*ng/mLGeometric Coefficient of Variation 0
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2 + GCSFAUC∞: Area Under the Plasma Concentration Curve From Time 0 to Infinity for DocetaxelCycle 2 Day 13099.0 hr*ng/mLGeometric Coefficient of Variation 14.3
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFAUC∞: Area Under the Plasma Concentration Curve From Time 0 to Infinity for DocetaxelCycle 2 Day 13120.0 hr*ng/mL
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFAUC∞: Area Under the Plasma Concentration Curve From Time 0 to Infinity for DocetaxelCycle 1 Day 11730.9 hr*ng/mLGeometric Coefficient of Variation 53.9
Secondary

AUC(Last): Area Under the Plasma Concentration Curve From Time 0 to the Time of the Last Quantifiable Concentration for Docetaxel

Time frame: Day 1 pre-dose and at multiple time points (up to 48 hours) post-dose in Cycles 1 and 2

Population: PK parameter population was defined as all participants who had sufficient dosing data and plasma alisertib or docetaxel concentration-time data to permit the calculation of any PK parameter. Here number analyzed is the number of participants with data available for analysis at the given time point.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2AUC(Last): Area Under the Plasma Concentration Curve From Time 0 to the Time of the Last Quantifiable Concentration for DocetaxelCycle 1 Day 12328.3 hr*ng/mLGeometric Coefficient of Variation 69.5
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2AUC(Last): Area Under the Plasma Concentration Curve From Time 0 to the Time of the Last Quantifiable Concentration for DocetaxelCycle 2 Day 11750.8 hr*ng/mLGeometric Coefficient of Variation 23.1
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2AUC(Last): Area Under the Plasma Concentration Curve From Time 0 to the Time of the Last Quantifiable Concentration for DocetaxelCycle 1 Day 11925.7 hr*ng/mLGeometric Coefficient of Variation 21.4
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2AUC(Last): Area Under the Plasma Concentration Curve From Time 0 to the Time of the Last Quantifiable Concentration for DocetaxelCycle 2 Day 12416.4 hr*ng/mLGeometric Coefficient of Variation 23.7
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2AUC(Last): Area Under the Plasma Concentration Curve From Time 0 to the Time of the Last Quantifiable Concentration for DocetaxelCycle 1 Day 11750.1 hr*ng/mLGeometric Coefficient of Variation 23.1
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2AUC(Last): Area Under the Plasma Concentration Curve From Time 0 to the Time of the Last Quantifiable Concentration for DocetaxelCycle 2 Day 125.5 hr*ng/mLGeometric Coefficient of Variation 2174.6
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2AUC(Last): Area Under the Plasma Concentration Curve From Time 0 to the Time of the Last Quantifiable Concentration for DocetaxelCycle 1 Day 12163.4 hr*ng/mLGeometric Coefficient of Variation 52.8
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2AUC(Last): Area Under the Plasma Concentration Curve From Time 0 to the Time of the Last Quantifiable Concentration for DocetaxelCycle 2 Day 17811.5 hr*ng/mLGeometric Coefficient of Variation 87.5
Alisertib 30 mg (7D) + Docetaxel 60 mg/m^2AUC(Last): Area Under the Plasma Concentration Curve From Time 0 to the Time of the Last Quantifiable Concentration for DocetaxelCycle 1 Day 11830.0 hr*ng/mL
Alisertib 30 mg (7D) + Docetaxel 60 mg/m^2AUC(Last): Area Under the Plasma Concentration Curve From Time 0 to the Time of the Last Quantifiable Concentration for DocetaxelCycle 2 Day 11622.8 hr*ng/mLGeometric Coefficient of Variation 35
Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2AUC(Last): Area Under the Plasma Concentration Curve From Time 0 to the Time of the Last Quantifiable Concentration for DocetaxelCycle 1 Day 11593.1 hr*ng/mLGeometric Coefficient of Variation 14
Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2AUC(Last): Area Under the Plasma Concentration Curve From Time 0 to the Time of the Last Quantifiable Concentration for DocetaxelCycle 2 Day 11596.0 hr*ng/mLGeometric Coefficient of Variation 19.9
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2 + GCSFAUC(Last): Area Under the Plasma Concentration Curve From Time 0 to the Time of the Last Quantifiable Concentration for DocetaxelCycle 2 Day 12895.7 hr*ng/mLGeometric Coefficient of Variation 16.3
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2 + GCSFAUC(Last): Area Under the Plasma Concentration Curve From Time 0 to the Time of the Last Quantifiable Concentration for DocetaxelCycle 1 Day 12394.6 hr*ng/mLGeometric Coefficient of Variation 2.7
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFAUC(Last): Area Under the Plasma Concentration Curve From Time 0 to the Time of the Last Quantifiable Concentration for DocetaxelCycle 1 Day 11579.8 hr*ng/mLGeometric Coefficient of Variation 45.4
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFAUC(Last): Area Under the Plasma Concentration Curve From Time 0 to the Time of the Last Quantifiable Concentration for DocetaxelCycle 2 Day 12510.0 hr*ng/mL
Secondary

AUCτ: Area Under the Plasma Concentration-time Curve From Time 0 to Day 7 Over the Dosing Interval for Alisertib

Time frame: Prior to dosing on Day 1 and Day 5 or 7 and at multiple time points (up to 12 hours) post-dose in Cycle 1

Population: PK parameter population was defined as all participants who had sufficient dosing data and plasma alisertib concentration-time data to permit the calculation of any PK parameter. Here number analyzed is the number of participants with data available for analysis at the given time point.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2AUCτ: Area Under the Plasma Concentration-time Curve From Time 0 to Day 7 Over the Dosing Interval for AlisertibCycle 1 Day 11635.0 hr*nmol/LGeometric Coefficient of Variation 28.3
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2AUCτ: Area Under the Plasma Concentration-time Curve From Time 0 to Day 7 Over the Dosing Interval for AlisertibCycle 1 Day 5/Day 73052.8 hr*nmol/LGeometric Coefficient of Variation 42
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2AUCτ: Area Under the Plasma Concentration-time Curve From Time 0 to Day 7 Over the Dosing Interval for AlisertibCycle 1 Day 5/Day 78546.0 hr*nmol/LGeometric Coefficient of Variation 49.7
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2AUCτ: Area Under the Plasma Concentration-time Curve From Time 0 to Day 7 Over the Dosing Interval for AlisertibCycle 1 Day 13303.0 hr*nmol/LGeometric Coefficient of Variation 46.1
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2AUCτ: Area Under the Plasma Concentration-time Curve From Time 0 to Day 7 Over the Dosing Interval for AlisertibCycle 1 Day 14387.5 hr*nmol/LGeometric Coefficient of Variation 30.1
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2AUCτ: Area Under the Plasma Concentration-time Curve From Time 0 to Day 7 Over the Dosing Interval for AlisertibCycle 1 Day 5/Day 713199.1 hr*nmol/LGeometric Coefficient of Variation 60.8
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2AUCτ: Area Under the Plasma Concentration-time Curve From Time 0 to Day 7 Over the Dosing Interval for AlisertibCycle 1 Day 18013.7 hr*nmol/LGeometric Coefficient of Variation 43.1
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2AUCτ: Area Under the Plasma Concentration-time Curve From Time 0 to Day 7 Over the Dosing Interval for AlisertibCycle 1 Day 5/Day 712630.0 hr*nmol/LGeometric Coefficient of Variation 27.7
Secondary

Best Overall Response Rate Assessed by PSA Response by Prostate Cancer Working Group 2 (PCWG2) Criteria

Best Response Assessed by PSA Response by Prostate Cancer Working Group 2 (PCWG2) Criteria PSA response is defined as at least 50% decrease in PSA value from baseline for 2 consecutive evaluations.

Time frame: Baseline up to Cycle 36 (21-day cycles) until disease progression, death or EOT (approximately up to 24.8 months)

Population: PSA-Evaluable Population is a subset of the safety population who had a baseline PSA reference value (\>5 ng/mL) and at least 12 weeks post-baseline PSA assessment for participants with no decline from baseline, or PSA progression within 12 weeks of treatment for participants with PSA decline from baseline.

ArmMeasureGroupValue (NUMBER)
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by PSA Response by Prostate Cancer Working Group 2 (PCWG2) Criteria≥50% Reduction from Baseline67 percentage of participants
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by PSA Response by Prostate Cancer Working Group 2 (PCWG2) Criteria<50% Reduction from Baseline33 percentage of participants
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by PSA Response by Prostate Cancer Working Group 2 (PCWG2) Criteria≥50% Reduction from Baseline80 percentage of participants
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by PSA Response by Prostate Cancer Working Group 2 (PCWG2) Criteria<50% Reduction from Baseline20 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by PSA Response by Prostate Cancer Working Group 2 (PCWG2) Criteria≥50% Reduction from Baseline100 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by PSA Response by Prostate Cancer Working Group 2 (PCWG2) Criteria<50% Reduction from Baseline0 percentage of participants
Secondary

Best Overall Response Rate Assessed by RECIST Criteria

Best response rate is defined as the percentage of participants with CR, PR, CR+PR, stable disease (SD) and progressive disease (PD) as assessed by RECIST criteria 1.1 for target lesions and assessed by CT, PET or MRI. CR: disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to \<10 mm. PR: At least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters. SD: neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest sum diameters while on study. PD: at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study (this includes the baseline sum if that is the smallest on study).

Time frame: Baseline up to Cycle 36 (21-day cycles) until disease progression, death or EOT (approximately up to 24.8 months)

Population: RECIST-Evaluable Population included a subset of the safety population who had measurable disease by RECIST v 1.1 at baseline and had at least 1 post baseline response assessment.

ArmMeasureGroupValue (NUMBER)
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaComplete Response (CR)0 percentage of participants
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaProgressive Disease (PD)0 percentage of participants
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaStable Disease (SD)50 percentage of participants
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaCR+PR50 percentage of participants
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaPartial Response (PR)50 percentage of participants
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaPartial Response (PR)11 percentage of participants
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaStable Disease (SD)67 percentage of participants
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaProgressive Disease (PD)22 percentage of participants
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaCR+PR11 percentage of participants
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaComplete Response (CR)0 percentage of participants
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaPartial Response (PR)0 percentage of participants
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaProgressive Disease (PD)0 percentage of participants
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaComplete Response (CR)100 percentage of participants
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaStable Disease (SD)0 percentage of participants
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaCR+PR100 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaCR+PR50 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaProgressive Disease (PD)50 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaComplete Response (CR)0 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaPartial Response (PR)50 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaStable Disease (SD)0 percentage of participants
Alisertib 30 mg (7D) + Docetaxel 60 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaCR+PR0 percentage of participants
Alisertib 30 mg (7D) + Docetaxel 60 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaComplete Response (CR)0 percentage of participants
Alisertib 30 mg (7D) + Docetaxel 60 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaPartial Response (PR)0 percentage of participants
Alisertib 30 mg (7D) + Docetaxel 60 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaStable Disease (SD)50 percentage of participants
Alisertib 30 mg (7D) + Docetaxel 60 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaProgressive Disease (PD)50 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaCR+PR25 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaStable Disease (SD)0 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaPartial Response (PR)25 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaComplete Response (CR)0 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2Best Overall Response Rate Assessed by RECIST CriteriaProgressive Disease (PD)75 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2 + GCSFBest Overall Response Rate Assessed by RECIST CriteriaCR+PR0 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2 + GCSFBest Overall Response Rate Assessed by RECIST CriteriaComplete Response (CR)0 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2 + GCSFBest Overall Response Rate Assessed by RECIST CriteriaPartial Response (PR)0 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2 + GCSFBest Overall Response Rate Assessed by RECIST CriteriaProgressive Disease (PD)100 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2 + GCSFBest Overall Response Rate Assessed by RECIST CriteriaStable Disease (SD)0 percentage of participants
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFBest Overall Response Rate Assessed by RECIST CriteriaProgressive Disease (PD)0 percentage of participants
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFBest Overall Response Rate Assessed by RECIST CriteriaStable Disease (SD)50 percentage of participants
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFBest Overall Response Rate Assessed by RECIST CriteriaComplete Response (CR)0 percentage of participants
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFBest Overall Response Rate Assessed by RECIST CriteriaCR+PR50 percentage of participants
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFBest Overall Response Rate Assessed by RECIST CriteriaPartial Response (PR)50 percentage of participants
Secondary

Cmax: Maximum Observed Plasma Concentration for Alisertib

Time frame: Prior to dosing on Day 1 and Day 5 or 7 and at multiple time points (up to 12 hours) post-dose in Cycle 1

Population: PK parameter population was defined as all participants who had sufficient dosing data and plasma alisertib concentration-time data to permit the calculation of any PK parameter. Here number analyzed is the number of participants with data available for analysis at the given time point.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Cmax: Maximum Observed Plasma Concentration for AlisertibCycle 1 Day 1290.4 nmol/LGeometric Coefficient of Variation 22.1
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Cmax: Maximum Observed Plasma Concentration for AlisertibCycle 1 Day 5/Day 7435.8 nmol/LGeometric Coefficient of Variation 31
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Cmax: Maximum Observed Plasma Concentration for AlisertibCycle 1 Day 5/Day 71140.6 nmol/LGeometric Coefficient of Variation 44.7
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Cmax: Maximum Observed Plasma Concentration for AlisertibCycle 1 Day 1557.5 nmol/LGeometric Coefficient of Variation 57.3
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2Cmax: Maximum Observed Plasma Concentration for AlisertibCycle 1 Day 1751.6 nmol/LGeometric Coefficient of Variation 31.3
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2Cmax: Maximum Observed Plasma Concentration for AlisertibCycle 1 Day 5/Day 71637.9 nmol/LGeometric Coefficient of Variation 52.1
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Cmax: Maximum Observed Plasma Concentration for AlisertibCycle 1 Day 11346.4 nmol/LGeometric Coefficient of Variation 49.8
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Cmax: Maximum Observed Plasma Concentration for AlisertibCycle 1 Day 5/Day 71766.3 nmol/LGeometric Coefficient of Variation 40.1
Secondary

Cmax: Maximum Observed Plasma Concentration for Docetaxel

Time frame: Day 1 pre-dose and at multiple time points (up to 48 hours) post-dose in Cycles 1 and 2

Population: Pharmacokinetic (PK) parameter population was defined as all participants who had sufficient dosing data and plasma alisertib or docetaxel concentration-time data to permit the calculation of any PK parameter. Here number analyzed is the number of participants with data available for analysis at the given time point.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Cmax: Maximum Observed Plasma Concentration for DocetaxelCycle 1 Day 12392.7 ng/mLGeometric Coefficient of Variation 60.2
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Cmax: Maximum Observed Plasma Concentration for DocetaxelCycle 2 Day 11825.1 ng/mLGeometric Coefficient of Variation 25.9
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Cmax: Maximum Observed Plasma Concentration for DocetaxelCycle 1 Day 11730.4 ng/mLGeometric Coefficient of Variation 26.5
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Cmax: Maximum Observed Plasma Concentration for DocetaxelCycle 2 Day 11957.0 ng/mLGeometric Coefficient of Variation 23.4
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2Cmax: Maximum Observed Plasma Concentration for DocetaxelCycle 1 Day 11587.0 ng/mLGeometric Coefficient of Variation 34.1
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2Cmax: Maximum Observed Plasma Concentration for DocetaxelCycle 2 Day 12146.6 ng/mLGeometric Coefficient of Variation 19.4
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Cmax: Maximum Observed Plasma Concentration for DocetaxelCycle 1 Day 11717.6 ng/mLGeometric Coefficient of Variation 51.9
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Cmax: Maximum Observed Plasma Concentration for DocetaxelCycle 2 Day 13299.9 ng/mLGeometric Coefficient of Variation 0.9
Alisertib 30 mg (7D) + Docetaxel 60 mg/m^2Cmax: Maximum Observed Plasma Concentration for DocetaxelCycle 1 Day 13751.4 ng/mLGeometric Coefficient of Variation 80.8
Alisertib 30 mg (7D) + Docetaxel 60 mg/m^2Cmax: Maximum Observed Plasma Concentration for DocetaxelCycle 2 Day 11649.7 ng/mLGeometric Coefficient of Variation 19.1
Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2Cmax: Maximum Observed Plasma Concentration for DocetaxelCycle 1 Day 11159.9 ng/mLGeometric Coefficient of Variation 13.8
Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2Cmax: Maximum Observed Plasma Concentration for DocetaxelCycle 2 Day 11061.6 ng/mLGeometric Coefficient of Variation 24.8
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2 + GCSFCmax: Maximum Observed Plasma Concentration for DocetaxelCycle 2 Day 12504.6 ng/mLGeometric Coefficient of Variation 28
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2 + GCSFCmax: Maximum Observed Plasma Concentration for DocetaxelCycle 1 Day 12232.9 ng/mLGeometric Coefficient of Variation 19.8
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFCmax: Maximum Observed Plasma Concentration for DocetaxelCycle 1 Day 11386.6 ng/mLGeometric Coefficient of Variation 47
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFCmax: Maximum Observed Plasma Concentration for DocetaxelCycle 2 Day 11627.8 ng/mLGeometric Coefficient of Variation 17.2
Secondary

Duration of Response

Duration of response is defined as the time from the date of first documentation of a response to the date of first documented progressive disease (PD), or censored at last SD or better.

Time frame: Baseline up to Cycle 36 (21-day cycles) until disease progression, death or EOT (approximately up to 24.8 months)

Population: Response-Evaluable population includes patients that are either RECIST-evaluable or PSA-evaluable. Here, number of participants analyzed are the participants who were responders. A responder that did not experience disease progression were censored at the last response assessment that is SD or better.

ArmMeasureValue (MEDIAN)
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Duration of Response187 days
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Duration of Response342 days
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2Duration of Response830 days
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Duration of Response176 days
Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2Duration of Response79 days
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFDuration of ResponseNA days
Secondary

Duration of Stable Disease (SD)

Duration of SD is defined as the time from first dose to first PD, or censored at last SD or better.

Time frame: Baseline up to Cycle 36 (21-day cycles) until disease progression, death or EOT (approximately up to 24.8 months)

Population: Response-Evaluable population includes patients that are either RECIST-evaluable or PSA-evaluable. Here, number of participants analyzed are the participants who had SD. For a participants that has not progressed, duration of SD is censored at the last response assessment that is SD or better.

ArmMeasureValue (MEDIAN)
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Duration of Stable Disease (SD)253 days
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Duration of Stable Disease (SD)NA days
Alisertib 30 mg (7D) + Docetaxel 60 mg/m^2Duration of Stable Disease (SD)309 days
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFDuration of Stable Disease (SD)134 days
Secondary

Overall Response Rate for Prostate Cancer Participants

ORR is defined as percentage of participants who achieved CR or PR as assessed by either RECIST v 1.1 or PSA response by prostate cancer working group 2 (PCWG2) criteria. According to RECIST v 1.1, CR: disappearance of all target and non-target lesions and (if applicable) normalization of tumor marker levels. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to \<10 mm. PR: ≥30% decrease in sum of LD of target lesions in reference to Baseline sum LD. PSA response by PCWG2 is defined as PSA at least 50% decrease in PSA value from baseline for 2 consecutive evaluations. PCWG2 defines PSA progression as the date that a 25% or greater increase and an absolute increase of 2 ng/mL or more from the nadir is documented, which is confirmed by a second value obtained 3 or more weeks later.

Time frame: Baseline up to Cycle 36 (21-day cycles) until disease progression, death or EOT (approximately up to 24.8 months)

Population: Response-Evaluable Population included participants who were either RECIST evaluable or PSA-evaluable. Here, number of participants analyzed are the enrolled participants who had castration-resistant prostate cancer (CRPC) and were evaluable by either RECIST or PSA response criteria.

ArmMeasureValue (NUMBER)
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Overall Response Rate for Prostate Cancer Participants50 percentage of participants
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Overall Response Rate for Prostate Cancer Participants20 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Overall Response Rate for Prostate Cancer Participants100 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2Overall Response Rate for Prostate Cancer Participants0 percentage of participants
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFOverall Response Rate for Prostate Cancer Participants100 percentage of participants
Secondary

Overall Response Rate (ORR) Assessed for Overall Participant Population

ORR is defined as percentage of participants who achieved complete response (CR) or partial response (PR) as assessed by response evaluation criteria in solid tumors (RECIST) v 1.1. CR was defined as disappearance of all target and non-target lesions and normalization of tumor marker levels. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to \<10 mm. PR was defined as ≥30% decrease in sum of longest diameter (LD) of target lesions in reference to Baseline. RECIST-Evaluable Population is subset of safety population who had measurable disease by RECIST v 1.1 at baseline and had at least 1 post baseline response. prostate specific antigen (PSA)-Evaluable Population is subset of the safety population who had a baseline PSA reference value (\>5 ng/mL) and at least 12 weeks post-baseline PSA assessment for participants with no decline from baseline, or PSA progression within 12 weeks of treatment for participants with PSA decline from baseline.

Time frame: Baseline up to Cycle 36 (21-day cycles) until disease progression, death or EOT (approximately up to 24.8 months)

Population: Response-Evaluable Population included participants who were either RECIST evaluable and/or PSA-evaluable.

ArmMeasureValue (NUMBER)
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Overall Response Rate (ORR) Assessed for Overall Participant Population50 percentage of participants
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Overall Response Rate (ORR) Assessed for Overall Participant Population10 percentage of participants
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2Overall Response Rate (ORR) Assessed for Overall Participant Population100 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Overall Response Rate (ORR) Assessed for Overall Participant Population50 percentage of participants
Alisertib 30 mg (7D) + Docetaxel 60 mg/m^2Overall Response Rate (ORR) Assessed for Overall Participant Population0 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2Overall Response Rate (ORR) Assessed for Overall Participant Population25 percentage of participants
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2 + GCSFOverall Response Rate (ORR) Assessed for Overall Participant Population0 percentage of participants
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFOverall Response Rate (ORR) Assessed for Overall Participant Population50 percentage of participants
Secondary

Terminal Phase Elimination Half-life (T1/2) for Docetaxel

Time frame: Day 1 pre-dose and at multiple time points (up to 48 hours) post-dose in Cycles 1 and 2

Population: PK parameter population was defined as all participants who had sufficient dosing data and plasma alisertib or docetaxel concentration-time data to permit the calculation of any PK parameter. Here number analyzed is the number of participants with data available for analysis at the given time point.

ArmMeasureGroupValue (MEAN)Dispersion
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Terminal Phase Elimination Half-life (T1/2) for DocetaxelCycle 1 Day 121.80 hrStandard Deviation 4.339
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Terminal Phase Elimination Half-life (T1/2) for DocetaxelCycle 2 Day 124.18 hrStandard Deviation 2.05
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Terminal Phase Elimination Half-life (T1/2) for DocetaxelCycle 1 Day 122.88 hrStandard Deviation 4.733
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Terminal Phase Elimination Half-life (T1/2) for DocetaxelCycle 2 Day 120.73 hrStandard Deviation 5.845
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2Terminal Phase Elimination Half-life (T1/2) for DocetaxelCycle 1 Day 124.00 hrStandard Deviation 6.934
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2Terminal Phase Elimination Half-life (T1/2) for DocetaxelCycle 2 Day 120.40 hrStandard Deviation 2.121
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Terminal Phase Elimination Half-life (T1/2) for DocetaxelCycle 1 Day 115.60 hr
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Terminal Phase Elimination Half-life (T1/2) for DocetaxelCycle 2 Day 116.40 hr
Alisertib 30 mg (7D) + Docetaxel 60 mg/m^2Terminal Phase Elimination Half-life (T1/2) for DocetaxelCycle 1 Day 130.70 hr
Alisertib 30 mg (7D) + Docetaxel 60 mg/m^2Terminal Phase Elimination Half-life (T1/2) for DocetaxelCycle 2 Day 125.10 hrStandard Deviation 2.546
Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2Terminal Phase Elimination Half-life (T1/2) for DocetaxelCycle 1 Day 116.34 hrStandard Deviation 5.684
Alisertib 30 mg (5D) + Docetaxel 60 mg/m^2Terminal Phase Elimination Half-life (T1/2) for DocetaxelCycle 2 Day 122.00 hrStandard Deviation 2.404
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2 + GCSFTerminal Phase Elimination Half-life (T1/2) for DocetaxelCycle 2 Day 116.95 hrStandard Deviation 0.636
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2 + GCSFTerminal Phase Elimination Half-life (T1/2) for DocetaxelCycle 1 Day 119.25 hrStandard Deviation 2.051
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFTerminal Phase Elimination Half-life (T1/2) for DocetaxelCycle 1 Day 124.80 hrStandard Deviation 6.444
Alisertib 40 mg (5D) + Docetaxel 75 mg/m^2 + GCSFTerminal Phase Elimination Half-life (T1/2) for DocetaxelCycle 2 Day 126.00 hr
Secondary

Tmax: Time to Reach the Maximum Plasma Concentration (Cmax) for Alisertib

Time frame: Prior to dosing on Day 1 and Day 5 or 7 and at multiple time points (up to 12 hours) post-dose in Cycle 1

Population: PK parameter population was defined as all participants who had sufficient dosing data and plasma alisertib concentration-time data to permit the calculation of any PK parameter. Here number analyzed is the number of participants with data available for analysis at the given time point.

ArmMeasureGroupValue (MEDIAN)
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Tmax: Time to Reach the Maximum Plasma Concentration (Cmax) for AlisertibCycle 1 Day 12.050 hr
Alisertib 10 mg (7D) + Docetaxel 75 mg/m^2Tmax: Time to Reach the Maximum Plasma Concentration (Cmax) for AlisertibCycle 1 Day 5/Day 73.510 hr
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Tmax: Time to Reach the Maximum Plasma Concentration (Cmax) for AlisertibCycle 1 Day 5/Day 73.030 hr
Alisertib 20 mg (7D) + Docetaxel 75 mg/m^2Tmax: Time to Reach the Maximum Plasma Concentration (Cmax) for AlisertibCycle 1 Day 14.000 hr
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2Tmax: Time to Reach the Maximum Plasma Concentration (Cmax) for AlisertibCycle 1 Day 13.560 hr
Alisertib 30 mg (7D) + Docetaxel 75 mg/m^2Tmax: Time to Reach the Maximum Plasma Concentration (Cmax) for AlisertibCycle 1 Day 5/Day 72.030 hr
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Tmax: Time to Reach the Maximum Plasma Concentration (Cmax) for AlisertibCycle 1 Day 11.500 hr
Alisertib 30 mg (5D) + Docetaxel 75 mg/m^2Tmax: Time to Reach the Maximum Plasma Concentration (Cmax) for AlisertibCycle 1 Day 5/Day 71.975 hr

Source: ClinicalTrials.gov · Data processed: Mar 8, 2026