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A Study Evaluating the Safety and Efficacy of Atezolizumab in Combination With Obinutuzumab Plus Lenalidomide in Patients With Relapsed or Refractory Follicular Lymphoma

A Phase Ib/II Study Evaluating the Safety and Efficacy of Atezolizumab in Combination With Obinutuzumab Plus Lenalidomide in Patients With Relapsed or Refractory Follicular Lymphoma

Status
Completed
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02631577
Enrollment
38
Registered
2015-12-16
Start date
2015-12-31
Completion date
2020-10-07
Last updated
2022-04-13

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

Conditions

Lymphoma, Follicular

Brief summary

This study will evaluate the safety, efficacy, pharmacokinetics and immunogenicity of induction treatment consisting of atezolizumab in combination with obinutuzumab plus lenalidomide in patients with relapsed or refractory follicular lymphoma (FL), followed by maintenance treatment with atezolizumab plus obinutzumab plus lenalidomide in patients who achieve a complete response (CR), a partial response (PR), or stable disease at end of induction.

Interventions

DRUGAtezolizumab (MPDL3280A) [TECENTRIQ]

Atezolizumab will be administered at a flat dose of 840 mg on Days 1 and 15 of Cycles 2 to 6, given in 28-day cycles as induction treatment and 840 mg on Days 1 and 2 of each month, given as maintenance treatment.

DRUGLenalidomide

Lenalidomide will be administered orally once daily on Days 1 to 21 of Cycles 1 to 6 (28-day cycles) during induction treatment and on Days 1 to 21 of each month during maintenance treatment. Lenalidomide will be administered at a dose of 15 or 20 mg (dose may be de-escalated to 10 mg) during induction treatment and at 10 mg during maintenance treatment. During the expansion phase, lenalidomide will be administered at the RP2D during induction treatment and at 10 mg during maintenance treatment.

DRUGObinutuzumab

Obinutuzumab will be administered by intravenous infusion at an absolute (flat) dose of 1000 mg on Days 1, 8, and 15 of the first cycle and on Day 1 of each subsequent cycle during induction treatment, and on Day 1 of every other month (i.e., every 2 months) during maintenance treatment.

Sponsors

Hoffmann-La Roche
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

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

Inclusion criteria

* Eastern Cooperative Oncology Group (ECOG) Performance Status of 0, 1, or 2 * Relapsed or refractory FL after treatment with at least one prior chemoimmunotherapy regimen that included an anti-CD20 monoclonal antibody and for which no other more appropriate treatment option exists as determined by the investigator * Histologically documented CD20-positive lymphoma as determined by the local laboratory * Fluorodeoxyglucose-avid lymphoma (i.e., PET-positive lymphoma) * At least one bi-dimensionally measurable lesion (\>1.5 cm in its largest dimension by CT scan or magnetic resonance imaging \[MRI\]) * Availability of a representative tumor specimen and the corresponding pathology report for retrospective central confirmation of the diagnosis of FL * Agreement to comply with all local requirements of the lenalidomide risk minimization plan * For women of childbearing potential: agreement to remain abstinent (refrain from heterosexual intercourse) or use two adequate methods of contraception, including at least one method with a failure rate of \<1% per year, for at least 28 days prior to Day 1 of Cycle 1, during the treatment period (including periods of treatment interruption), and for at least 18 months after the last dose of study treatment * For men: agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive measures and agreement to refrain from donating sperm for at least 3 months after the last dose of study treatment

Exclusion criteria

* Grade 3b follicular lymphoma * History of transformation of indolent disease to diffuse large B-cell lymphoma (DLBCL) * Known CD20-negative status at relapse or progression * Central nervous system lymphoma or leptomeningeal infiltration * Prior allogeneic stem-cell transplantation (SCT) * Completion of autologous SCT within 100 days prior to Day (D) 1 of Cycle (C) 1 * Prior standard or investigational anti-cancer therapy as specified in protocol * History of resistance to lenalidomide or response duration of \<1 year * Treatment with systemic immunosuppressive medications * History of solid organ transplantation * Clinically significant toxicity from prior therapy that has not resolved to Grade \<=2 (according to the National Cancer Institute Common Terminology Criteria for Adverse Events \[NCI CTCAE\], v4.0) prior to Day 1 of Cycle 1 * History of erythema multiforme, Grade \>= 3 rash, or blistering following prior treatment with immunomodulatory derivatives such as thalidomide and lenalidomide * Active bacterial, viral, fungal, or other infection * Positive for hepatitis B surface antigen (HBsAg), total hepatitis B core antibody (HBcAb), or hepatitis C virus (HCV) antibody at screening * Known history of HIV positive status * History of progressive multifocal leukoencephalopathy * History of autoimmune disease * Contraindication to treatment for TE prophylaxis * Grade \<= 2 neuropathy * History of other malignancy that could affect compliance with the protocol or interpretation of results * Evidence of any significant, uncontrolled concomitant disease * Inadequate hematologic function (unless due to underlying lymphoma) * Abnormal laboratory values (unless due to underlying lymphoma) * Pregnant or lactating or intending to become pregnant during the study

Design outcomes

Primary

MeasureTime frameDescription
Percentage of Participants Achieving Complete Response (CR) at End of Induction (EOI), as Determined by the Independent Review Committee (IRC) Using Modified Lugano 2014 Criteria6 months (up to clinical cut-off date (CCOD) of 23 October 2018)Complete response (CR) was evaluated through use of PET-CT scans, using the Modified Lugano 2014 criteria. Response was determined by the IRC.

Secondary

MeasureTime frameDescription
Percentage of Participants Achieving CR at EOI, as Determined by the IRC and Investigator Using Lugano 2014 Criteria6 months (up to CCOD of 23 October 2018)CR was evaluated through use of CT scans, using the Lugano 2014 criteria. Response was determined by the IRC and by the Investigator.
Percentage of Participants With Objective Response (CR or PR) at EOI as Determined by the IRC and Investigator on the Basis of PET-CT Scans6 months (up to CCOD of 23 October 2018)Objective response was evaluated through use of PET-CT scans, using the Lugano 2014 or modified Lugano 2014 criteria. Response was determined by the IRC and by the Investigator.
Percentage of Participants With Objective Response (CR or PR) at EOI as Determined by the IRC and Investigator on the Basis of CT Scans Alone6 months (up to CCOD of 23 October 2018)Objective response was evaluated through use of CT scans alone, using the Lugano 2014. Response was determined by the IRC and by the Investigator.
Percentage of Participants With Best Response (CR or PR) During the Study as Determined by the Investigator on the Basis of CT Scans Alone30 monthsBest Response was evaluated through use of CT scans alone, using the Lugano 2014. Response was determined by the Investigator.
Percentage of Participants With Adverse Events and Serious Adverse EventsBaseline up to approximately 59 monthsAn adverse event is any untoward medical occurrence in a participant administered a pharmaceutical product and which does not necessarily have to have a causal relationship with the treatment. An adverse event 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.
Percentage of Participants Achieving CR at EOI, as Determined by the Investigator Using Modified Lugano 2014 Criteria6 months (up to CCOD of 23 October 2018)CR was evaluated through use of PET-CT scans, using the Modified Lugano 2014 criteria. Response was determined by the Investigator.
Serum Concentration of Obinutuzumab (mcg/mL)Baseline up to approximately 59 monthsThe following abbreviations apply in the table: Ind C = Induction Cycle; D = Day; Maint M = Maintenance Month; TRTC = Study Drug Completion or Early Discontinuation; PK FU = Pharmacokinetics and Immunogenicity Follow-up; YR = Year
Serum Concentration of Atezolizumab (mcg/mL)Baseline up to approximately 59 monthsThe following abbreviations apply in the table: Ind C = Induction Cycle; D = Day; Maint M = Maintenance Month; TRTC = Study Drug Completion or Early Discontinuation; PK FU = Pharmacokinetics and Immunogenicity Follow-up; YR = Year
Serum Concentration of Lenalidomide (ng/mL)Baseline up to approximately 59 monthsThe following abbreviations apply in the table: Ind C = Induction Cycle; D = Day; HR = Hour
Number of Participants Positive for Human Anti-human Antibodies (HAHA) to ObinutuzumabBaseline up to approximately 59 monthsThe following abbreviations apply in the table: Ind C = Induction Cycle; D = Day; Maint M = Maintenance Month; TRTC = Study Drug Completion or Early Discontinuation; PK FU = Pharmacokinetics and Immunogenicity Follow-up; YR = Year. All baseline and post-baseline samples from participants were negative for HAHAs to obinutuzumab and the results are shown below.
Number of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabBaseline up to approximately 59 monthsThe following abbreviations apply in the table: Ind C = Induction Cycle; D = Day; Maint M = Maintenance Month; TRTC = Study Drug Completion or Early Discontinuation; PK FU = Pharmacokinetics and Immunogenicity Follow-up; YR = Year. All baseline and post-baseline samples were negative for ATAs to atezolizumab and the results are shown below.
Number of Participants With Dose-limiting Toxicities (DLTs) During Cycle 2 of Study TreatmentDay 1 - Day 28 of second cycleDoes limiting toxicity (DLT) is defined as any one of the following events occurring during Cycle 2 of treatment and assessed by the investigator as related to study treatment: - Adverse event of any grade that leads to a delay of more than 14 days at the start of the next treatment cycle; - Hematologic adverse events (neutropenia, thrombocytopenia); - Non-hematologic adverse event, except IRRs, diarrhea, nausea or vomiting

Countries

France, United States

Participant flow

Recruitment details

The study was conducted at 14 sites in France (9) and USA (5).

Pre-assignment details

All participants received daily low-dose aspirin (81-100 mg) during lenalidomide treatment and until 28 days after the last dose of lenalidomide. Participants who are unable to tolerate aspirin, who have a history of thromboembolism (TE), and who are at high risk of TE, received warfarin or low-molecular-weight heparin (LMWH).

Participants by arm

ArmCount
Atezolizumab-G-lena 15mg
Participants were administered obinutuzumab, atezolizumab, and 15 mg of lenalidomide
4
Atezolizumab-G-lena 20mg
Participants were administered obinutuzumab, atezolizumab, and 20 mg of lenalidomide.
34
Total38

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyDeath17
Overall StudyWithdrawal by Subject03

Baseline characteristics

CharacteristicAtezolizumab-G-lena 20mgTotalAtezolizumab-G-lena 15mg
Age, Continuous60.4 Years
STANDARD_DEVIATION 9.7
60.0 Years
STANDARD_DEVIATION 9.6
56.5 Years
STANDARD_DEVIATION 9.1
Race/Ethnicity, Customized
Hispanic or Latino
0 Participants1 Participants1 Participants
Race/Ethnicity, Customized
Not Hispanic or Latino
13 Participants16 Participants3 Participants
Race/Ethnicity, Customized
Not Stated
12 Participants12 Participants0 Participants
Race/Ethnicity, Customized
Unknown
20 Participants9 Participants0 Participants
Race/Ethnicity, Customized
White
14 Participants18 Participants4 Participants
Sex: Female, Male
Female
18 Participants19 Participants1 Participants
Sex: Female, Male
Male
16 Participants19 Participants3 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
1 / 47 / 34
other
Total, other adverse events
4 / 434 / 34
serious
Total, serious adverse events
2 / 416 / 34

Outcome results

Primary

Percentage of Participants Achieving Complete Response (CR) at End of Induction (EOI), as Determined by the Independent Review Committee (IRC) Using Modified Lugano 2014 Criteria

Complete response (CR) was evaluated through use of PET-CT scans, using the Modified Lugano 2014 criteria. Response was determined by the IRC.

Time frame: 6 months (up to clinical cut-off date (CCOD) of 23 October 2018)

Population: As no DLTs were observed, the dose of 20 mg lenalidomide was confirmed as the recommended Phase II dose (RP2D) for lenalidomide. Only participants who received lenalidomide induction at the 20 mg RP2D were included in the Efficacy Evaluable population, hence participants in the Atezo-G-L 15 mg arm were not included in the efficacy analysis.

ArmMeasureValue (NUMBER)
Atezolizumab-G-lena 20mgPercentage of Participants Achieving Complete Response (CR) at End of Induction (EOI), as Determined by the Independent Review Committee (IRC) Using Modified Lugano 2014 Criteria71.9 Percentage of Participants
Secondary

Number of Participants Positive for Anti-therapeutic Antibodies (ATAs) to Atezolizumab

The following abbreviations apply in the table: Ind C = Induction Cycle; D = Day; Maint M = Maintenance Month; TRTC = Study Drug Completion or Early Discontinuation; PK FU = Pharmacokinetics and Immunogenicity Follow-up; YR = Year. All baseline and post-baseline samples were negative for ATAs to atezolizumab and the results are shown below.

Time frame: Baseline up to approximately 59 months

Population: The Safety Evaluable Population included participants who received at least one dose of any study treatment.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Atezolizumab-G-lena 15mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabInd C2 D15 - Negative2 Participants
Atezolizumab-G-lena 15mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabMaint M7 - Negative2 Participants
Atezolizumab-G-lena 15mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabInd C6 D1 - Negative3 Participants
Atezolizumab-G-lena 15mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabMaint M13 - Negative1 Participants
Atezolizumab-G-lena 15mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabInd C2 D1 - Negative4 Participants
Atezolizumab-G-lena 15mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabMaint M19 - Negative2 Participants
Atezolizumab-G-lena 15mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabMaint M1 - Negative3 Participants
Atezolizumab-G-lena 15mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabStudy drug completion or early discontinuation - Negative2 Participants
Atezolizumab-G-lena 15mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabInd C4 D1 - Negative3 Participants
Atezolizumab-G-lena 15mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabATEZO, PK, IMMUNO FU 120D - Negative1 Participants
Atezolizumab-G-lena 15mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabMaint M4 - Negative3 Participants
Atezolizumab-G-lena 15mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabATEZO, PK, IMMUNO FU 1YR - Negative2 Participants
Atezolizumab-G-lena 20mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabMaint M4 - Negative25 Participants
Atezolizumab-G-lena 20mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabInd C2 D1 - Negative31 Participants
Atezolizumab-G-lena 20mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabInd C2 D15 - Negative32 Participants
Atezolizumab-G-lena 20mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabInd C4 D1 - Negative29 Participants
Atezolizumab-G-lena 20mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabInd C6 D1 - Negative28 Participants
Atezolizumab-G-lena 20mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabMaint M1 - Negative27 Participants
Atezolizumab-G-lena 20mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabATEZO, PK, IMMUNO FU 1YR - Negative3 Participants
Atezolizumab-G-lena 20mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabMaint M7 - Negative21 Participants
Atezolizumab-G-lena 20mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabMaint M13 - Negative20 Participants
Atezolizumab-G-lena 20mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabMaint M19 - Negative12 Participants
Atezolizumab-G-lena 20mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabStudy drug completion or early discontinuation - Negative15 Participants
Atezolizumab-G-lena 20mgNumber of Participants Positive for Anti-therapeutic Antibodies (ATAs) to AtezolizumabATEZO, PK, IMMUNO FU 120D - Negative11 Participants
Secondary

Number of Participants Positive for Human Anti-human Antibodies (HAHA) to Obinutuzumab

The following abbreviations apply in the table: Ind C = Induction Cycle; D = Day; Maint M = Maintenance Month; TRTC = Study Drug Completion or Early Discontinuation; PK FU = Pharmacokinetics and Immunogenicity Follow-up; YR = Year. All baseline and post-baseline samples from participants were negative for HAHAs to obinutuzumab and the results are shown below.

Time frame: Baseline up to approximately 59 months

Population: The Safety Evaluable Population included participants who received at least one dose of any study treatment.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Atezolizumab-G-lena 15mgNumber of Participants Positive for Human Anti-human Antibodies (HAHA) to ObinutuzumabInd C6 D1 - Negative3 Participants
Atezolizumab-G-lena 15mgNumber of Participants Positive for Human Anti-human Antibodies (HAHA) to ObinutuzumabBaseline - Negative4 Participants
Atezolizumab-G-lena 15mgNumber of Participants Positive for Human Anti-human Antibodies (HAHA) to ObinutuzumabStudy drug completion or early discontinuation - Negative0 Participants
Atezolizumab-G-lena 15mgNumber of Participants Positive for Human Anti-human Antibodies (HAHA) to ObinutuzumabOB, PK, IMMUNO FU 120D - Negative1 Participants
Atezolizumab-G-lena 15mgNumber of Participants Positive for Human Anti-human Antibodies (HAHA) to ObinutuzumabOB, PK, IMMUNO FU 1YR - Negative2 Participants
Atezolizumab-G-lena 20mgNumber of Participants Positive for Human Anti-human Antibodies (HAHA) to ObinutuzumabOB, PK, IMMUNO FU 120D - Negative11 Participants
Atezolizumab-G-lena 20mgNumber of Participants Positive for Human Anti-human Antibodies (HAHA) to ObinutuzumabStudy drug completion or early discontinuation - Negative15 Participants
Atezolizumab-G-lena 20mgNumber of Participants Positive for Human Anti-human Antibodies (HAHA) to ObinutuzumabOB, PK, IMMUNO FU 1YR - Negative4 Participants
Atezolizumab-G-lena 20mgNumber of Participants Positive for Human Anti-human Antibodies (HAHA) to ObinutuzumabBaseline - Negative34 Participants
Atezolizumab-G-lena 20mgNumber of Participants Positive for Human Anti-human Antibodies (HAHA) to ObinutuzumabInd C6 D1 - Negative27 Participants
Secondary

Number of Participants With Dose-limiting Toxicities (DLTs) During Cycle 2 of Study Treatment

Does limiting toxicity (DLT) is defined as any one of the following events occurring during Cycle 2 of treatment and assessed by the investigator as related to study treatment: - Adverse event of any grade that leads to a delay of more than 14 days at the start of the next treatment cycle; - Hematologic adverse events (neutropenia, thrombocytopenia); - Non-hematologic adverse event, except IRRs, diarrhea, nausea or vomiting

Time frame: Day 1 - Day 28 of second cycle

Population: The Safety Evaluable Population included participants who received at least one dose of any study treatment.

ArmMeasureValue (NUMBER)
Atezolizumab-G-lena 15mgNumber of Participants With Dose-limiting Toxicities (DLTs) During Cycle 2 of Study Treatment0 Number of Participants
Atezolizumab-G-lena 20mgNumber of Participants With Dose-limiting Toxicities (DLTs) During Cycle 2 of Study Treatment0 Number of Participants
Secondary

Percentage of Participants Achieving CR at EOI, as Determined by the Investigator Using Modified Lugano 2014 Criteria

CR was evaluated through use of PET-CT scans, using the Modified Lugano 2014 criteria. Response was determined by the Investigator.

Time frame: 6 months (up to CCOD of 23 October 2018)

Population: As no DLTs were observed, the dose of 20 mg lenalidomide was confirmed as the recommended Phase II dose (RP2D) for lenalidomide. Only participants who received lenalidomide induction at the 20 mg RP2D were included in the Efficacy Evaluable population, hence participants in the Atezo-G-L 15 mg arm were not included in the efficacy analysis.

ArmMeasureValue (NUMBER)
Atezolizumab-G-lena 20mgPercentage of Participants Achieving CR at EOI, as Determined by the Investigator Using Modified Lugano 2014 Criteria75 Percentage of Participants
Secondary

Percentage of Participants Achieving CR at EOI, as Determined by the IRC and Investigator Using Lugano 2014 Criteria

CR was evaluated through use of CT scans, using the Lugano 2014 criteria. Response was determined by the IRC and by the Investigator.

Time frame: 6 months (up to CCOD of 23 October 2018)

Population: As no DLTs were observed, the dose of 20 mg lenalidomide was confirmed as the recommended Phase II dose (RP2D) for lenalidomide. Only participants who received lenalidomide induction at the 20 mg RP2D were included in the Efficacy Evaluable population, hence participants in the Atezo-G-L 15 mg arm were not included in the efficacy analysis.

ArmMeasureGroupValue (NUMBER)
Atezolizumab-G-lena 20mgPercentage of Participants Achieving CR at EOI, as Determined by the IRC and Investigator Using Lugano 2014 CriteriaDetermined by the IRC with CT or MRI31.3 Percentage of Participants
Atezolizumab-G-lena 20mgPercentage of Participants Achieving CR at EOI, as Determined by the IRC and Investigator Using Lugano 2014 CriteriaDetermined by Investigator with CT or MRI50 Percentage of Participants
Secondary

Percentage of Participants With Adverse Events and Serious Adverse Events

An adverse event is any untoward medical occurrence in a participant administered a pharmaceutical product and which does not necessarily have to have a causal relationship with the treatment. An adverse event 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.

Time frame: Baseline up to approximately 59 months

Population: The Safety Evaluable Population included participants who received at least one dose of any study treatment.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Atezolizumab-G-lena 15mgPercentage of Participants With Adverse Events and Serious Adverse EventsAdverse Events4 Participants
Atezolizumab-G-lena 15mgPercentage of Participants With Adverse Events and Serious Adverse EventsSerious Adverse Events2 Participants
Atezolizumab-G-lena 20mgPercentage of Participants With Adverse Events and Serious Adverse EventsAdverse Events34 Participants
Atezolizumab-G-lena 20mgPercentage of Participants With Adverse Events and Serious Adverse EventsSerious Adverse Events16 Participants
Secondary

Percentage of Participants With Best Response (CR or PR) During the Study as Determined by the Investigator on the Basis of CT Scans Alone

Best Response was evaluated through use of CT scans alone, using the Lugano 2014. Response was determined by the Investigator.

Time frame: 30 months

Population: As no DLTs were observed, the dose of 20 mg lenalidomide was confirmed as the recommended Phase II dose (RP2D) for lenalidomide. Only participants who received lenalidomide induction at the 20 mg RP2D were included in the Efficacy Evaluable population, hence participants in the Atezo-G-L 15 mg arm were not included in the efficacy analysis.

ArmMeasureGroupValue (NUMBER)
Atezolizumab-G-lena 20mgPercentage of Participants With Best Response (CR or PR) During the Study as Determined by the Investigator on the Basis of CT Scans AloneBest Response (CR,PR)87.5 Percentage
Atezolizumab-G-lena 20mgPercentage of Participants With Best Response (CR or PR) During the Study as Determined by the Investigator on the Basis of CT Scans AloneCR68.8 Percentage
Atezolizumab-G-lena 20mgPercentage of Participants With Best Response (CR or PR) During the Study as Determined by the Investigator on the Basis of CT Scans AlonePR18.8 Percentage
Secondary

Percentage of Participants With Objective Response (CR or PR) at EOI as Determined by the IRC and Investigator on the Basis of CT Scans Alone

Objective response was evaluated through use of CT scans alone, using the Lugano 2014. Response was determined by the IRC and by the Investigator.

Time frame: 6 months (up to CCOD of 23 October 2018)

Population: As no DLTs were observed, the dose of 20 mg lenalidomide was confirmed as the recommended Phase II dose (RP2D) for lenalidomide. Only participants who received lenalidomide induction at the 20 mg RP2D were included in the Efficacy Evaluable population, hence participants in the Atezo-G-L 15 mg arm were not included in the efficacy analysis.

ArmMeasureGroupValue (NUMBER)
Atezolizumab-G-lena 20mgPercentage of Participants With Objective Response (CR or PR) at EOI as Determined by the IRC and Investigator on the Basis of CT Scans AloneDetermined by IRC, based on Lugano 2014 - CT81.3 Percentage of Participants
Atezolizumab-G-lena 20mgPercentage of Participants With Objective Response (CR or PR) at EOI as Determined by the IRC and Investigator on the Basis of CT Scans AloneDetermined by Inv., based on Lugano 2014 - CT87.5 Percentage of Participants
Secondary

Percentage of Participants With Objective Response (CR or PR) at EOI as Determined by the IRC and Investigator on the Basis of PET-CT Scans

Objective response was evaluated through use of PET-CT scans, using the Lugano 2014 or modified Lugano 2014 criteria. Response was determined by the IRC and by the Investigator.

Time frame: 6 months (up to CCOD of 23 October 2018)

Population: As no DLTs were observed, the dose of 20 mg lenalidomide was confirmed as the recommended Phase II dose (RP2D) for lenalidomide. Only participants who received lenalidomide induction at the 20 mg RP2D were included in the Efficacy Evaluable population, hence participants in the Atezo-G-L 15 mg arm were not included in the efficacy analysis.

ArmMeasureGroupValue (NUMBER)
Atezolizumab-G-lena 20mgPercentage of Participants With Objective Response (CR or PR) at EOI as Determined by the IRC and Investigator on the Basis of PET-CT ScansDetermined by IRC, based on Lugano 2014 - PET81.3 Percentage of Participants
Atezolizumab-G-lena 20mgPercentage of Participants With Objective Response (CR or PR) at EOI as Determined by the IRC and Investigator on the Basis of PET-CT ScansDetermined by Inv., based on Lugano 2014 - PET84.4 Percentage of Participants
Atezolizumab-G-lena 20mgPercentage of Participants With Objective Response (CR or PR) at EOI as Determined by the IRC and Investigator on the Basis of PET-CT ScansDetermined by IRC, Modified Lugano 2014 - PET-CT78.1 Percentage of Participants
Atezolizumab-G-lena 20mgPercentage of Participants With Objective Response (CR or PR) at EOI as Determined by the IRC and Investigator on the Basis of PET-CT ScansDetermined by Inv, Modified Lugano 2014 - PET-CT84.4 Percentage of Participants
Secondary

Serum Concentration of Atezolizumab (mcg/mL)

The following abbreviations apply in the table: Ind C = Induction Cycle; D = Day; Maint M = Maintenance Month; TRTC = Study Drug Completion or Early Discontinuation; PK FU = Pharmacokinetics and Immunogenicity Follow-up; YR = Year

Time frame: Baseline up to approximately 59 months

Population: The Safety Evaluable Population included participants who received at least one dose of any study treatment.

ArmMeasureGroupValue (MEAN)Dispersion
Atezolizumab-G-lena 15mgSerum Concentration of Atezolizumab (mcg/mL)Ind C4 D1 - 30 min. Postdose340 micrograms per milliliter (mcg/mL)Standard Deviation 38.2
Atezolizumab-G-lena 15mgSerum Concentration of Atezolizumab (mcg/mL)Maint M4 - Predose174 micrograms per milliliter (mcg/mL)Standard Deviation 32.9
Atezolizumab-G-lena 15mgSerum Concentration of Atezolizumab (mcg/mL)Ind C2 D1 - 30 min. Postdose345 micrograms per milliliter (mcg/mL)Standard Deviation 195
Atezolizumab-G-lena 15mgSerum Concentration of Atezolizumab (mcg/mL)Maint M7 - Predose209 micrograms per milliliter (mcg/mL)Standard Deviation 12.7
Atezolizumab-G-lena 15mgSerum Concentration of Atezolizumab (mcg/mL)Ind C6 D1 - Predose194 micrograms per milliliter (mcg/mL)Standard Deviation 40.6
Atezolizumab-G-lena 15mgSerum Concentration of Atezolizumab (mcg/mL)Maint M13 - Predose203 micrograms per milliliter (mcg/mL)
Atezolizumab-G-lena 15mgSerum Concentration of Atezolizumab (mcg/mL)Ind C4 D1 - Predose128 micrograms per milliliter (mcg/mL)Standard Deviation 33.9
Atezolizumab-G-lena 15mgSerum Concentration of Atezolizumab (mcg/mL)Maint M19 - Predose351 micrograms per milliliter (mcg/mL)
Atezolizumab-G-lena 15mgSerum Concentration of Atezolizumab (mcg/mL)Maint M1 - Predose79.0 micrograms per milliliter (mcg/mL)Standard Deviation 67.6
Atezolizumab-G-lena 15mgSerum Concentration of Atezolizumab (mcg/mL)Ind C2 D15 - Predose73.8 micrograms per milliliter (mcg/mL)Standard Deviation 6.47
Atezolizumab-G-lena 15mgSerum Concentration of Atezolizumab (mcg/mL)PK FU 120D46.0 micrograms per milliliter (mcg/mL)
Atezolizumab-G-lena 15mgSerum Concentration of Atezolizumab (mcg/mL)Maint M1 - Day 2, 30 min. Postdose653 micrograms per milliliter (mcg/mL)Standard Deviation 106
Atezolizumab-G-lena 20mgSerum Concentration of Atezolizumab (mcg/mL)TRTC116 micrograms per milliliter (mcg/mL)Standard Deviation 81.9
Atezolizumab-G-lena 20mgSerum Concentration of Atezolizumab (mcg/mL)Ind C2 D1 - Predose0.184 micrograms per milliliter (mcg/mL)
Atezolizumab-G-lena 20mgSerum Concentration of Atezolizumab (mcg/mL)PK FU 120D38.4 micrograms per milliliter (mcg/mL)Standard Deviation 24.6
Atezolizumab-G-lena 20mgSerum Concentration of Atezolizumab (mcg/mL)Ind C2 D1 - 30 min. Postdose279 micrograms per milliliter (mcg/mL)Standard Deviation 123
Atezolizumab-G-lena 20mgSerum Concentration of Atezolizumab (mcg/mL)Ind C2 D15 - Predose90.0 micrograms per milliliter (mcg/mL)Standard Deviation 33.8
Atezolizumab-G-lena 20mgSerum Concentration of Atezolizumab (mcg/mL)Ind C4 D1 - Predose226 micrograms per milliliter (mcg/mL)Standard Deviation 93.9
Atezolizumab-G-lena 20mgSerum Concentration of Atezolizumab (mcg/mL)Ind C4 D1 - 30 min. Postdose477 micrograms per milliliter (mcg/mL)Standard Deviation 126
Atezolizumab-G-lena 20mgSerum Concentration of Atezolizumab (mcg/mL)Ind C6 D1 - Predose279 micrograms per milliliter (mcg/mL)Standard Deviation 117
Atezolizumab-G-lena 20mgSerum Concentration of Atezolizumab (mcg/mL)Maint M1 - Predose172 micrograms per milliliter (mcg/mL)Standard Deviation 76.5
Atezolizumab-G-lena 20mgSerum Concentration of Atezolizumab (mcg/mL)Maint M1 - Day 2, 30 min. Postdose666 micrograms per milliliter (mcg/mL)Standard Deviation 185
Atezolizumab-G-lena 20mgSerum Concentration of Atezolizumab (mcg/mL)Maint M4 - Predose292 micrograms per milliliter (mcg/mL)Standard Deviation 97.1
Atezolizumab-G-lena 20mgSerum Concentration of Atezolizumab (mcg/mL)Maint M7 - Predose322 micrograms per milliliter (mcg/mL)Standard Deviation 109
Atezolizumab-G-lena 20mgSerum Concentration of Atezolizumab (mcg/mL)Maint M13 - Predose309 micrograms per milliliter (mcg/mL)Standard Deviation 140
Atezolizumab-G-lena 20mgSerum Concentration of Atezolizumab (mcg/mL)Maint M19 - Predose327 micrograms per milliliter (mcg/mL)Standard Deviation 140
Secondary

Serum Concentration of Lenalidomide (ng/mL)

The following abbreviations apply in the table: Ind C = Induction Cycle; D = Day; HR = Hour

Time frame: Baseline up to approximately 59 months

Population: The Safety Evaluable Population included participants who received at least one dose of any study treatment.

ArmMeasureGroupValue (MEAN)Dispersion
Atezolizumab-G-lena 15mgSerum Concentration of Lenalidomide (ng/mL)Ind C2 D15 - Predose3.57 nanograms/milliliter (ng/mL)Standard Deviation 3.25
Atezolizumab-G-lena 15mgSerum Concentration of Lenalidomide (ng/mL)Ind C2 D15 - 2.0 hr. Postdose146 nanograms/milliliter (ng/mL)Standard Deviation 41.9
Atezolizumab-G-lena 15mgSerum Concentration of Lenalidomide (ng/mL)Ind C1 D15 - 2.0 hr. Postdose254 nanograms/milliliter (ng/mL)Standard Deviation 115
Atezolizumab-G-lena 15mgSerum Concentration of Lenalidomide (ng/mL)Ind C2 D15 - 4.0 hr. Postdose95.8 nanograms/milliliter (ng/mL)Standard Deviation 18.3
Atezolizumab-G-lena 15mgSerum Concentration of Lenalidomide (ng/mL)Ind C2 D15 - 30 min. Postdose241 nanograms/milliliter (ng/mL)Standard Deviation 116
Atezolizumab-G-lena 15mgSerum Concentration of Lenalidomide (ng/mL)Ind C2 D15 - 8.0 hr. Postdose45.9 nanograms/milliliter (ng/mL)Standard Deviation 23.9
Atezolizumab-G-lena 15mgSerum Concentration of Lenalidomide (ng/mL)Ind C1 D15 - Predose12.6 nanograms/milliliter (ng/mL)Standard Deviation 14.3
Atezolizumab-G-lena 15mgSerum Concentration of Lenalidomide (ng/mL)Ind C6 D15 - Predose5.72 nanograms/milliliter (ng/mL)Standard Deviation 3.73
Atezolizumab-G-lena 15mgSerum Concentration of Lenalidomide (ng/mL)Ind C2 D15 -1.0 hr. Postdose224 nanograms/milliliter (ng/mL)Standard Deviation 43.1
Atezolizumab-G-lena 15mgSerum Concentration of Lenalidomide (ng/mL)Ind C6 D15 - 2.0 hr. Postdose200 nanograms/milliliter (ng/mL)Standard Deviation 57.5
Atezolizumab-G-lena 20mgSerum Concentration of Lenalidomide (ng/mL)Ind C6 D15 - 2.0 hr. Postdose214 nanograms/milliliter (ng/mL)Standard Deviation 77.6
Atezolizumab-G-lena 20mgSerum Concentration of Lenalidomide (ng/mL)Ind C1 D15 - Predose13.0 nanograms/milliliter (ng/mL)Standard Deviation 11.4
Atezolizumab-G-lena 20mgSerum Concentration of Lenalidomide (ng/mL)Ind C1 D15 - 2.0 hr. Postdose294 nanograms/milliliter (ng/mL)Standard Deviation 114
Atezolizumab-G-lena 20mgSerum Concentration of Lenalidomide (ng/mL)Ind C2 D15 - Predose15.0 nanograms/milliliter (ng/mL)Standard Deviation 13
Atezolizumab-G-lena 20mgSerum Concentration of Lenalidomide (ng/mL)Ind C2 D15 - 30 min. Postdose293 nanograms/milliliter (ng/mL)Standard Deviation 233
Atezolizumab-G-lena 20mgSerum Concentration of Lenalidomide (ng/mL)Ind C2 D15 -1.0 hr. Postdose354 nanograms/milliliter (ng/mL)Standard Deviation 120
Atezolizumab-G-lena 20mgSerum Concentration of Lenalidomide (ng/mL)Ind C2 D15 - 2.0 hr. Postdose262 nanograms/milliliter (ng/mL)Standard Deviation 82.1
Atezolizumab-G-lena 20mgSerum Concentration of Lenalidomide (ng/mL)Ind C2 D15 - 4.0 hr. Postdose150 nanograms/milliliter (ng/mL)Standard Deviation 47.1
Atezolizumab-G-lena 20mgSerum Concentration of Lenalidomide (ng/mL)Ind C2 D15 - 8.0 hr. Postdose68.4 nanograms/milliliter (ng/mL)Standard Deviation 33.6
Atezolizumab-G-lena 20mgSerum Concentration of Lenalidomide (ng/mL)Ind C6 D15 - Predose9.17 nanograms/milliliter (ng/mL)Standard Deviation 6.87
UnknownSerum Concentration of Lenalidomide (ng/mL)Ind C1 D1 - Predose nanograms/milliliter (ng/mL)
Secondary

Serum Concentration of Obinutuzumab (mcg/mL)

The following abbreviations apply in the table: Ind C = Induction Cycle; D = Day; Maint M = Maintenance Month; TRTC = Study Drug Completion or Early Discontinuation; PK FU = Pharmacokinetics and Immunogenicity Follow-up; YR = Year

Time frame: Baseline up to approximately 59 months

Population: The Safety Evaluable Population included participants who received at least one dose of any study treatment.

ArmMeasureGroupValue (MEAN)Dispersion
Atezolizumab-G-lena 15mgSerum Concentration of Obinutuzumab (mcg/mL)Maint M1 - Predose114 mcg/mLStandard Deviation 16.7
Atezolizumab-G-lena 15mgSerum Concentration of Obinutuzumab (mcg/mL)Ind C1 D1 - 30 min. Postdose364 mcg/mLStandard Deviation 45.9
Atezolizumab-G-lena 15mgSerum Concentration of Obinutuzumab (mcg/mL)Maint M7 - Predose66.1 mcg/mLStandard Deviation 20.4
Atezolizumab-G-lena 15mgSerum Concentration of Obinutuzumab (mcg/mL)Ind C4 D1 - 30 min. Postdose509 mcg/mLStandard Deviation 47
Atezolizumab-G-lena 15mgSerum Concentration of Obinutuzumab (mcg/mL)Maint M13 - Predose77.9 mcg/mL
Atezolizumab-G-lena 15mgSerum Concentration of Obinutuzumab (mcg/mL)Ind C2 D1 - 30 min. Postdose606 mcg/mLStandard Deviation 62.4
Atezolizumab-G-lena 15mgSerum Concentration of Obinutuzumab (mcg/mL)Maint M19 - Predose94.0 mcg/mLStandard Deviation 24
Atezolizumab-G-lena 15mgSerum Concentration of Obinutuzumab (mcg/mL)Ind C6 D1 - Predose230 mcg/mLStandard Deviation 12.3
Atezolizumab-G-lena 15mgSerum Concentration of Obinutuzumab (mcg/mL)Ind C2 D1 - Predose288 mcg/mLStandard Deviation 84.2
Atezolizumab-G-lena 15mgSerum Concentration of Obinutuzumab (mcg/mL)OD120FU23.3 mcg/mL
Atezolizumab-G-lena 15mgSerum Concentration of Obinutuzumab (mcg/mL)Ind C6 D1 - 30 min. Postdose503 mcg/mLStandard Deviation 25.5
Atezolizumab-G-lena 15mgSerum Concentration of Obinutuzumab (mcg/mL)O1YFU46.9 mcg/mLStandard Deviation 66.2
Atezolizumab-G-lena 15mgSerum Concentration of Obinutuzumab (mcg/mL)Ind C4 D1 - Predose175 mcg/mLStandard Deviation 38.5
Atezolizumab-G-lena 20mgSerum Concentration of Obinutuzumab (mcg/mL)OD120FU46.2 mcg/mLStandard Deviation 38.6
Atezolizumab-G-lena 20mgSerum Concentration of Obinutuzumab (mcg/mL)Ind C1 D1 - Predose0.634 mcg/mLStandard Deviation 0.857
Atezolizumab-G-lena 20mgSerum Concentration of Obinutuzumab (mcg/mL)O1YFU57.9 mcg/mLStandard Deviation 115
Atezolizumab-G-lena 20mgSerum Concentration of Obinutuzumab (mcg/mL)Ind C1 D1 - 30 min. Postdose375 mcg/mLStandard Deviation 163
Atezolizumab-G-lena 20mgSerum Concentration of Obinutuzumab (mcg/mL)Ind C2 D1 - Predose392 mcg/mLStandard Deviation 164
Atezolizumab-G-lena 20mgSerum Concentration of Obinutuzumab (mcg/mL)Ind C2 D1 - 30 min. Postdose753 mcg/mLStandard Deviation 225
Atezolizumab-G-lena 20mgSerum Concentration of Obinutuzumab (mcg/mL)Ind C4 D1 - Predose301 mcg/mLStandard Deviation 150
Atezolizumab-G-lena 20mgSerum Concentration of Obinutuzumab (mcg/mL)Ind C4 D1 - 30 min. Postdose657 mcg/mLStandard Deviation 198
Atezolizumab-G-lena 20mgSerum Concentration of Obinutuzumab (mcg/mL)Ind C6 D1 - Predose272 mcg/mLStandard Deviation 106
Atezolizumab-G-lena 20mgSerum Concentration of Obinutuzumab (mcg/mL)Ind C6 D1 - 30 min. Postdose652 mcg/mLStandard Deviation 177
Atezolizumab-G-lena 20mgSerum Concentration of Obinutuzumab (mcg/mL)Maint M1 - Predose201 mcg/mLStandard Deviation 104
Atezolizumab-G-lena 20mgSerum Concentration of Obinutuzumab (mcg/mL)Maint M7 - Predose112 mcg/mLStandard Deviation 52.1
Atezolizumab-G-lena 20mgSerum Concentration of Obinutuzumab (mcg/mL)Maint M13 - Predose104 mcg/mLStandard Deviation 62.9
Atezolizumab-G-lena 20mgSerum Concentration of Obinutuzumab (mcg/mL)Maint M19 - Predose111 mcg/mLStandard Deviation 49.8
Atezolizumab-G-lena 20mgSerum Concentration of Obinutuzumab (mcg/mL)TRTC148 mcg/mLStandard Deviation 103

Source: ClinicalTrials.gov · Data processed: Feb 23, 2026