A Study of Atezolizumab in Combination With Carboplatin or Cisplatin + Pemetrexed Compared With Carboplatin or Cisplatin + Pemetrexed in Participants Who Are Chemotherapy-Naive and Have Stage IV Non-Squamous Non-Small Cell Lung Cancer (NSCLC) (IMpower 132)
CompletedPhase 3Results postedLast updated 21 November 2023
What this trial tests
Phase 3 trial testing Atezolizumab in Non-Small Cell Lung Cancer in 578 participants. Completed in 13 December 2022.
18 and older, any sex, with Non-Small Cell Lung Cancer. Patients with the condition only — healthy volunteers not accepted.
Results — posted to ClinicalTrials.gov
Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.
Progression Free Survival (PFS) as Assessed by the Investigator Using Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST v1.1)Primary· Randomization up to approximately 39 months
PFS is defined as the time from randomization to the first occurrence of disease progression as determined by the investigator using RECIST v1.1 or death from any cause, whichever occurred first.
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
5.2
4.3 – 5.6
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
7.7
6.7 – 8.5
Overall Survival (OS)Primary· Randomization up to approximately 39 months
OS is defined as time from randomization to death from any cause.
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
13.6
11.0 – 15.7
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
17.5
13.2 – 19.6
Overall Survival Rate at Year 1Secondary· Year 1
The Overall Survival Rate at the 1-year landmark time point is defined as the probabilities that participants are alive 1-year after randomization.
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
55.04
49.21 – 60.87
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
59.72
54.02 – 65.41
Overall Survival Rate Year 2Secondary· Year 2
The Overall Survival Rate at the 2-year landmark time point is defined as the probabilities that participants are alive 2-years after randomization.
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
34.01
28.40 – 39.62
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
39.13
33.44 – 44.81
Percentage of Participants With an Objective Response (Complete Response [CR] or Partial Response [PR]) Assessed by the Investigator Using RECIST V1.1Secondary· Randomization up to approximately 25 months
An objective response is defined as either an unconfirmed CR or a PR, as determined by the investigator using RECIST v1.1. Objective Response Rate is defined as the proportion of patients who had an objective response.
Responders
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
37.4
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
51.7
Non-Responders
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
62.6
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
48.3
Duration of Response (DOR) as Determined by the Investigator Using RECIST v1.1Secondary· Randomization up to approximately 25 months
DOR is defined as the time interval from the date of the first occurrence of a CR or PR (whichever status is recorded first) until the first date that progressive disease or death is documented, whichever occurs first.
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
6.4
4.4 – 7.6
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
9.5
6.9 – 12.2
Change From Baseline in Patient-Reported Lung Cancer Symptoms as Assessed by European Organization for the Research and Treatment of Cancer (EORTC) Quality-of-Life Questionnaire-Core 30 (QLQ-C30) Symptom ScoreSecondary· Baseline up to 3 and 6 months after disease progression or loss of clinical benefit (up to approximately 25 months)
EORTC QLQ-C30 is a validated and reliable self-report measure that consists of 30 questions that assess five aspects of patient functioning (physical, emotional, role, cognitive, and social), three symptom scales (fatigue, nausea and vomiting, pain), global health/quality of life, and six single items (dyspnea, insomnia, appetite loss, constipation, diarrhea, and financial difficulties). EORTC QLQ-C30 is scored according to the EORTC scoring manual (Fayers et al. 2001). All EORTC scales and single-item measures are linearly transformed so that each score has a range of 0-100. A high score for
Dyspnoea: Week 3
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
-1.95
± 23.97
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-1.39
± 25.17
Dyspnoea: Week 6
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
-1.23
± 23.16
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-4.71
± 26.66
Dyspnoea: Week 9
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
0.20
± 26.34
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-6.33
± 26.62
Dyspnoea: Week 12
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
-0.91
± 27.57
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-3.39
± 29.10
Dyspnoea: Week 15
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
-1.67
± 28.92
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-2.44
± 28.73
Dyspnoea: Week 18
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
-2.12
± 24.85
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-3.44
± 30.43
Dyspnoea: Week 21
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
-5.67
± 29.61
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-2.89
± 31.83
Dyspnoea: Week 24
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
-2.75
± 28.74
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-2.45
± 31.85
Change From Baseline in Patient-Reported Lung Cancer Symptoms as Assessed by EORTC Quality-of-Life Lung Cancer Module (QLQ-LC13) Symptom ScoreSecondary· Baseline up to 3 and 6 months after disease progression or loss of clinical benefit (up to approximately 25 months)
The EORTC QLQ-LC13 module incorporates one multiple item scale to assess dyspnea and a series of single items assessing pain, coughing, sore mouth, dysphagia, peripheral neuropathy, alopecia, and hemoptysis. The EORTC QLQ-LC13 is scored according to the EORTC scoring manual (Fayers et al. 2001). All EORTC scales and single-item measures are linearly transformed so that each score has a range of 0-100. A high score for a functional/global health status scale represents a high or healthy level of functioning/HRQoL (Health-Related Quality of Life); however, a high score for a symptom scale or ite
Coughing: Week 3
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
-2.50
± 25.37
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-3.41
± 26.90
Coughing: Week 6
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
-3.57
± 27.20
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-9.82
± 26.50
Coughing: Week 9
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
-1.85
± 24.43
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-8.29
± 31.37
Coughing: Week 12
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
-3.91
± 28.46
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-10.71
± 31.66
Coughing: Week 15
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
-6.33
± 30.39
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-11.53
± 29.05
Coughing: Week 18
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
-4.00
± 26.97
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-11.63
± 27.92
Coughing: Week 21
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
-6.00
± 27.78
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-10.50
± 30.76
Coughing: Week 24
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
-4.81
± 28.05
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-10.03
± 33.08
Change From Baseline in Patient-Reported Lung Cancer Symptoms as Reported Using the Symptoms in Lung Cancer (SILC) Scale ScoreSecondary· Baseline up to 3 and 6 months after disease progression or loss of clinical benefit (up to approximately 25 months)
Change from baseline per SILC scale will be analyzed for each lung cancer symptoms scores. SILC questionnaire comprises 3 individual symptoms \& are scored at individual symptom level, thus have a dyspnea score, chest pain score, \& cough score. There are a total of 9 questions in SILC questionnaire, each question has a minimum value of 0 \& maximum value of 4. Each individual symptom score is calculated as average of responses for symptom items. 'Chest pain' score is mean of question 1 \& 2, 'Cough' score is mean of question 3 \& 4 and 'Dyspnea' score is mean of question 5 to 9 in SILC questi
Chest Pain: Week 1
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
0.20
± 0.83
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
0.30
± 0.88
Chest Pain: Week 2
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
-0.01
± 0.88
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
0.21
± 0.85
Chest Pain: Week 3
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
-0.05
± 0.92
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
0.06
± 0.95
Chest Pain: Week 4
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
0.03
± 0.91
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
0.03
± 0.93
Chest Pain: Week 5
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
-0.02
± 0.93
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-0.01
± 0.88
Chest Pain: Week 6
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
-0.05
± 0.88
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-0.02
± 0.92
Chest Pain: Week 7
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
0.07
± 1.00
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-0.04
± 1.00
Chest Pain: Week 8
Group
Value
95% CI
Arm B (Carboplatin or Cisplatin + Pemetrexed)
0.03
± 0.94
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
-0.07
± 1.02
Minimum Observed Serum Atezolizumab Concentration (Cmin)Secondary· Predose (Prd; 0 hour [h]) on D1 of Cy 2,3,4,8,16 (Cy length=21 days) and thereafter on D1 of every 8th cycle (up to approximately 25 months)
Minimum observed serum atezolizumab concentration (Cmin) prior to infusion at selected cycles (Arm A)
Cy2D1
Group
Value
95% CI
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
69.8
± 32.3
Cy3D1
Group
Value
95% CI
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
115
± 51.5
Cy4D1
Group
Value
95% CI
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
151
± 69.9
Cy8D1
Group
Value
95% CI
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
221
± 101
Cy16D1
Group
Value
95% CI
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
234
± 86.7
Cy24D1
Group
Value
95% CI
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
257
± 95.1
Treatment Discontinuation Visit
Group
Value
95% CI
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
129
± 93.1
Day 120 Post Last Dose
Group
Value
95% CI
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
13.4
± 19.4
Maximum Observed Serum Atezolizumab Concentration (Cmax)Secondary· Day 1 of Cycle 1 (Cycle length=21 days)
Maximum observed serum atezolizumab concentration (Cmax) after infusion (Arm A)
Group
Value
95% CI
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
403
± 118
Plasma Concentrations for Carboplatin in Arm A(Atezolizumab + Carboplatin or Cisplatin + Pemetrexed)Secondary· Prd (0 h), 5-10 minutes (mins) before end of carboplatin infusion (infusion duration=1-2 h), 1 h post-infusion on D1 of Cy1,3 (Cy length=21 days)
Cy1D1 Predose
Group
Value
95% CI
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
NA
± NA
Cy1D1 Before End of Infusion
Group
Value
95% CI
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
14900
± 4260
Cy1D1 Post Infusion
Group
Value
95% CI
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
12800
± 4470
Cy3D1 Predose
Group
Value
95% CI
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
220
± 83.8
Cy3D1 Before End of Infusion
Group
Value
95% CI
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
17900
± 4390
Cy3D1 Post Infusion
Group
Value
95% CI
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
13900
± 4080
Adverse events — posted to ClinicalTrials.gov
Time frame: From the first study drug to the data cutoff date: 13 December 2022 (up to approximately 80 months)..
Reporting threshold: 5%.
Adverse-event reports describe events observed during the trial — not all are caused by the drug.
Arm B (Carboplatin or Cisplatin + Pemetrexed)
Serious: 91/274 (33%)
Deaths: 189/286
Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed
This is a randomized, Phase III, multicenter, open-label study designed to evaluate the safety and efficacy of atezolizumab in combination with cisplatin or carboplatin + pemetrexed compared with treatment with cisplatin or carboplatin + pemetrexed in participants who are chemotherapy-naive and have Stage IV non-squamous NSCLC. Eligible participants will be randomized by a 1:1 ratio into 2 groups: Arm A (Atezolizumab + Carboplatin or Cisplatin + Pemetrexed) and Arm B (Carboplatin or Cisplatin + Pemetrexed). The study will be conducted in two phases: Induction Phase and Maintenance Phase.
Publications & conference data
8 peer-reviewed publications reference this trial (live from Europe PMC):
NCT07388524 — Testing the Impact of an Anti-Cancer Drug, Atezolizumab, After Surgery to Prevent Early Stage Non-small Cell Lung Cancer
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· not yet recruiting
NCT07322341 — SX-682 and Atezolizumab for the Treatment of Advanced or Metastatic, Recurrent Non-small Cell Lung Cancer
· Phase 2
· not yet recruiting
NCT07339059 — Phase II Study of Sacituzumab Govitecan With Atezolizumab/Durvalumab as Maintenance Therapy for Extensive-Stage Small Ce
· Phase 2
· recruiting
NCT07461675 — Effects of Neoadjuvant Immunotherapy on Anti-tumour Immunity in Hepatocellular Carcinoma Patients Undergoing Liver Resec
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· not yet recruiting
NCT07291076 — A Study to Evaluate the Safety and Tolerability of Pumitamig Alone or In Combination With Ipilimumab in Participants Wit
· Phase 1, PHASE2
· recruiting
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Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
Sponsor: as reported to ClinicalTrials.gov by Hoffmann-La Roche
Last refreshed: 21 November 2023
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT02657434.