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- W2541779494 abstract "For patients with advanced NSCLC without genetic driver alterations, cisplatin/carboplatin+pemetrexed is a standard-of-care first-line (1L) treatment for non-squamous histology; and cisplatin/carboplatin+gemcitabine for squamous histology. Although immunotherapies targeting PD-L1/PD-1 are currently available for 2L+ NSCLC, chemotherapy remains the main 1L option despite poor survival and toxicities. Atezolizumab, an anti–PDL1 mAb, prevents PD-L1 from interacting with its receptors PD-1 and B7.1, restoring tumor-specific T-cell immunity. Clinical efficacy was demonstrated with atezolizumab in non-squamous and squamous NSCLC, with Phase I and II studies exhibiting durable responses and survival benefit that increases with higher PD-L1 expression on tumor cells (TC) and/or tumor-infiltrating immune cells (IC). IMpower110, a global Phase III randomized, multicenter, open-label trial, will evaluate efficacy and safety of atezolizumab vs cisplatin/carboplatin+pemetrexed or gemcitabine as 1L therapy for PD-L1–selected chemotherapy-naive patients with advanced non-squamous or squamous NSCLC, respectively. Eligibility criteria include stage IV non-squamous or squamous NSCLC, measurable disease (RECIST v1.1), ECOG PS 0-1, no prior chemotherapy for advanced NSCLC and centrally-assessed PD-L1 expression ≥1% on TC or IC (TC1/2/3 or IC1/2/3 with VENTANA SP142 IHC assay; expected prevalence, ≈65%). Exclusion criteria include active or untreated CNS metastases, prior immune checkpoint blockade therapy or autoimmune disease. Patients will be randomized 1:1 to receive atezolizumab or cisplatin/carboplatin+pemetrexed (non-squamous)/gemcitabine (squamous) for 4 or 6 21-day cycles. Patients in comparator arms can receive pemetrexed (non-squamous)/best supportive care (squamous) until RECIST v1.1 disease progression. Patients receiving atezolizumab may continue until loss of clinical benefit. Co-primary endpoints are PFS and OS. Key secondary efficacy endpoints include ORR, DOR, IRF-assessed PFS (RECIST v1.1) and TTD. Safety and PK will also be evaluated. Tumor biopsies at RECIST v1.1 progression will be assessed for immunologic biomarkers associated with responses to atezolizumab and to differentiate non-conventional responses from radiographic progression.Tabled 1Planned enrollment, N570HistologyNon-squamousSquamousExperimental armAtezolizumab (1200 mg q3w)Comparator armCisplatin (75 mg/m2 IV q3w) + pemetrexed (500 mg/m2 IV q3w) or Carboplatin (AUC 6 mg/mL/min IV q3w) + pemetrexed (500 mg/m2 IV q3w)Cisplatin (75 mg/m2 IV q3w) + gemcitabine (1200 mg/m2 IV days 1, 8) or Carboplatin (AUC 5 mg/mL/min IV q3w) + gemcitabine (1000 mg/m2 IV days 1, 8)Stratification factors• Sex• ECOG• Histology (non-squamous vs squamous)• PD-L1 expression by IHCClinicalTrials.gov identifierNCT02409342 Open table in a new tab Section not applicable. Section not applicable." @default.
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- W2541779494 date "2017-01-01" @default.
- W2541779494 modified "2023-09-30" @default.
- W2541779494 title "P3.02c-042 IMpower110: Phase III Trial Comparing 1L Atezolizumab with Chemotherapy in PD-L1–Selected Chemotherapy-Naive NSCLC Patients" @default.
- W2541779494 doi "https://doi.org/10.1016/j.jtho.2016.11.1837" @default.
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