Four-year clinical update and treatment switching-adjusted outcomes with first-line nivolumab plus ipilimumab with chemotherapy for metastatic non-small cell lung cancer in the CheckMate 9LA randomized trial

© Author(s) (or their employer(s)) 2024. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ..

BACKGROUND: In CheckMate 9LA, nivolumab plus ipilimumab with chemotherapy prolonged overall survival (OS) versus chemotherapy regardless of tumor PD-L1 expression or histology. We report updated efficacy and safety in all randomized patients with a minimum 4-year follow-up and an exploratory treatment-switching adjustment analysis in all treated patients who received chemotherapy and subsequent immunotherapy.

METHODS: Adults with stage IV/recurrent non-small cell lung cancer (NSCLC), no sensitizing EGFR/ALK alterations, and ECOG performance status ≤1 were randomized 1:1 to nivolumab 360 mg every 3 weeks plus ipilimumab 1 mg/kg every 6 weeks with chemotherapy (two cycles) or chemotherapy (four cycles, with optional maintenance pemetrexed for the nonsquamous population). Assessments included OS, progression-free survival, and objective response rate. Exploratory analyses included efficacy by tumor PD-L1 expression and histology and in patients who discontinued nivolumab plus ipilimumab with chemotherapy due to treatment-related adverse events (TRAEs), and a treatment-switching adjustment analysis using inverse probability of censoring weighting.

RESULTS: With a 47.9-month minimum follow-up for OS, nivolumab plus ipilimumab with chemotherapy continued to prolong OS over chemotherapy in all randomized patients (HR 0.74, 95% CI 0.63 to 0.87; 4-year OS rate: 21% versus 16%), regardless of tumor PD-L1 expression (HR (95% CI): PD-L1<1%, 0.66 (0.50 to 0.86) and ≥1%, 0.74 (0.60 to 0.92)) or histology (squamous, 0.64 (0.48 to 0.84) and non-squamous, 0.80 (0.66 to 0.97)). In patients who discontinued all components of nivolumab plus ipilimumab with chemotherapy due to TRAEs (n=61), the 4-year OS rate was 41%. With treatment-switching adjustment for the 36% of patients receiving subsequent immunotherapy in the chemotherapy arm, the estimated HR of nivolumab plus ipilimumab with chemotherapy versus chemotherapy was 0.66 (95% CI 0.55 to 0.80). No new safety signals were observed.

CONCLUSIONS: In this 4-year update, patients treated with nivolumab plus ipilimumab with chemotherapy continued to have long-term, durable efficacy benefit over chemotherapy regardless of tumor PD-L1 expression and/or histology. A greater estimated relative OS benefit was observed after adjustment for subsequent immunotherapy use in the chemotherapy arm. These results further support nivolumab plus ipilimumab with chemotherapy as a first-line treatment for patients with metastatic/recurrent NSCLC, including those with tumor PD-L1<1% or squamous histology, populations with high unmet needs.

Medienart:

E-Artikel

Erscheinungsjahr:

2024

Erschienen:

2024

Enthalten in:

Zur Gesamtaufnahme - volume:12

Enthalten in:

Journal for immunotherapy of cancer - 12(2024), 2 vom: 12. Feb.

Sprache:

Englisch

Beteiligte Personen:

Carbone, David P [VerfasserIn]
Ciuleanu, Tudor-Eliade [VerfasserIn]
Schenker, Michael [VerfasserIn]
Cobo, Manuel [VerfasserIn]
Bordenave, Stéphanie [VerfasserIn]
Juan-Vidal, Oscar [VerfasserIn]
Menezes, Juliana [VerfasserIn]
Reinmuth, Niels [VerfasserIn]
Richardet, Eduardo [VerfasserIn]
Cheng, Ying [VerfasserIn]
Mizutani, Hideaki [VerfasserIn]
Felip, Enriqueta [VerfasserIn]
Zurawski, Bogdan [VerfasserIn]
Alexandru, Aurelia [VerfasserIn]
Paz-Ares, Luis [VerfasserIn]
Lu, Shun [VerfasserIn]
John, Thomas [VerfasserIn]
Zhang, Xiaoqing [VerfasserIn]
Mahmood, Javed [VerfasserIn]
Hu, Nan [VerfasserIn]
De, Tuli [VerfasserIn]
Santi, Irene [VerfasserIn]
Penrod, John R [VerfasserIn]
Yuan, Yong [VerfasserIn]
Lee, Adam [VerfasserIn]
Reck, Martin [VerfasserIn]

Links:

Volltext

Themen:

31YO63LBSN
B7-H1 Antigen
Clinical trials, phase III as topic
Drug therapy, combination
Immunotherapy
Ipilimumab
Journal Article
Nivolumab
Non-small cell lung cancer
Programmed cell death 1 receptor
Randomized Controlled Trial

Anmerkungen:

Date Completed 14.02.2024

Date Revised 15.02.2024

published: Electronic

Citation Status MEDLINE

doi:

10.1136/jitc-2023-008189

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM368369900