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A Randomized, Double-Blind Phase 2/3 Study of Fianlimab (Anti-LAG-3 antibody) in Combination with Cemiplimab (Anti-PD-1 antibody) versus Cemiplimab Monotherapy in First-Line Treatment of Patients with Advanced Non-Small Cell Lung Cancer (NSCLC) with Tumors Expressing PD-L1 ≥50%

Status
Recruiting
Phases
Phase 2Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2022-501483-18-00
Acronym
R3767-ONC-2235
Enrollment
102
Registered
2024-05-20
Start date
2025-03-28
Completion date
Unknown
Last updated
2025-07-28

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

Conditions

Advanced Non-Small Cell Lung Cancer

Brief summary

Objective response rate (ORR) as assessed by blinded independent central review (BICR), using Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST 1.1) (Phase 2), Overall survival (OS) (Phase 3)

Detailed description

Incidence of treatment-emergent adverse events (TEAEs) (Phase 2 and Phase 3), Incidence of treatment-related TEAEs (Phase 2 and Phase 3), Incidence of serious adverse events (SAEs) (Phase 2 and Phase 3), Incidence of adverse events of special interest (AESIs) (Phase 2 and Phase 3), Incidence of immune-mediated adverse events (imAEs) (Phase 2 and Phase 3), Occurrence of interruption of study drug(s) due to TEAEs (Phase 2 and Phase 3), Occurrence of discontinuation of study drug(s) due to TEAEs (Phase 2 and Phase 3), Occurrence of interruption of study drug(s) due to AESIs (Phase 2 and Phase 3), Occurrence of discontinuation of study drug(s) due to AESIs (Phase 2 and Phase 3), Occurrence of interruption of study drug(s) due to imAEs (Phase 2 and Phase 3), Occurrence of discontinuation of study drug(s) due to imAEs (Phase 2 and Phase 3), Incidence of deaths due to TEAE (Phase 2 and Phase 3), Incidence of grade 3 to 4 laboratory abnormalities (Phase 2 and Phase 3), ORR by investigator assessment, using RECIST 1.1 (Phase 2), Disease control rate (DCR) by BICR (Phase 2 and Phase 3), DCR by investigator assessment (Phase 2 and Phase 3), Time to tumor response (TTR) by BICR (Phase 2 and Phase 3), TTR by investigator assessment (Phase 2 and Phase 3), Duration of response (DOR) by BICR (Phase 2 and Phase 3), DOR by investigator assessment (Phase 2 and Phase 3), Progression free survival (PFS) by BICR (Phase 2 and Phase 3), PFS by investigator assessment (Phase 2 and Phase 3), Overall survival (OS) (Phase 2), Change from baseline in patient-reported Global health status/QoL per European Organization for Research and Treatment of Cancer Quality of Life Core Questionnaire (EORTC QLQ C30) (Phase 2 and Phase 3), Change from baseline in patient-reported physical functioning per EORTC QLQ C30 (Phase 2 and Phase 3), Change from baseline in patient-reported chest pain per European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Lung Cancer (EORTC QLQ-LC13) (Phase 2 and Phase 3), Change from baseline in patient-reported dyspnea per EORTC QLQ-LC13 (Phase 2 and Phase 3), Change from baseline in patient-reported cough per EORTC QLQ-LC13 (Phase 2 and Phase 3), Time until definitive deterioration in patient-reported global health status/QoL per EORTC QLQ-C30 (Phase 2 and Phase 3), Time until definitive deterioration in patient-reported physical functioning per EORTC QLQ-C30 (Phase 2 and Phase 3), Time until definitive deterioration in patient-reported chest pain per EORTC QLQ-LC13 (Phase 2 and Phase 3), Time until definitive deterioration in patient-reported dyspnea per EORTC QLQ-LC13 (Phase 2 and Phase 3), Time until definitive deterioration in patient-reported cough per EORTC QLQ-LC13 (Phase 2 and Phase 3), Time until definitive deterioration in patient-reported composite of chest pain, dyspnea and cough per EORTC QLQ-LC13 (Phase 2 and Phase 3), Change from baseline in patient-reported general health status per EuroQoL-5 Dimensions, 5-level Questionnaire-Visual Analogue Score (EQ-5D-5L VAS) (Phase 2 and Phase 3), Change from baseline in patient-reported severity with usual or daily activities due to fatigue per the Patient Reported Outcomes for Common Terminology Criteria for Adverse Events (PRO-CTCAE). (Phase 2 and Phase 3), Change from baseline in patient-reported interference with usual or daily activities due to fatigue per the Patient Reported Outcomes for Common Terminology Criteria for Adverse Events (PRO-CTCAE). (Phase 2 and Phase 3), Concentrations of cemiplimab in serum (Phase 2 and Phase 3), Concentrations of fianlimab in serum (Phase 2 and Phase 3), Immunogenicity, as measured by anti-drug antibodies (ADA) to fianlimab (Phase 2 and Phase 3), Immunogenicity, as measured by ADA to cemiplimab (Phase 2 and Phase 3), Immunogenicity, as measured by neutralizing antibodies (NAb) to fianlimab (Phase 2 and Phase 3), Immunogenicity, as measured by NAb to cemiplimab (Phase 2 and Phase 3)

Interventions

DRUGLIBTAYO 350 mg concentrate for solution for infusion.
DRUGFianlimab

Sponsors

Regeneron Pharmaceuticals Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Objective response rate (ORR) as assessed by blinded independent central review (BICR), using Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST 1.1) (Phase 2), Overall survival (OS) (Phase 3)

Secondary

MeasureTime frame
Incidence of treatment-emergent adverse events (TEAEs) (Phase 2 and Phase 3), Incidence of treatment-related TEAEs (Phase 2 and Phase 3), Incidence of serious adverse events (SAEs) (Phase 2 and Phase 3), Incidence of adverse events of special interest (AESIs) (Phase 2 and Phase 3), Incidence of immune-mediated adverse events (imAEs) (Phase 2 and Phase 3), Occurrence of interruption of study drug(s) due to TEAEs (Phase 2 and Phase 3), Occurrence of discontinuation of study drug(s) due to TEAEs (Phase 2 and Phase 3), Occurrence of interruption of study drug(s) due to AESIs (Phase 2 and Phase 3), Occurrence of discontinuation of study drug(s) due to AESIs (Phase 2 and Phase 3), Occurrence of interruption of study drug(s) due to imAEs (Phase 2 and Phase 3), Occurrence of discontinuation of study drug(s) due to imAEs (Phase 2 and Phase 3), Incidence of deaths due to TEAE (Phase 2 and Phase 3), Incidence of grade 3 to 4 laboratory abnormalities (Phase 2 and Phase 3), ORR by investigator asse

Countries

France, Greece, Romania, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026