KEYMAKER-U01 Substudy 3: Efficacy and Safety Study of Pembrolizumab (MK-3475) When Used With Investigational Agents in Participants With Advanced Non-small Cell Lung Cancer (NSCLC), Previously Treated With Anti-programmed Cell Death Receptor Ligand 1 (PD-L1) Therapy (MK-3475-01C/KEYMAKER-U01C)
Part of paid clinical trials in Gilbert, Arizona.
- Sponsor
- Merck Sharp & Dohme LLC
- Study ID
- NCT04165096
- Phase
- PHASE2
- Status
- Completed
Conditions
- Carcinoma, Non-Small-Cell Lung
Eligibility Criteria
- Sex
- ALL
- Age
- 18 Years - N/A
- Healthy Volunteers
- Not accepted
Interventions
- Pembrolizumab — BIOLOGICALIV infusion
- Boserolimab — BIOLOGICALIV infusion
- MK-4830 — BIOLOGICALIV infusion
- diphenhydramine — DRUGPO
- acetaminophen — DRUGPO
- MK-0482 — BIOLOGICALIV infusion
Study Details
The purpose of this study is to assess the efficacy and safety of pembrolizumab (MK-3475) in combination with boserolimab (MK-5890), MK-4830, MK-0482 in participants with advanced squamous or non-squamous NSCLC that have been previously treated with anti-PD-L1 therapy. This study is one of three pembrolizumab substudies being conducted under one pembrolizumab umbrella master protocol (MK-3475-U01/KEYMAKER-U01).
Key Dates
- Start date
- Jan 21, 2020
- Status verified
- Apr 2026
- Primary completion
- Apr 30, 2025
- Completion
- May 28, 2025
Study Design
- Enrollment
- 128 participants (actual)
- Allocation
- RANDOMIZED
- Intervention model
- PARALLEL
- Primary purpose
- TREATMENT
Arms
- Experimental: Pembrolizumab + BoserolimabOn Day 1 of each 3-week cycle, participants receive pembrolizumab 200 mg intravenously (IV) PLUS boserolimab IV for a maximum of 35 cycles (approximately 2 years). All participants are premedicated 1.5 hours (±30 minutes) before infusion of boserolimab with 50 mg oral (PO) diphenhydramine (or equivalent dose of antihistamine) and 500-1000 mg of acetaminophen PO (or equivalent dose of analgesic).
- Experimental: Pembrolizumab + MK-4830On Day 1 of each 3-week cycle, participants receive pembrolizumab 200 mg intravenously (IV) PLUS MK-4830 IV for a maximum of 35 cycles (approximately 2 years).
- Experimental: Pembrolizumab + MK-0482On Day 1 of each 3-week cycle, participants receive pembrolizumab 200 mg intravenously (IV) PLUS MK-0482 IV for a maximum of 35 cycles (approximately 2 years).
Primary Outcome Measure
Objective Response Rate (ORR) According to Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1) [ Time Frame: Up to approximately 53 months ]
Locations (18)
Related coverage on Hipa.ai
- Pembrolizumab + MK-4830 Shows 11.1% ORR in Advanced NSCLCPembrolizumab · May 13, 2026 · ClinicalTrials.gov
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