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A Multicenter, Randomized, Double-Blind, Phase 2, Basket Study of MK-4280A, a Coformulation of Favezelimab (MK-4280) with Pembrolizumab (MK-3475) in Selected Solid Tumors (KeyForm-010)

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-505022-34-00
Acronym
MK-4280A-010
Enrollment
19
Registered
2023-10-31
Start date
2024-03-27
Completion date
Unknown
Last updated
2025-12-05

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

Conditions

Neoplasm malignant

Brief summary

Clinical Benefit - Cohort A, Objective Response Rate (ORR) per Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1) as assessed by Investigator – Cohort B

Detailed description

Pathologic Complete Response (pCR) – Cohort A, Major Pathologic Response (mPR) - Cohort A, ORR per RECIST 1.1 as assessed by Investigator - Cohort A, Number of participants with an adverse event (AE) - Cohorts A and B, Number of participants discontinuing from study therapy due to AE - Cohorts A and B, Number of participants experiencing perioperative complications - Cohort A, Number of participants with an AE that precludes surgery - Cohort A

Interventions

DRUGLenvatinib
DRUGKEYTRUDA 25 mg/mL concentrate for solution for infusion

Sponsors

Merck Sharp & Dohme LLC
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Clinical Benefit - Cohort A, Objective Response Rate (ORR) per Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1) as assessed by Investigator – Cohort B

Secondary

MeasureTime frame
Pathologic Complete Response (pCR) – Cohort A, Major Pathologic Response (mPR) - Cohort A, ORR per RECIST 1.1 as assessed by Investigator - Cohort A, Number of participants with an adverse event (AE) - Cohorts A and B, Number of participants discontinuing from study therapy due to AE - Cohorts A and B, Number of participants experiencing perioperative complications - Cohort A, Number of participants with an AE that precludes surgery - Cohort A

Countries

France, Germany, Italy, Netherlands

Outcome results

None listed

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