Drugs / Quavonlimab
last change May 2026 re-read 9 days ago

Quavonlimab

Monoclonal antibody targets CTLA4 via inhibition

Developed for
melanoma · cancer · hepatocellular carcinoma · non-small cell lung carcinoma
Investigated by
Merck Sharp & Dohme LLC

Trials 5

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 1/23 trials · 1 missed
Phase 1/2 NCT04305054 Jul 2020 → May 2026 melanoma Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 1/2 NCT04305041 Jun 2020 → Aug 2025 melanoma Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 1/2 NCT03179436 Jul 2017 → Apr 2024 cancer Merck Sharp & Dohme LLC Completed Missed primary
Phase 22 trials · 1 met primary
Phase 2 NCT04740307 Mar 2021 → Jul 2025 hepatocellular carcinoma Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 2 NCT03516981 Oct 2018 → Jun 2025 non-small cell lung carcinoma Merck Sharp & Dohme LLC Completed Met primary

News releases announcing trial results or a regulatory action · 2

DateIssuerRelease
2026-04-21 Merck Sharp & Dohme LLC Results Merck and Eisai Provide Update on Phase 3 LITESPARK-012 Trial Evaluating First-Line Combination Treatments for Certain Patients With Advanced Renal Cell Carcinoma (RCC) merck.com ↗
At a pre-specified interim analysis, the combination regimens did not meet the dual primary endpoints of progression-free survival (PFS) and overall survival (OS) for the first-line treatment of patients with RCC compared to KEYTRUDA plus LENVIMA.
2020-10-16 Merck Sharp & Dohme LLC Results Merck Presents Three-Year Survival Data for KEYTRUDA® (pembrolizumab) in Combination With Chemotherapy and Updated Phase 1/2 Data for Investigational Quavonlimab (MK-1308) in Combination With KEYTRUDA in Advanced Non‑Small Cell Lung Cancer merck.com ↗
Additionally, updated follow-up data from a Phase 1/2 study of quavonlimab in combination with KEYTRUDA showed encouraging anti-tumor activity and an acceptable safety profile as first-line treatment in patients with advanced NSCLC (Poster #TS01.02).

Evidence & citations 7 cited values

Every value below carries the sentence it was read from. 8 sources stand behind the page.

FieldValueCited text
Known as Quavonlimab ClinicalTrials.gov intervention name — accepted as the source's own label NCT03516981 ↗
4

NCT04305041 ↗

NCT03179436 ↗

NCT04740307 ↗

NCT04305054 ↗

Known as MK-1308 ChEMBL registry synonym — accepted as the source's own label CHEMBL4650419 ↗
Known as QUAVONLIMAB COMPONENT OF MK-1308A ChEMBL registry synonym — accepted as the source's own label CHEMBL4650419 ↗
Action Inhibit “anti-CTLA-4 quavonlimab” PMID 37429923 ↗ Jul 2023
Modality Monoclonal antibody “anti-cytotoxic T-lymphocyte-associated antigen-4 monoclonal antibody quavonlimab” PMID 34371366 ↗ Jul 2021
Route Intravenous “Quavonlimab is administered intravenously (IV) during the Dose Escalation Phase and Dose Confirmation Phase at either DL1 or DL2, and is administered IV during the Efficacy...” NCT03179436 ↗
Target CTLA4 “anti-cytotoxic T-lymphocyte-associated antigen-4 monoclonal antibody quavonlimab” PMID 34371366 ↗ Jul 2021