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Terminated Phase 1 Interventional Results available

A Study of mRNA-5671/V941 as Monotherapy and in Combination With Pembrolizumab (V941-001)

ClinicalTrials.gov ID: NCT03948763

Public ClinicalTrials.gov record NCT03948763. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 25, 2026, 9:22 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 1, Open-Label, Multicenter Study to Assess the Safety and Tolerability of mRNA-5671/V941 as a Monotherapy and in Combination With Pembrolizumab in Participants With KRAS Mutant Advanced or Metastatic Non-Small Cell Lung Cancer, Colorectal Cancer or Pancreatic Adenocarcinoma

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study will determine the safety and tolerability and establish a preliminary recommended Phase 2 dose of V941(mRNA-5671/V941) as a monotherapy and in combination with pembrolizumab infusion.

Study identification

NCT ID
NCT03948763
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 1
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Enrollment
70 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jun 26, 2019 (Actual)
Primary completion
Aug 25, 2022 (Actual)
Completion
Aug 25, 2022 (Actual)
Last update posted
Jan 28, 2025

2019 – 2022

United States locations

U.S. sites
10
U.S. states
8
U.S. cities
10
Facility City State ZIP Site status
Banner MD Anderson Cancer Center ( Site 1008) Gilbert Arizona 85234 —
City of Hope ( Site 1002) Duarte California 91010 —
University of California at San Francisco ( Site 1006) San Francisco California 30322 —
Smilow Cancer Hospital at Yale New Haven ( Site 1005) New Haven Connecticut 06510 —
Dana-Farber Cancer Institute (Boston) ( Site 1007) Boston Massachusetts 02215 —
Comprehensive Cancer Centers of Nevada ( Site 1012) Las Vegas Nevada 89169 —
Tennessee Oncology Nashville Drug Development Unit ( Site 7000) Nashville Tennessee 37203 —
START San Antonio ( Site 1004) San Antonio Texas 78229 —
Baylor Scott & White Medical Center - Temple ( Site 1009) Temple Texas 76508 —
Northwest Medical Specialties, PLLC ( Site 1001) Tacoma Washington 98405 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 16 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03948763, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jan 28, 2025 · Synced Oct 25, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03948763 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →