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An Efficacy Study of Adjuvant Treatment With the Personalized Cancer Vaccine mRNA-4157 and Pembrolizumab in Participants With High-Risk Melanoma (KEYNOTE-942)

Active, not recruiting · Phase 2 · NCT03897881

Conditions: Melanoma

At a glance

Research payments reported, 2025
$1.7M
U.S. investigators named
20
Sites paid
21
Planned or actual enrollment
267

About the trial

Sponsor
ModernaTX, Inc. (with Merck Sharp & Dohme LLC)
Tested
mRNA-4157 (drug), Pembrolizumab (biological)
Dates
Started 2019-07-18; completion 2032-11-21
Results posted
Not yet

The purpose of this study is to assess whether postoperative adjuvant therapy with mRNA-4157 and pembrolizumab improves recurrence free survival (RFS) compared to pembrolizumab alone in participants with complete resection of cutaneous melanoma and a high risk of recurrence.

From ClinicalTrials.gov, last updated 2026-09-08. Full record, eligibility and contacts (opens in a new tab)

Industry funding

ModernaTX, Inc. reported $1.7M in research payments for this study in 2025 (307 payments).

Research payments usually go to hospitals, universities and research sites to run a study, not to the investigators personally. A payment is not evidence of wrongdoing.

U.S. investigators named on this study

Clinicians the company named as principal investigators in its Open Payments reports.

Sites paid to run it

Sources: CMS Open Payments research payments (program year 2025) and ClinicalTrials.gov, U.S. National Library of Medicine.