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Clinical Study of MK-4884 in Participants With Advanced or Metastatic Solid Tumors (MK-4884-001)

RecruitingPhase 1

A Phase 1 Open-label, Multicenter Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Preliminary Efficacy of MK-4884 in Participants With Advanced/Metastatic Solid Tumors

Who can join

Ages 18 and older · All sexes

Full eligibility criteria
Inclusion Criteria:

* Has a histologically or cytologically confirmed diagnosis of 1 of the following unresectable (locally advanced) and/or advanced (metastatic) solid tumors:
* Colorectal carcinoma (CRC)
* Renal cell carcinoma (RCC) that contains a clear cell component (with or without sarcomatoid and/or rhabdoid features)
* Nonsquamous non-small cell lung cancer (NSCLC)
* Biliary tract cancer (BTC) (intra-or extrahepatic cholangiocarcinoma (CCA)) or gallbladder cancer (GBC)
* Has measurable disease by Response Evaluation Criteria In Solid Tumors 1.1 (RECIST 1.1)
* Has adequate organ function
* Participants with human immunodeficiency virus (HIV) infection must have well controlled HIV on stable antiretroviral therapy (ART) for at least 4 weeks
* Participants who are hepatitis B surface antigen (HBsAg) positive are eligible if they have received Hepatitis B virus (HBV) antiviral therapy for at least 4 weeks, and have undetectable HBV viral load
* Participants with a history of Hepatitis C virus (HCV) infection are eligible if HCV viral load is undetectable

Exclusion Criteria:

* Has gastrointestinal malabsorption, a surgical procedure or a condition that could affect the absorption of the study drug
* Has a history of clinically significant cardiac, cardiovascular and/or cerebrovascular disease
* Has a serious nonhealing wound, ulcer, or bone fracture
* Has an active infection(s) requiring systemic therapy
* HIV-infected participants with a history of Kaposi's sarcoma and/or Multicentric Castleman's Disease
* Known additional malignancy that is progressing or has required active treatment within the past 2 years
* Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis
* Has a history of stem cell/solid organ transplant
* Has not adequately recovered from major surgery

About the study

Researchers are looking for new ways to treat certain types of advanced and/or metastatic solid tumors.

The main goal of this study is to learn about the safety of different doses of MK-4884 and if participants tolerate them.

What is being tested

Sponsor: Merck Sharp & Dohme LLC · Participants: 120 · Started: Jun 18, 2026

Contact the study team

Official record on ClinicalTrials.gov — NCT07600749

Locations in the U.S.

TexasNEXT Oncology ( Site 0151), San Antonio

Conditions

From ClinicalTrials.gov, data retrieved Sep 29, 2026. Each study sets its own eligibility; the study team decides who can join.