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HC-7366

Phase 1

Renal Cell Carcinoma | Small molecule | Oncology |Merck & Company, Inc.|Last Updated: Jan 15, 2026

Success Probability

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Market & Valuation

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Trial Design

CONTROLLEDBiomarker
Total Trials1
Total Enrollment80

FDA Designations

No designations recorded

Clinical trial landscape

HC-7366 · 1 trial · 1 indication

Phase 1 1
NCT06234605A Study of HC-7366 in Combination With Belzutifan (WELIREG™) in Patients With Renal Cell CarcinomaRenal Cell Carcinoma
RECRUITING80 Analytics
PHASE1RECRUITING
A Study of HC-7366 in Combination With Belzutifan (WELIREG™) in Patients With Renal Cell Carcinoma
Renal Cell CarcinomaUnlock trial analytics

Study Endpoints

Primary Endpoints

Determination of MTD and RP2D (combination cohorts only)
30 months

To identify the maximum tolerated dose (MTD) and/ or recommended Phase 2 dose (RP2D), and evaluate the safety, tolerability and dose-limiting toxicities (DLTs) of HC-7366 in combination with belzutifan in patients with locally advanced (inoperable) or metastatic RCC with predominantly clear cell histology irrespective of VHL gene mutation status

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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
MonotherapyEXPERIMENTALParticipants will receive HC-7366 monotherapy \[dose to be determined\] daily
CombinationEXPERIMENTALParticipants will receive HC-7366 monotherapy \[dose to be determined\] in combination with belzutifan \[120 mg\] daily

Interventions

NameTypeDescription
HC-7366DRUGHC-7366 is a novel, orally administered, highly selective and potent general control nonderepressible 2 (GCN2) kinase activator.
BelzutifanDRUGBelzutifan is a potent and selective HIF-2α inhibitor
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites20

Inclusion Criteria: * Has diagnosis of locally advanced (inoperable) or metastatic RCC with a predominant clear cell component * Be age 18 years or older (male or female) at the time of consent

Countries:United States
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Frequently asked questions about HC-7366

What is HC-7366 used for?

HC-7366 is an investigational small molecule being studied for the treatment of Renal Cell Carcinoma. It is currently in Phase 1 clinical development, and the ongoing trial evaluates HC-7366 in combination with belzutifan (WELIREG) in patients with this type of cancer.

Who makes HC-7366?

HC-7366 is being developed by Merck & Company, Inc., which trades under the ticker symbol MRK. The company is conducting a Phase 1 clinical trial of HC-7366 in combination with belzutifan for Renal Cell Carcinoma.

What phase is HC-7366 in?

HC-7366 is in Phase 1 clinical development. It is an investigational drug and has not been approved by the FDA. The current Phase 1 trial is recruiting participants with Renal Cell Carcinoma in the United States.

What clinical trials is HC-7366 in?

HC-7366 is being studied in a single Phase 1 clinical trial with the identifier NCT06234605. This trial is titled 'A Study of HC-7366 in Combination With Belzutifan (WELIREG™) in Patients With Renal Cell Carcinoma' and is currently recruiting participants in the United States.

Is HC-7366 being studied in a controlled trial?

Yes, the Phase 1 clinical trial of HC-7366 (NCT06234605) is a controlled trial. It is not randomized or double-blind, and it enrolls approximately 80 participants aged 18 years and older with Renal Cell Carcinoma. The trial is biomarker-selected.