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RECRUITING
NCT07228247
PHASE1/PHASE2

A Phase Ⅰ/Ⅱa Study of HMPL-A251 in Participants With Advanced or Metastatic HER2-expressing Solid Tumors

Sponsor: Hutchmed

View on ClinicalTrials.gov

Summary

This is a first-in-human (FIH), phase Ⅰ/Ⅱa, open-label, multicenter clinical study of HMPL-A251 monotherapy in adult participants with unresectable, advanced or metastatic HER2-expressing solid tumors.

Official title: A Phase Ⅰ/Ⅱa Study to Evaluate the Safety, Tolerability, Pharmacokinetics, Immunogenicity and Preliminary Efficacy of HMPL-A251 in Participants With Advanced or Metastatic HER2-Expressing Solid Tumors

Key Details

Gender

All

Age Range

18 Years - Any

Study Type

INTERVENTIONAL

Enrollment

147

Start Date

2025-12-16

Completion Date

2028-12-31

Last Updated

2025-12-29

Healthy Volunteers

No

Interventions

DRUG

HMPL-A251

Six dose cohorts are planned for the Dose Escalation phase; at least three participants with solid tumors will be enrolled in each dose cohort. Bayesian optimal interval design with backfill (BF-BOIN, Zhao, 2023) will be used to guide dose escalation and determine the MTD and/or RDE of HMPL-A251. All study participants will receive HMPL-A251 as IV infusion until PD, intolerable toxicity, or other protocol-specified criteria for ending study treatment, whichever occurs first.

DRUG

HMPL-A251

Participants will be randomized in a 1:1 ratio to receive treatment in two RDEs levels (approximately 15 participants per dose level) for each cohort. All study participants will receive HMPL-A251 as IV infusion until PD, intolerable toxicity, or other protocol-specified criteria for ending study treatment, whichever occurs first.

Locations (11)

SCRI HealthONE

Denver, Colorado, United States

BRCR Global

Plantation, Florida, United States

Memorial Sloan Kettering Cancer Center

New York, New York, United States

Cleveland Clinic Taussig Cancer Center

Cleveland, Ohio, United States

Vanderbilt University Medical Center

Nashville, Tennessee, United States

Peking University First Hospital

Beijing, China

Hunan Cancer Hospital

Changsha, China

Fujian Cancer Hospital

Fujian, China

Sun Yat-sen University Cancer Center

Guangzhou, China

The First Affiliated Hospital of Anhui Medical University

Hefei, China

Henan Cancer Hospital

Zhengzhou, China