OncoMatch

OncoMatch/Clinical Trials/NCT06778863

A Study of CLSP-1025 in Adult Patients With Solid Tumors That Harbor the p53 R175H Mutation

Is NCT06778863 recruiting? Yes, currently enrolling (May 2026). This Phase 1 trial studies CLSP-1025 for advanced solid tumor.

Phase 1RecruitingClasp Therapeutics, Inc.NCT06778863Data as of May 2026

Treatment: CLSP-1025Phase 1 dose escalation and expansion study of CLSP-1025, a first-in-class HLA-A\*02:01 specific T cell engager (TCE) targeting solid tumors that harbor the p53 R175H mutation.

Check if I qualify

Extracted eligibility criteria

Cancer type

Tumor Agnostic

Colorectal Cancer

Pancreatic Cancer

Non-Small Cell Lung Carcinoma

Ovarian Cancer

Breast Carcinoma

Head and Neck Squamous Cell Carcinoma

Prostate Cancer

Urothelial Carcinoma

Biomarker criteria

Required: TP53 R175H

Tumors must harbor a TP53 R175H variant mutation confirmed by an accredited laboratory-based test

Required: HLA-A A*02:01 positive

Patients must be HLA-A*02:01 positive by central assay

Performance status

ECOG 0–1(Restricted strenuous activity)

Prior therapy

Cannot have received: p53 r175h-directed therapy

Lab requirements

Blood counts

Kidney function

Liver function

Structured fields extracted by AI. May contain errors — verify against the official protocol.

US trial sites

  • HonorHealth Research Institute · Scottsdale, Arizona
  • The University of Arizona Cancer Center · Tucson, Arizona
  • USC - Norris Comprehensive Cancer Center · Los Angeles, California
  • University of California Davis Comprehensive Cancer Center · Sacramento, California
  • University of California San Francisco · San Francisco, California

Showing up to 5 US sites. See all sites on ClinicalTrials.gov →

Could you qualify for this trial?

Enter your biomarker results to see how this trial's eligibility criteria match your specific cancer profile.

Check if I qualify