RecruitingPhase 1NCT06778863

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

GUARDIAN-101: A Phase 1 Dose Escalation and Expansion Study of CLSP-1025 in Adult Patients With Solid Tumors That Harbor the p53 R175H Mutation


Sponsor

Clasp Therapeutics, Inc.

Enrollment

90 participants

Start Date

Feb 28, 2025

Study Type

INTERVENTIONAL

Conditions

Summary

Phase 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.


Eligibility

Min Age: 18 Years

Inclusion Criteria8

  • Patients must be at least 18 years of age at the time of signing the informed consent.
  • Patients must be willing and able to provide written informed consent
  • Patients must have locally advanced or metastatic solid tumors that have progressed after standard of care therapy or for which no standard therapy exists
  • Tumors must harbor a TP53 R175H variant mutation confirmed by an accredited laboratory-based test
  • Patients must be HLA-A\*02:01 positive by central assay
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 1 at the time of enrollment
  • Adequate hematological, renal and hepatic function
  • Per Investigator judgement, patient is willing and able to complete study visits and/or procedures per the protocol and comply with study requirements for study participation

Exclusion Criteria6

  • Patients with Li-Fraumeni syndrome or other known germline p53 R175H mutation
  • Patients who have received other p53 R175H-directed therapies
  • Patients who have not fully recovered from adverse events due to previous anticancer therapies
  • Patients with active infection requiring systemic antimicrobial therapy
  • Any other primary malignancy within the 2 years prior to enrollment (except for non- melanoma skin cancer, carcinoma in situ (eg, cervix, bladder, breast) or prostate cancer in remission.
  • Known active central nervous system metastases and/or carcinomatous meningitis

Interventions

DRUGCLSP-1025

CLSP-1025 will be administered by IV infusion


Locations(21)

HonorHealth Research Institute

Scottsdale, Arizona, United States

The University of Arizona Cancer Center

Tucson, Arizona, United States

USC - Norris Comprehensive Cancer Center

Los Angeles, California, United States

University of California Davis Comprehensive Cancer Center

Sacramento, California, United States

University of California San Francisco

San Francisco, California, United States

University of Miami - Sylvester Comprehensive Cancer Center

Miami, Florida, United States

The University of Chicago Comprehensive Cancer Center

Chicago, Illinois, United States

University of Kentucky Markey Cancer Center

Lexington, Kentucky, United States

Johns Hopkins - Sidney Kimmel Comprehensive Cancer Center

Baltimore, Maryland, United States

Hackensack University Medical Center

Hackensack, New Jersey, United States

NYU Langone Health

New York, New York, United States

Memorial Sloan Kettering Cancer Center

New York, New York, United States

Duke Cancer Institute

Durham, North Carolina, United States

Thomas Jefferson University, Sidney Kimmel Cancer Center

Philadelphia, Pennsylvania, United States

Fox Chase Cancer Center

Philadelphia, Pennsylvania, United States

Sarah Cannon Research Institute (SCRI) Oncology Partners

Nashville, Tennessee, United States

Vanderbilt University Medical Center

Nashville, Tennessee, United States

Mary Crowley Cancer Research

Dallas, Texas, United States

Baylor University Medical Center

Dallas, Texas, United States

MD Anderson Cancer Center

Houston, Texas, United States

Fred Hutchinson Cancer Center

Seattle, Washington, United States

View Full Details on ClinicalTrials.gov

For the most up-to-date information, visit the official listing.

Visit

NCT06778863


Related Trials