Phase 1 Ovarian Cancer Trial, Recruiting NCT06778863 Sponsor: Clasp Therapeutics, Inc. Condition: Ovarian Cancer
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Phase 1 Ovarian Cancer Trial, Recruiting

NCT06778863
Recruiting Phase 1

Who may be able to join

AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI

Who might be able to join this trial:

  • You must be at least 18 years old when you sign the consent form to participate.
  • You must be willing and able to sign a written consent form agreeing to take part.
  • You must have an advanced or spreading solid tumor cancer that has gotten worse after standard treatments, or where no standard treatment exists.
  • Your tumor must have a specific genetic change called "TP53 R175H mutation," confirmed by an approved laboratory test.
  • You must have a specific immune system marker called "HLA-A*02:01," confirmed by a central test.
  • You must be generally well enough to carry out daily activities with little or no limitation (a standard health scale called ECOG must score you at 0 or 1).
  • Your blood, kidney, and liver function must be at an acceptable level.
  • You must be willing and able to attend all required study visits and follow the study rules, in your doctor's judgment.

Who may not be able to join:

  • You cannot join if you have an inherited condition called Li-Fraumeni syndrome, or any other inherited form of the TP53 R175H genetic change.
  • You cannot join if you have previously received a treatment specifically targeting the TP53 R175H mutation.
  • You cannot join if you are still experiencing significant side effects from a previous cancer treatment.
  • You cannot join if you currently have an active infection that requires antibiotic or antifungal medication taken throughout the body.
  • You cannot join if you have had another separate cancer in the past 2 years, with some exceptions such as certain skin cancers, early-stage cancers that haven't spread, or prostate cancer that is in remission (confirm with trial site).
  • You cannot join if you have active cancer that has spread to the brain or the lining around the brain and spinal cord.

Important: Always verify eligibility with the trial site directly before applying.

Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.

This is a simplified plain English summary of the eligibility criteria. Full criteria are set by the trial investigators and may include additional requirements not shown here. Never self-exclude from a trial based on this summary. Contact the trial site directly to confirm your eligibility.
Last synced 26 July 2026
Phase 1: approximately ~10% of drugs entering this phase reach regulatory approval, based on published industry-wide historical data. This is not specific to this trial.
Phase success rates shown are historical industry-wide averages based on published data. They are not a prediction for this specific trial or your individual situation.

Contact this trial

Phone: +1-617-812-1431

Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.

GP referral letter

Print a one-page summary to share with your doctor.

Trial details

Status
Recruiting
Phase
Phase 1
Sponsor
Clasp Therapeutics, Inc.
Registry
ClinicalTrials.gov
Start date
28 February 2025
Est. completion
1 December 2027

Where this trial is recruiting

🇺🇸 United States

Primary endpoints

Part A: Determine the maximum tolerated dose (MTD) and/or the recommended dose(s) for expansion (RDE[s]); Part B: Evaluate the Objective response rate (ORR) of CLSP-1025 as a monotherapy in HLA-selected patients with advanced solid tumors that express the p53 R175H mutation

Can't join this trial?

Expanded access pathways

If this trial is not available to you, other access pathways may exist. In Australia, the TGA Special Access Scheme allows access to unapproved therapeutic goods for individual patients.

TGA Special Access Scheme information

Find other recruiting trials on ClinicalTrials.gov

Data last synced from ClinicalTrials.gov: 26 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.

Trial recruitment status can change without notice between our nightly data updates. Always contact the trial site directly to confirm current recruitment status before making any decisions or travel arrangements.

View original record on ClinicalTrials.gov