CT-95 for advanced cancers with mesothelin expression

Phase 1a/1b Study of CT-95 in Advanced Cancers Associated With Mesothelin Expression

PHASE1 · Context Therapeutics Inc. · NCT06756035

This study is testing a new treatment called CT-95 to see if it can help people with advanced cancers that have a specific protein called mesothelin.

Quick facts

PhasePHASE1
Study typeInterventional
Enrollment70 (estimated)
Ages18 Years and up
SexAll
SponsorContext Therapeutics Inc. (industry)
Drugs / interventionsCAR-T, chimeric antigen receptor
Locations8 sites (Denver, Colorado and 7 other locations)
Trial IDNCT06756035 on ClinicalTrials.gov

What this trial studies

This Phase 1a/1b open-label trial evaluates the safety and efficacy of CT-95, a humanized T cell engaging bispecific antibody targeting mesothelin, in patients with advanced solid tumors that express mesothelin. The study consists of a dose escalation phase to determine the maximum tolerated dose and a dose expansion phase to further assess the drug's effectiveness in specific cancer types. Participants will receive CT-95 intravenously once a week over a four-week cycle. The trial aims to provide insights into the drug's safety profile and potential therapeutic benefits for patients with advanced cancers.

Who should consider this trial

Good fit: Ideal candidates include individuals with advanced mesothelin-expressing tumors who have an ECOG performance status of 0 or 1.

Not a fit: Patients with uncontrolled infections, prior treatment with specific targeted therapies, or concurrent participation in other trials may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could offer a new therapeutic option for patients with advanced cancers associated with mesothelin expression.

How similar studies have performed: While this approach is novel in targeting mesothelin with a bispecific antibody, similar studies targeting other tumor markers have shown promising results.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* ECOG 0 or 1
* Subjects with evaluable disease per RECIST 1.1 or mRECIST
* Subjects with adequate organ function.
* Subjects with advanced cancers associated with mesothelin expression

Exclusion Criteria:

* Uncontrolled significant active infection or any medical or other condition that in opinion of the investigator would preclude the subject's participation in the study.
* Prior treatment with MSLN-targeted CD3 or chimeric antigen receptor T cell (CAR-T) therapy
* Concurrent participation in another investigational clinical trial.
* Evidence of leptomeningeal disease

Where this trial is running

Denver, Colorado and 7 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Mesothelin-Expressing Tumors, Epithelial Ovarian Cancer, Malignant Pleural Mesothelioma, Advanced, Malignant Peritoneal Mesothelioma, Advanced, Pancreatic Adenocarcinoma Advanced or Metastatic, Lung Adenocarcinoma Metastatic, Cholangiocarcinoma Advanced, Cholangiocarcinoma Non-resectable

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.