CompletedPhase 1 / Phase 2NCT05795595

A Safety and Efficacy Study Evaluating CTX131 in Adult Subjects With Relapsed or Refractory Solid Tumors

This is an open-label, multicenter, Phase 1/2 study evaluating the safety and efficacy of CTX131™ in subjects with relapsed or refractory solid tumors.

Checked against the public recordLast updated Nov 26, 2025 · Source: ClinicalTrials.gov

StatusCompleted
PhasePhase 1 / Phase 2
U.S. locations7
SponsorCRISPR Therapeutics AG
01
Study overview

What this study is about

Purpose
Treatment
Study type
Interventional
Phase
Phase 1 / Phase 2
Sponsor
CRISPR Therapeutics AG
Interventions being studied
Biological: CTX131
02
Explore related studies

How this study is categorized

These labels come from structured fields and exact terms in the public record.

03
Public criteria

Who may be able to participate

Key Inclusion Criteria: 1. Age ≥18 years. 2. Unresectable or metastatic, relapsed/refractory, clear cell renal cell carcinoma, cervical carcinoma, pancreatic adenocarcinoma, esophageal carcinoma, and malignant pleural mesothelioma. 3. Eastern Cooperative Oncology Group performance status 0 or 1. 4. Adequate renal, liver, cardiac and pulmonary organ function. 5. Female subjects of childbearing potential and male subjects must agree to use acceptable method(s) of contraception from enrollment through at least 12 months after CTX131 infusion. Key Exclusion Criteria: 1. Prior treatment with anti-CD70 targeting agents 2. History of certain central nervous system (CNS), cardiac or pulmonary conditions. 3. Presence of uncontrolled bacterial, viral, or fungal infection. 4. Active HIV, hepatitis B virus or hepatitis C virus infection. 5. Primary immunodeficiency disorder or active autoimmune disease requiring steroids and/or other immunosuppressive therapy. 6. Women who are pregnant or breastfeeding.

Important: This is the sponsor’s public criteria, not a determination of eligibility. The study team must review your individual situation.

04
Study sites

U.S. locations

  • Research Site 3Duarte, California
  • Research Site 7Chicago, Illinois
  • Research Site 6Boston, Massachusetts
  • Research Site 2St Louis, Missouri
  • Research Site 4Durham, North Carolina
  • Research Site 1Nashville, Tennessee
  • Research Site 5Houston, Texas

Source and freshness
Processed from ClinicalTrials.gov. Last public update: Nov 26, 2025. Always confirm current availability with the study team.

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