About this trial

This is a Phase 1, open-label, first-in-human study of CTX-8371 administered as a monotherapy in patients with metastatic or locally advanced malignancies. The study will be conducted in 2 cohorts: Dose Escalation and Dose Expansion.

Eligibility criteria

Qualifiers

Age 18 years or older

Patients must have a histologically or cytologically confirmed diagnosis of locally advanced unresectable or metastatic disease that is relapsed/refractory to standard therapy or for which no effective standard therapy is available, including

Malignant Melanoma (MM)

Patients who have progressed after a minimum of 2 doses of a PD-1/PD-L1 treatment. Study enrollment (C1D1) must be within 12 weeks of the last dose of the anti-PD-1/PD-L1 blocking antibody

Disqualifiers

Developed clinically significant adverse reaction to PD-1 or PD-L1 therapy, including immune related adverse reactions, which led to discontinuation of treatment

Systemic therapy with immunosuppressive agents within 7 days before the start of CTX-8371 treatment. Topical, intranasal, intraocular, or inhaled corticosteroids and physiologic replacement for patients with adrenal insufficiency are allowed

Patient is a pregnant or lactating WOCBP

Prior organ transplantation

Trial design

Treatments tested in this trial

  • CTX-8371

Treatment groups

85 Participants
are divided into 2 treatment groups

Locations

9
Florida
D&H Cancer Research Center33063, Margate United States
Florida Cancer Specialists - Lake Nona32827, Orlando United States
Florida Cancer Specialists - Sarasota34236, Sarasota United States
Georgia
University Cancer & Blood Center30607, Athens United States

Sponsors and collaborators

Compass Therapeutics

Lead sponsor