Status:

AVAILABLE

Expanded Access to Bezuclastinib for Patients With NonAdvanced Systemic Mastocytosis or Advanced Systemic Mastocytosis

Lead Sponsor:

Cogent Biosciences, Inc.

Conditions:

Systemic Mastocytoses, Indolent

Systemic Mastocytoses, Aggressive

Eligibility:

All Genders

18+ years

Brief Summary

The purpose of this expanded access program (EAP) protocol is to provide investigational bezuclastinib to patients with a diagnosis of nonadvanced systemic mastocytosis (NonAdvSM) or advanced systemic...

Eligibility Criteria

Inclusion

  • Key
  • Able to provide written informed consent and commit to EAP assessments.
  • ≥18 years of age.
  • Able to swallow tablets.
  • Diagnosed with ASM, SM-AHN, MCL, BMM, ISM, or SSM according to the 2022 WHO Classification for SM
  • Not receiving adequate disease control on current therapy(ies).
  • Have clinically acceptable laboratory screening results.

Exclusion

  • Patients who are eligible for and/or enrolled in an on-going bezuclastinib clinical trial.
  • Patients who discontinued investigational use of bezuclastinib in previous clinical trials due to toxicity or withdrawal of consent.
  • Pregnant or currently breastfeeding.
  • Prior or ongoing clinically significant illness or medical or physical condition
  • Other protocol-defined criteria apply.

Key Trial Info

Start Date :

Trial Type :

EXPANDED_ACCESS

End Date :

Estimated Enrollment :

Patients enrolled

Trial Details

Trial ID

NCT06915766

Last Update

November 5 2025

Active Locations (10)

Enter a location and click search to find clinical trials sorted by distance.

Page 1 of 3 (10 locations)

1

Orso Health/Modena Asthma Allergy

La Jolla, California, United States, 92037

2

Indiana University Health

Indianapolis, Indiana, United States, 46202

3

Walter Reed

Bethesda, Maryland, United States, 20889

4

AllerVie Health

Glenn Dale, Maryland, United States, 20769