About this trial

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 mastocytosis (AdvSM) who have received and failed or been intolerant to at least one standard approved therapy and/or have no comparable or satisfactory alternative therapy options.

Eligibility criteria

Qualifiers

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

Disqualifiers

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

Trial design

Treatments tested in this trial

  • Bezuclastinib

Treatment groups

No treatment groups listed

Locations

23
California
Orso Health/Modena Asthma Allergy92037, La Jolla United States
Scripps Green Hospital92037, La Jolla United States
UCLA Ronald Reagan Medical Center90095, Los Angeles United States
Illinois
Sneeze Wheeze & Itch Associates LLC Clinical Research Center61761, Normal United States

Sponsors and collaborators

Cogent Biosciences, Inc.

Lead sponsor