About this trial

In this clinical trial, the safety, tolerability, and preliminary antitumor activity of ziftomenib in combination with imatinib will be evaluated in adults with gastrointestinal stromal tumors (GIST) who have been treated previously with imatinib.

Eligibility criteria

Qualifiers

Documented diagnosis of advanced/metastatic KIT-mutant GIST.

Documented disease progression on imatinib as current or prior therapy.

Eastern Cooperative Oncology Group (ECOG) performance status of ≤2 at screening.

At least 1 measurable lesion per RECIST v1.1 modified for GIST.

Disqualifiers

Diagnosis of GIST without a KIT mutation or with a T670X KIT mutation.

History of prior or current cancer that has potential to interfere with obtaining study results.

Received a prohibited medication, including investigational therapy, less than 14 days or within 5 drug half-lives before the first dose of study intervention.

Active central nervous system metastases.

Trial design

Treatments tested in this trial

  • ziftomenib
  • imatinib mesylate

Treatment groups

157 Participants
are divided into 3 treatment groups

Locations

32
Alabama
University of Alabama at Birmingham35233, Birmingham United States
Arizona
Mayo Clinic Cancer Center85054, Phoenix United States
California
University of California, San Diego92093, La Jolla United States
University of Southern California90033, Los Angeles United States

Sponsors and collaborators

Kura Oncology, Inc.

Lead sponsor