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Study of the CHK1 Inhibitor BBI-355, an ecDNA-directed Therapy (ecDTx), and the RNR Inhibitor BBI-825, in Subjects With Tumors With Oncogene Amplifications
Sponsor: Boundless Bio, Inc.
Summary
BBI-355 is an oral, potent, selective checkpoint kinase 1 (or CHK1) small molecule inhibitor in development as an ecDNA (extrachromosomal DNA) directed therapy (ecDTx). BBI-825 is an oral, potent, selective ribonucleotide reductase (or RNR) small molecule inhibitor. This is a first-in-human, open-label, 2-part, Phase 1/2 study to determine the safety profile and identify the maximum tolerated dose and recommended Phase 2 dose of BBI-355 administered as a single agent or in combination with BBI-825 or other select therapies.
Official title: An Open-Label, Multicenter, First-in-Human, Dose-Escalation and Dose-Expansion, Phase 1/2 Study of BBI-355 and BBI-355 in Combination With Select Targeted Therapies in Subjects With Locally Advanced or Metastatic Solid Tumors With Oncogene Amplifications
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
85
Start Date
2023-03-24
Completion Date
2027-03-31
Last Updated
2026-01-23
Healthy Volunteers
No
Conditions
Interventions
BBI-355
Oral CHK1 inhibitor
Erlotinib
EGFR Inhibitor
Futibatinib
FGFR1-4 Inhibitor
BBI-825
Oral RNR Inhibitor
Locations (16)
UCLA Medical Center
Los Angeles, California, United States
Sarcoma Oncology
Santa Monica, California, United States
HealthONE
Denver, Colorado, United States
Florida Cancer Specialists
Lake Mary, Florida, United States
The University of Kansas
Fairway, Kansas, United States
Beth Israel Deaconess Medical Center
Boston, Massachusetts, United States
Dana Farber Cancer Institute
Boston, Massachusetts, United States
START Midwest
Grand Rapids, Michigan, United States
Memorial Sloan Kettering Cancer Center
New York, New York, United States
SCRI Oncology Partners
Nashville, Tennessee, United States
MD Anderson Cancer Center
Houston, Texas, United States
NEXT Oncology - Dallas
Irving, Texas, United States
NEXT Oncology
San Antonio, Texas, United States
NEXT Oncology
Fairfax, Virginia, United States
University of Washington, Fred Hutchinson Cancer Center
Seattle, Washington, United States
University of Wisconsin
Madison, Wisconsin, United States