findmyKOL
Clinical trialNCT05827614TerminatedPhase 1Interventional

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

SponsorBoundless Bio, Inc.Enrollment85Anogenital CancerCervical Squamous Cell CarcinomaCutaneous Squamous Cell Carcinoma (CSCC)ER+ Breast CancerHead and Neck (HNSCC)High Grade Endometrial Carcinoma+6 more conditions
View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

16 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • 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

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
24 Mar 2023
Primary completion
17 Mar 2026
Completion
17 Mar 2026
Last update posted
8 Jun 2026
Registered enrollment
85
Registry id
NCT05827614

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.