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Boundless Bio, Inc. (BOLD)

Boundless Bio, Inc., a clinical-stage oncology company, focuses on developing innovative cancer therapies aimed at addressing the significant unmet needs of patients with oncogene amplified tumors. Their core strategy involves targeting extrachromosomal DNA (ecDNA). The company's lead product candidate, BBI-355, an orally administered inhibitor of checkpoint kinase 1 (CHK1), is currently in Phase 1/2 clinical trials for patients suffering from oncogene amplified cancers. Additionally, Boundless Bio is advancing BBI-825, another oral inhibitor, this one targeting ribonucleotide reductase (RNR), also in Phase 1/2 clinical development for cancer patients exhibiting resistance gene amplifications. A third initiative, the ecDTx 3 program, is designed to target a kinesin crucial for the cellular segregation mechanism of ecDNA. Incorporated in 2018, the company originally operated as Pretzel Therapeutics, Inc. before adopting the name Boundless Bio, Inc. in July 2019. Its headquarters are situated in San Diego, California.

Sector: Pharmaceutical Preparations

Industry: Biotechnology

Boundless Bio, Inc. logo

Boundless Bio, Inc.

NASDAQ:BOLDHealthcare
-0.40%$2.47
AH$2.47+0.00%vs close
Mkt Cap$56.19M
Float19.4M
O/S22.75M
Vol
$ Vol
RVOL
Inst Own68.2%
SI4.1%
Earnings
Dilution
Pipeline3 lead-sponsored trials·0 active0 completed

Trials need funding. See this company's dilution risk and cash position.

Clinical Trials
  • Phase 1
    Terminated

    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

    BBI-355, Erlotinib

    Triple Negative Breast Cancer (TNBC), High Grade Serous Ovarian Carcinoma +10

    Enrollment
    85
    Start
    Mar 2023
    Primary Completion
    Mar 2026
    Completion
    Mar 2026
    NCT05827614
  • Phase 1
    Terminated

    Study of the RNR Inhibitor BBI-825 in Subjects With Tumors With Resistance Gene Amplifications

    BBI-825

    Solid Tumor

    Enrollment
    19
    Start
    Mar 2024
    Primary Completion
    Jun 2025
    Completion
    Jun 2025
    NCT06299761
  • Phase 1
    Terminated

    Study of the Kinesin Oral Molecular Degrader BBI-940 in Subjects With Advanced or Metastatic Breast Cancer

    BBI-940, Fulvestrant

    Breast Cancer, Metastatic Breast Cancer +1

    Enrollment
    8
    Start
    Feb 2026
    Primary Completion
    Jul 2026
    Completion
    Jul 2026
    NCT07408089