Under construction – not a live service
Sign in
Taking people in United StatesPhase 1

Tests bulumtatug fuvedotin in people with triple-negative breast cancer previously treated with ADCs

Tests bulumtatug fuvedotin in adults with triple-negative breast cancer after prior antibody-drug conjugate treatment.

Plain-language title generated from the registry record
Registry title: A Dose Randomization Study of Bulumtatug Fuvedotin in TNBC Patients Previously Treated With ADCs

Key facts

Where
Aurora, Boston, Chicago, Duarte, La Jolla, Nashville, and New York, United StatesSee the 7 sites
Phase
Phase 1

Where in United States

  • Anschutz Medical CenterAurora, United StatesTaking people
  • Massachusetts General HospitalBoston, United StatesNo longer taking part
  • UChicago Medicine Comprehensive Cancer CenterChicago, United StatesTaking people
  • City of HopeDuarte, United StatesTaking people
  • UCSD Moores Cancer CenterLa Jolla, United StatesTaking people
  • Sarah Cannon Research Institute SCRINashville, United StatesTaking people
  • Memorial Sloan-Kettering Cancer CenterNew York, United StatesTaking people

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?
Print a page for my doctor

Trial details

Who runs it
Mabwell (Shanghai) Bioscience Co., Ltd.
Trial code
NCT06908928
Record updated
28 October 2026
Original description
The goal of this clinical trial is to investigate if treatment with bulumtatug fuvedotin is effective in triple-negative breast cancer patients who have previously received treatment with an antibody-drug conjugates.Read full original descriptionShow less

An Open-Label, Multicenter, Phase Ib Dose Randomization Study of Bulumtatug Furvedotin (BFv; 9MW2821) in Subjects With Recurrent or Metastatic Triple-Negative Breast Cancer Previously Treated With Antibody-Drug Conjugates

The goal of this clinical trial is to investigate if treatment with bulumtatug fuvedotin is effective in triple-negative breast cancer patients who have previously received treatment with an antibody-drug conjugates.

Inclusion: Patient has measurable disease by RECIST v1.1; Recurrent or metastatic triple-negative breast cancer patients as per current ASCO/CAP guidelines; Patient has received prior treatment with a taxane and an antibody-drug conjugate with a topoisomerase inhibitor payload; Patient has received no more than 3 prior lines of cytotoxic therapy in the locally advanced or metastatic setting; Provision of archival tumor tissue or fresh tumor biopsy; Capable of giving informed consent; Male or female subjects aged ≥ 18 years; Subjects must be willing to receive blood transfusions if medically indicated; ECOG 0-1; Adequate hematologic and organ function; Life expectancy of at least 3 months as assessed by the investigator; Compliance with contraceptive requirement.

Exclusion: Have received any prior treatment with enfortumab vedotin, tisotumab vedotin or other MMAE based or nectin-4 targeted antibody-drug conjugates; Any systemic anticancer therapy in the last 28 days prior to first administration of study drug; Have received any strong CYP3A4 inhibitors within 14 days prior to the first dose of study drug; History of drug abuse including narcotic and psychiatric drugs within 12 months prior to screening; Have received a live vaccine within 30 days of planned start of study therapy; Acute infection requiring IV treatment in the last 14 days; Life-threatening illness or uncontrolled medical conditions that could compromise the subject's safety or put the study outcomes at risk; Active HCV, HBV or HIV infection unless well controlled with anti-viral therapy; Active or chronic corneal disorder, keratitis, corneal ulcerations or Sjogren's syndrome; Have any ongoing acute inflammatory skin disease or chronic skin disease not well controlled; Have been diagnosed with another primary malignancy except for adequately treated non-melanoma skin cancer or cervical cancer in situ; definitively treated non-metastatic prostate cancer; or subjects with another primary malignancy who are definitively relapse-free with at least 3 years elapsed since the diagnosis of the other primary malignancy; Have significant, uncontrolled or active cardiovascular disease; Have active or a history of pneumonitis or interstitial lung disease that requires corticosteroid treatment. Patients with radiation pneumonitis that does not require treatment is allowed; Have uncontrolled diabetes; Unstable CNS metastasis requiring treatment in the last 28 days; Grade ≥2 peripheral neuropathy; Pregnant or breastfeeding women; Subjects known to be hypersensitive to bulumtatug fuvedotin or to any components of the formulation.

ClinicalTrials.gov NCT06908928