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Talazoparib for people with metastatic breast cancer who have acquired (somatic) BRCA mutations

Talazoparib for people with metastatic breast cancer who have acquired (somatic) BRCA mutations

Clinicaltrials.gov identifier:
NCT03990896

Treatment

Study Contact Information:

The study principal investigator, Dr. Neelima Vidula can be contacted at 617-726-6500.

The overall study coordinator, Erin Basile can be contacted at 617-724-5059.


Talazoparib for people with metastatic breast cancer who have acquired (somatic) BRCA mutations

About the Study

This is a study for patients with breast cancer without a known mutation in or , who learn they have a or  acquired tumor mutation ( mutation) found through . Patients are treated with , a well-tolerated oral that targets the BRCA1/2 mutation to determine whether this treatment (which is already approved for people with an inherited BRCA1/2 mutation) is effective in this population.

Type of Study

This is a phase 2, , single arm, multi-center clinical trial evaluating in patients with breast cancer who have BRCA1/2 mutations detectable in cell-free . Patients with triple-negative () or hormone receptor positive/HER2 negative (HR+/HER2-) breast cancer are eligible. Patients are treated with until disease progression, unacceptable , or withdrawal of consent.

  • This is an , single arm study so all patients get the same study treatment ().

What the Study Entails

  • Initial screening for study (baseline blood work, CT scans and bone scan, visit, consent, etc.)
  • Treatment with , an oral therapy, until disease progression, , or withdrawal of consent. is already approved for germline BRCA1/2 carriers.
  • Blood draw every 4 weeks for organ function assessment and to evaluate changes in cell-free () with treatment.
  • CT Chest, abdomen, and pelvis and bone scan every 12 weeks while on treatment.

Study Sites

  • Boston, Massachusetts: Massachusetts General Hospital (study is activated)
    • Contact: Neelima Vidula, MD by phone at 617-726-6500.
  • San Francisco, CA: University of California San Francisco 
    • Contact: Hope S. Rugo, MD by phone at 415-353-7070.
This Study is Open To:

Patients may participate if they have the following:

  • breast cancer
    • If they have they must have received at least 1 prior line of chemotherapy (any number of prior therapies are allowed), OR
    • If they have HR+/HER2- breast cancer, they must have received at least 1 prior hormone therapy (or considered inappropriate for hormone therapy) in the setting
  •  test (cell-free testing) , which found an acquired () or  mutation
  • Patients are not required to have had prior genetic testing for an inherited BRCA1/2 mutation. However, those patients who have completed genetic testing and have an inherited BRCA1/2 mutation are not eligible.
  • adequate organ function
This Study is Not Open To:
  • Patients are excluded if they have an inherited  and mutation.
  • Patients are excluded if they have received a  in the past.