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Testing Sacituzumab Govitecan Therapy in Patients with HER2-Negative Breast Cancer and Brain Metastases

Active: Yes
Cancer Type: Breast Cancer NCT ID: NCT04647916
Trial Phases: Phase II Protocol IDs: S2007 (primary)
Eligibility: 18 Years and older, Male and Female Study Type: Treatment
Study Sponsor: SWOG
NCI Full Details:


This phase II trial studies the effect of sacituzumab govitecan in treating patients with HER2-negative breast cancer that has spread to the brain (brain metastases). Sacituzumab govitecan is a monoclonal antibody, called sacituzumab, linked to a chemotherapy drug, called govitecan. Sacituzumab is a form of targeted therapy because it attaches to specific molecules on the surface of cancer cells, known as Trop-2 receptors, and delivers govitecan to kill them. Giving sacituzumab govitecan may shrink the cancer in the brain and/or extend the time until the cancer gets worse.


I. To evaluate the intracranial objective response rate (ORR) (complete response [CR] or partial response [PR] by Response Assessment in Neuro-Oncology Brain Metastases [RANO-BM]) with sacituzumab govitecan (IMMU-132) in patients with HER2-negative metastatic breast cancer with brain involvement.

I. To evaluate bi-compartmental progression-free survival in this population.
II. To evaluate overall survival in this population.
III. To assess safety and tolerability of sacituzumab govitecan (IMMU-132) treatment in this population.
IV. To evaluate ORR by hormone-receptor (HR) subgroup (HR+, HR-).

I. To bank specimens for future correlative studies.

Patients receive sacituzumab govitecan intravenously (IV) over 1-3 hours on days 1 and 8. Cycles repeat every 21 days for up to 2 years in the absence of disease progression or unacceptable toxicity.

After completion of study registration, patients are followed up every 3 months for 1 year and then every 6 months for 1 year.
**Clinical trials are research studies that involve people. These studies test new ways to prevent, detect, diagnose, or treat diseases. People who take part in cancer clinical trials have an opportunity to contribute to scientists’ knowledge about cancer and to help in the development of improved cancer treatments. They also receive state-of-the-art care from cancer experts... Click here to learn more about clinical trials.