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Breast Cancer clinical trials in Brooklyn, NY

11 studies for Breast Cancer are looking for participants at sites in and around Brooklyn (within about 30 miles). Open a study to see who can join and how to contact the study team.

Recruiting for a study here? Feature it at the top of this page — $99 for 30 days →

Developing New Educational Materials About Genetic Testing for a Diverse Group of Cancer Patients

Recruiting
  • Kings County Hopsital Center, Brooklyn
Ages 18 and older · All sexes · Updated Oct 1, 2026 · NCT04751435

A Study of Tersolisib (LY4064809/STX-478) With Other Anti-Cancer Treatments in Participants With Advanced Breast Cancer With a Genetic Change (PIK3CA)

RecruitingPhase 3
  • New York University (NYU) Brooklyn, Brooklyn
Ages 18 and older · All sexes · Updated Sep 22, 2026 · NCT07174336

A Study of Elacestrant Versus Standard Endocrine Therapy in Women and Men With ER+,HER2-, Early Breast Cancer With High Risk of Recurrence

RecruitingPhase 3
  • Kings County Hospital Center, Brooklyn
Ages 18 and older · All sexes · Updated Sep 15, 2026 · NCT06492616

Evaluating the Addition of Adjuvant Chemotherapy to Ovarian Function Suppression Plus Endocrine Therapy in Premenopausal Patients With pN0-1, ER-Positive/HER2-Negative Breast Cancer and an Oncotype Recurrence Score Less Than or Equal to 25

RecruitingPhase 3
  • New York-Presbyterian/Brooklyn Methodist Hospital, Brooklyn
  • NYU Langone Hospital - Brooklyn, Brooklyn
Ages 18 to 60 · Women · Updated Sep 2, 2026 · NCT05879926

ATEMPT 2.0: Adjuvant T-DM1 vs TH

RecruitingPhase 2
  • New York University Langone Hospital -Brooklyn, Brooklyn
Ages 18 and older · All sexes · Updated Aug 19, 2026 · NCT04893109

Decision Support Tool for Patients With Advanced Breast Cancer

Recruiting
  • NewYork-Presbyterian Brooklyn Methodist Hospital, Brooklyn
Ages 18 and older · All sexes · Updated Aug 19, 2026 · NCT07635147

Testing Proton Craniospinal Radiation Therapy Versus the Usual Radiation Therapy for Leptomeningeal Metastasis, RADIATE-LM Trial

RecruitingPhase 3
  • NYU Langone Hospital - Brooklyn, Brooklyn
Ages 18 and older · All sexes · Updated Aug 17, 2026 · NCT06500481

Evaluating the Implementation of a Comprehensive Multilevel Virtual Oncology Program Among Veterans Diagnosed With Lung, Colorectal, Prostate, and Breast Cancers in the US Department of Veterans Affairs

Recruiting
  • VA New York Harbor Healthcare System - Brooklyn, Brooklyn
Ages 18 and older · All sexes · Updated Jun 3, 2026 · NCT06559059

De-Escalation of Breast Radiation Trial for Hormone Sensitive, HER-2 Negative, Oncotype Recurrence Score Less Than or Equal to 18 Breast Cancer (DEBRA)

RecruitingPhase 3
  • NYU Langone Hospital - Brooklyn, Brooklyn
Ages 50 to 70 · All sexes · Updated Apr 23, 2026 · NCT04852887

Personalized Second Chance Breast Conservation (PSCBC): A Prospective Phase II Clinical Study

Recruiting
  • New York Presbyterian Brooklyn Methodist Hospital, Brooklyn
Ages 19 to 90 · Women · Updated Jan 27, 2026 · NCT04371913

About Breast Cancer

Breast cancer is a cancer that starts in the breast tissue, when cells change and grow out of control. These extra cells can form a mass called a tumor.

More about Breast Cancer on MedlinePlus

Breast Cancer trials in other cities

Other studies in Brooklyn

From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.