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Decision Support Tool for Patients With Advanced Breast Cancer

Communicating Options for Advanced Breast Cancer Support and Treatment (COAST)

Who can join

Ages 18 and older · All sexes

Inclusion Criteria:

* Male or female 18 years and older
* Diagnosis of Stage IV breast cancer
* English, Spanish or Mandarin speaking

Exclusion Criteria:

* Early breast cancer
* Individuals speaking languages other than English, Spanish, or Mandarin as their primary language

About the study

The goal of this pilot study is to understand and improve the shared decision-making process between people with advanced breast cancer and their providers regarding their care and treatment. As part of this study, the researchers will evaluate a decision support tool called COAST that was designed to support patients and providers in having meaningful conversations. The main questions it aims to answer are:

1. Can the COAST tool improve the quality of communication between patients and their oncology providers? 2. Is the COAST tool acceptable, appropriate, and easy to use at NYP-Weill Cornell Medicine, NYP-Brooklyn Methodist Hospital and NYP-Queens?

Participants will be asked to fill out two surveys: one before they use the COAST tool and another about 2 - 4 weeks later. Some patients will also be invited for an interview.

What is being tested

• Decision Support Tool (behavioral)

Sponsor: Weill Medical College of Cornell University · Participants: 100 · Started: Jun 17, 2026

Contact the study team

• Zori K Hamilton, MA · Phone: 646-962-3694
• Darima Dorzhieva · Phone: 646-962-8666

Official record on ClinicalTrials.gov — NCT07635147

Locations in the U.S.

Conditions

• Breast Cancer
• Metastatic Cancer

From ClinicalTrials.gov, data retrieved Sep 29, 2026. Each study sets its own eligibility; the study team decides who can join.