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New decision tool aims to ease tough talks for advanced breast cancer patients

NCT ID NCT07635147

Knowledge-focused Sponsor: Weill Medical College of Cornell University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Aug 20, 2026 · Updated 3 times

Summary

This pilot study will test a decision support tool called COAST, available as a booklet and website, designed to help people with stage IV breast cancer have better conversations with their doctors about treatment options. About 100 patients will use the tool and fill out surveys before and after to see if it improves communication and is easy to use. Some patients may also be invited for an interview to share their experience.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Decision support tool (booklet and website)
What this could lead to
If successful, the COAST tool could help patients with advanced breast cancer feel more informed and supported when making treatment decisions with their doctors.
What could go wrong
This is a small pilot study (100 participants) focused on feasibility and acceptability, not on health outcomes. The tool may not improve communication or may not work well in other hospitals.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 100 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jun 2026

Expected to finish

Feb 2028

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

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

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Conditions

The condition(s) this trial relates to.

breast cancer breast carcinoma breast neoplasm Communication Neoplasm Metastasis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Advanced breast cancer Breast cancer, metastatic Stage 4 breast cancer Stage IV (metastatic) breast cancer

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    3 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • NewYork-Presbyterian Brooklyn Methodist Hospital

    RECRUITING

    Brooklyn, New York, 11215, United States

  • NewYork-Presbyterian David H. Koch Center

    RECRUITING

    New York, New York, 10065, United States

  • NewYork-Presbyterian Medical Group Queens

    RECRUITING

    Flushing, New York, 11355, United States

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