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500 breast cancer survivors to be tracked for years to uncover Long-Term health secrets

NCT ID NCT04661982

Knowledge-focused Sponsor: City of Hope Medical Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study follows 500 breast cancer survivors (stage 0-IIIC) who were treated at City of Hope. Researchers will collect feedback and samples over time to understand long-term health, quality of life, and how the immune system responds to cancer. The goal is to improve follow-up care for future survivors.

What this could mean

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

What this could lead to
If successful, this study could help define better long-term care guidelines for breast cancer survivors and improve understanding of how the immune system fights cancer.
What could go wrong
This is an observational study, not a treatment trial. It will not directly test any new therapy, and results may take years to influence clinical practice.

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.

Participants

About 500 people

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

Started

Jul 2010

Expected to finish

Nov 2026

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.

Who is studied

Patients with stage 0-IIIC breast cancer

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Diagnosis of breast cancer, stage 0-IIIC * Partial or entire treatment at City of Hope * Must be registered before adjuvant therapy and ideally before definitive local therapy Exclusion Criteria: * Stage IV breast cancer * Recurrent breast cancer * Prior cancers, chemotherapy or radiation \* (Note: Subjects who develop locoregional or systemic recurrence while enrolled on this protocol will be withdrawn, and will continue their care with their primary oncology providers only)

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm

As listed by the trial registrant

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

Breast cancer

Contacts and locations

Locations

  • City of Hope Medical Center

    Duarte, California, 91010, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.