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New study aims to unlock secrets of breast cancer return

NCT ID NCT07668362

Knowledge-focused Sponsor: The First Affiliated Hospital with Nanjing Medical University 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study follows 100 women whose breast cancer has come back after a mastectomy. Researchers will track their health for at least three years to understand what factors affect survival and how different standard treatments work. No experimental drugs are given; the goal is to learn from real-world outcomes to improve future care.

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 doctors better predict outcomes and choose the best treatments for women whose breast cancer returns after surgery.
What could go wrong
This is an observational study, not a test of a new treatment. It only looks at existing data, so it cannot prove what causes better or worse outcomes.

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 100 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Dec 2036

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

This single-center prospective observational cohort enrolls female patients aged ≥18 years from the Department of Breast Surgery, Jiangsu Provincial People's Hospital. Eligible participants previously received breast-conserving surgery or total mastectomy for pathologically confirmed invasive breast carcinoma or ductal carcinoma in situ (DCIS), with newly pathologically proven isolated local breast cancer recurrence and no distant metastasis. Subjects must have ECOG performance status 0 or 1 to tolerate salvage reoperation and anti-tumor therapy, and sign written informed consent voluntarily. Patients are excluded if they have concurrent distant metastasis at recurrence, severe cardiac, hepatic, renal or other vital organ dysfunction that prevents treatment, or fail to comply with long-term follow-up.

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: 1. Patients with a prior history of breast-conserving surgery or total mastectomy, with postoperative pathological diagnosis of invasive breast carcinoma or ductal carcinoma in situ (DCIS); 2. Pathologically confirmed isolated local recurrence of breast cancer after primary surgery, without evidence of distant metastasis; 3. Aged ≥ 18 years old; Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1, and eligible to receive reoperation and subsequent anti-tumor therapy; 4. Voluntarily participate in this study and provide written informed consent. Exclusion Criteria: 1. Presence of concurrent distant metastasis at the time of breast cancer local recurrence; 2. Severe dysfunction or failure of vital organs (cardiac, hepatic, renal, etc.) that contraindicates reoperation or systemic anti-tumor treatment; 3. Inability to complete scheduled long-term follow-up as required by the study.

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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

How to take part

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

  1. 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 ↗

  2. 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.

More trials for these conditions

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