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Blood test may spot ovarian cancer return months before scans

NCT ID NCT07670962

Diagnosis Sponsor: Asan 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at whether a specialized blood test can detect tiny bits of cancer DNA in the blood of women with advanced ovarian cancer after they finish initial treatment. Researchers will follow 300 women for up to 3 years, taking blood samples at key times. The goal is to see if the test can predict cancer recurrence earlier than standard imaging or blood tests.

What this could mean

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

Active substance
Blood-based ctDNA minimal residual disease (MRD) test
What this could lead to
If successful, this blood test could help doctors identify which patients are at high risk of their ovarian cancer returning, potentially allowing earlier intervention.
What could go wrong
This is an observational study, not a treatment trial. The test may not accurately predict recurrence for all patients, and results may not change 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 300 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 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.

Who is studied

The study population consists of adult women (aged 19 years or older) diagnosed with FIGO stage III or IV advanced epithelial ovarian cancer, specifically including high-grade serous, endometrioid, clear cell, or mixed carcinomas. To be eligible, patients must have successfully completed their standard first-line therapy, consisting of primary debulking surgery (PDS) or interval debulking surgery (IDS) paired with platinum-based chemotherapy, and must have achieved a clinical or radiological complete response (CR) at the end of treatment. A total of 200 patients meeting these criteria will be enrolled in this prospective cohort.

Ages

19 years and older

Sex

Female participants only

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: Women aged 19 years or older. Pathologically confirmed high-grade serous, endometrioid, clear cell, or mixed type ovarian cancer. FIGO stage III or IV. Patients who have completed primary debulking surgery (PDS) or interval debulking surgery (IDS) and platinum-based chemotherapy (subsequent maintenance therapy, such as bevacizumab or PARP inhibitors, is allowed). Patients showing radiological or clinical Complete Response (CR) after the completion of platinum-based chemotherapy. Written informed consent for the study. Exclusion Criteria: Radiological progressive disease during or immediately after treatment. Expected survival of 3 months or less. Immunodeficiency or pathological bleeding tendencies. Unable to undergo blood tests or unwilling to undergo repeated blood sampling. Concurrent other solid tumors or history of malignant tumors within the last 5 years. Refusal to consent to participate in this study.

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Conditions

The condition(s) this trial relates to.

Carcinoma, Ovarian Epithelial Neoplasm, Residual ovarian cancer ovarian carcinoma ovarian epithelial tumor ovarian neoplasm

As listed by the trial registrant

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

Carcinoma, ovarian epithelial Ovarian cancer Ovarian neoplasms

How to take part

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  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

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