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Blood test may spot cancer return months before scans

NCT ID NCT07426250

Knowledge-focused Sponsor: Aarhus University Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 blood test that detects tumor DNA (ctDNA) can help predict cancer recurrence in 500 patients with oligometastatic cancer (cancer that has spread to only a few spots). Participants will give blood samples before and after local treatment (like surgery or radiation). Researchers will track whether ctDNA levels relate to cancer coming back or survival. The goal is to see if this test could guide future treatment decisions.

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 show that a simple blood test (ctDNA) helps doctors detect cancer return earlier and personalize follow-up care for patients with limited metastases.
What could go wrong
This is an observational study, not a treatment trial. It will not test a new therapy, and results may not change current practice. ctDNA detection rates vary by cancer type, so findings may not apply to all patients.

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.

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

Sep 2030

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 patients with verified oligometastatic cancer disease who are planned for local ablative therapy.

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: * Metastatic spread from histopathological diagnosed solid cancer * Planned for LAT (local ablative therapy) for OMD (oligometastatic disease) * ≥ 18 years * Written and oral consent Exclusion Criteria: * Other cancer disease within 5 years * Conditions that will contraindicate blood samples

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As listed by the trial registrant

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

Oligometastatic cancer

How to take part

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

  1. The places running it

    1 site. 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

  • Department of Oncology, Aarhus University Hospital

    Aarhus N, 8200, Denmark

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