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Blood test could spot cancer return months before scans

NCT ID NCT07660627

Diagnosis Sponsor: Masaryk Memorial Cancer Institute 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is testing a blood test that looks for tiny bits of cancer DNA (ctDNA) in people with esophageal, gastric, or pancreatic cancer. The goal is to see if it can find signs of cancer coming back or getting worse earlier than current methods. About 34 participants will give blood samples before and after treatment to check how well the test works.

What this could mean

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

Active substance
deep ctDNA sequencing (blood test)
What this could lead to
If successful, this blood test could help doctors detect cancer relapse or progression earlier than standard scans, allowing for quicker treatment changes.
What could go wrong
This is a small, early-stage study with only 34 participants, so results may not apply to everyone. The test might miss some cancers or give false alarms.

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 34 people

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

Started

Aug 2022

Expected to finish

Dec 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.

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: * Consent to participate in the study * Patients with esophageal, gastric, or pancreatic cancer, stage 0-2 * Patients with locally advanced, potentially operable disease treated with systemic perioperative chemotherapy or chemoradiotherapy * Patients with metastatic disease treated with first- to third-line palliative systemic therapy Exclusion Criteria: * not specified

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Conditions

The condition(s) this trial relates to.

Adenocarcinoma Of Esophagus Digestive System Neoplasms esophageal adenocarcinoma gastric cancer gastric neoplasm malignant pancreatic neoplasm Neoplasm, Residual pancreatic neoplasm

As listed by the trial registrant

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

Esophageal adenocarcinoma Gastric cancer Pancreatic 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

  • Masaryk Memorial Cancer Institute

    RECRUITING

    Brno, 65653, Czechia

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