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Blood test may spot lung cancer recurrence months before scans

NCT ID NCT07257471

Knowledge-focused Sponsor: Beijing Haidian Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at whether measuring DNA methylation markers in the blood can predict if lung cancer will come back after a minimally invasive treatment called Co-ablation. Researchers will follow 30 patients with early-stage non-small cell lung cancer who cannot have surgery. Blood samples will be taken before treatment and up to 24 months after to see if the markers can detect recurrence earlier than standard imaging.

What this could mean

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

Active substance
Co-ablation system therapy
What this could lead to
If successful, this could lead to a simple blood test that detects lung cancer recurrence earlier than scans, helping doctors personalize follow-up care.
What could go wrong
This is a small, early study with only 30 participants, so results may not apply to everyone. The methylation test may not be accurate enough to replace standard monitoring.

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 30 people

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

Started

Jun 2025

Expected to finish

Jun 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

Patients with non-small cell lung cancer (NSCLC) diagnosed by histopathology/clinical diagnosis and scheduled for Co-ablation system therapy were selected, with ages ranging from 18 to 85 years old. All enrolled patients had peripheral blood drawn within one week before treatment, and at 3 days, 1 month, 3 months, 6 months, 12 months, 18 months and 24 months after treatment for the detection of SHOX2/PTGER4 methylation in plasma circulating tumor DNA (ctDNA).

Ages

18 to 85 years

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: * Diagnosed with non-small cell lung cancer by histopathology/clinical diagnosis; assessed by MDT as not suitable or refusing open or thoracoscopic resection surgery. * Age 18-85 years old, gender unrestricted. * The maximum diameter of the tumor is ≤ 5 cm (peripheral type) or ≤ 3 cm (central type), and the distance from major blood vessels/trachea is ≥ 1 cm. * Eastern Cooperative Oncology Group (ECOG) performance status score ≤ 1, with an expected survival period of ≥ 6 months. * The subjects should have clear case information, including age, gender, and clinical diagnosis, etc. Exclusion Criteria: * Those with a history of other malignant tumors or autoimmune diseases。 * Pregnant or lactating women; or patients with lung cancer who were negative for methylation before treatment. * Patients with clinical or pathological diagnosis of lung metastatic cancer. * Ppatients with multiple nodules and the current treatment cannot completely address all positive nodules. * Patients whose clinical information or follow-up during the study may not be completed; and other factors that the researcher deems unsuitable for participation in this study.

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Conditions

The condition(s) this trial relates to.

lung cancer lung neoplasm non-small cell lung carcinoma

As listed by the trial registrant

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

Lung cancer (NSCLC)

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

  • Beijing Haidian Hospital

    RECRUITING

    Beijing, Beijing Municipality, 100080, China

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