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Blood test may let some cancer patients skip extra immunotherapy

NCT ID NCT07270666

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jul 14, 2026 · Updated 2 times

Summary

This study looks at whether a simple blood test (ctDNA) can help doctors decide if it's safe to stop maintenance immunotherapy after one year in people with advanced or recurrent endometrial cancer. About 30 participants will receive standard treatment, and if their ctDNA test is negative at one year, they may stop immunotherapy. The goal is to reduce unnecessary treatment while keeping cancer under control.

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 30 people

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

Started

Nov 2025

Expected to finish

Nov 2027

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

18 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: * Patients must have pathologically confirmed endometrial cancer * Patients with advanced endometrial cancer * Stage III with residual disease °Select patients with Stage III disease and no residual disease can be enrolled after discussion with PI * Stage IV * Recurrent endometrial cancer after adjuvant therapy only * Patients can have primary or planned interval surgery * MMR-D on immunohistochemistry OR MSI-H using any commercially available test * Patients with treated brain metastases are eligible if follow up brain imaging after CNS directed therapy shows no evidence of progression. * Eligible for standard of care chemotherapy with immune checkpoint inhibitor per treating investigator with no clinical contraindications * For the up to 10 patients who are allowed to enroll after C1D1 of standard of care treatments, they need to be on treatment with no clinical evidence of disease progression. * Patients may have received prior radiation therapy for treatment of endometrial cancer. Prior radiation therapy may have included pelvic radiation therapy, extended field pelvic/para aortic radiation therapy, intravaginal brachytherapy, and/or palliative radiation therapy. * Patients may have received prior hormonal therapy for treatment of endometrial cancer. * Patients may not have received prior therapy with an anti-PD-1, anti-PD-L1 or anti-CTLA-4 therapeutic antibody or other similar agents. * Except for the up to 10 patients who are allowed to enroll after C1D1 of standard of care treatments (chemotherapy and/or immune checkpoint inhibitors) per protocol. * Age ≥ 18 * Not Pregnant and Not Nursing

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

How to take part

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

  1. The places running it

    7 sites. 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

  • Memorial Sloan Kettering Basking Ridge (All Protocol Activites)

    RECRUITING

    Basking Ridge, New Jersey, 07920, United States

  • Memorial Sloan Kettering Bergen (All Protocol Activities)

    RECRUITING

    Montvale, New Jersey, 07645, United States

  • Memorial Sloan Kettering Cancer Center

    RECRUITING

    New York, New York, 10065, United States

  • Memorial Sloan Kettering Monmouth (All Protocol Activities)

    RECRUITING

    Middletown, New Jersey, 07748, United States

  • Memorial Sloan Kettering Nassau (All Protocol Activities)

    RECRUITING

    Rockville Centre, New York, 11570, United States

  • Memorial Sloan Kettering Suffolk - Commack (All Protocol Activities)

    RECRUITING

    Commack, New York, 11725, United States

  • Memorial Sloan Kettering Westchester (All Protocol Activities)

    RECRUITING

    Harrison, New York, 10604, United States

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