Blood test may let some cancer patients skip extra immunotherapy
NCT ID NCT07270666
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
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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
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About 30 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2025
- Expected to finish
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Nov 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Female participants only
- Healthy volunteers
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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 Hide 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.
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The places running it
7 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Memorial Sloan Kettering Basking Ridge (All Protocol Activites)
RECRUITINGBasking Ridge, New Jersey, 07920, United States
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Memorial Sloan Kettering Bergen (All Protocol Activities)
RECRUITINGMontvale, New Jersey, 07645, United States
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Memorial Sloan Kettering Cancer Center
RECRUITINGNew York, New York, 10065, United States
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Memorial Sloan Kettering Monmouth (All Protocol Activities)
RECRUITINGMiddletown, New Jersey, 07748, United States
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Memorial Sloan Kettering Nassau (All Protocol Activities)
RECRUITINGRockville Centre, New York, 11570, United States
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Memorial Sloan Kettering Suffolk - Commack (All Protocol Activities)
RECRUITINGCommack, New York, 11725, United States
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Memorial Sloan Kettering Westchester (All Protocol Activities)
RECRUITINGHarrison, New York, 10604, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can hormone pills replace chemo for aggressive endometrial cancer?
- Triple oral drug combo targets two stubborn gynecologic cancers
- Shorter, personalized radiation may target endometrial cancer with fewer side effects
- Robotic surgery vs standard approaches: does the platform change cancer outcomes?
- Can a Weight-Loss drug and an IUD treat early uterine cancer without surgery?
- Your gut bacteria may hold the key to whether immunotherapy works