Can hormone therapy spare fertility in a challenging endometrial cancer?
NCT ID NCT06468215
First seen Aug 18, 2026 · Last updated Aug 21, 2026 · Updated 2 times
Summary
This trial is testing two hormone-based approaches to treat early-stage, grade 2 endometrial cancer in women under 45 who wish to preserve their fertility. One approach uses a daily oral progesterone pill, while the other combines the pill with a hormone-releasing intrauterine device (Mirena IUD). The goal is to see which regimen leads to complete remission of the cancer faster and with a lower chance of recurrence, offering a potential alternative to hysterectomy for these patients.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Progesterone therapy (medroxyprogesterone acetate or megestrol acetate) alone or combined with a levonorgestrel intrauterine system (Mirena IUD)
- What this could lead to
- If successful, this could establish a standard fertility-sparing treatment for grade 2 endometrial cancer, allowing young women to preserve their fertility while effectively managing the disease.
- What could go wrong
- This is a small, early-phase trial with only 16 participants, so results may not be conclusive. The treatment may not achieve complete remission in all cases, and there is a risk of recurrence or progression, which could require more aggressive surgery.
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 16 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2024
- Expected to finish
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Oct 2028
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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Up to 45 years
- 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: * Endometrioid adenocarcinoma G2, diagnosis by pathological. * The lesion is limited to the endometrium. * FIGO (2009) staging is IA. * Age less than 45. * Strongly request to preserve fertility. * Sign informed consent. Exclusion Criteria: * The tumor has invaded the muscle layer. * FIGO (2009) stage IB or higher. * Endometrioid adenocarcinoma G1, G3, or non-endometrioid cancer * There are malignant tumors in other systems. * Have contraindications for conservative treatment or drug use. * Have been judged by the researcher to be unsuitable for childbearing.
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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
1 site. 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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Peking University People's Hospital
RECRUITINGBeijing, Beijing Municipality, 100044, China
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