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Can frozen ovarian tissue help cancer patients have babies?

NCT ID NCT01558544

Knowledge-focused Sponsor: Weill Medical College of Cornell University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looking at ways to freeze ovarian tissue so that people who might lose their fertility due to cancer treatment or ovary removal can still have a genetically related child later. Researchers are working on improving the freezing, thawing, and maturing of eggs from the stored tissue. The study involves up to 300 females aged 0 to 45 who are at risk of early menopause.

What this could mean

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

Active substance
cryopreservation of ovarian tissue
What this could lead to
If successful, this could help people at risk of premature ovarian failure preserve their fertility and have a genetically related child.
What could go wrong
This is an early-stage research study focused on developing the technology, not a proven treatment. Success in the lab may not translate to successful pregnancies.

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 300 people

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

Started

Apr 1997

Expected to finish

Oct 2029

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

Up to 45 years

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: * Females 0-45 years of age who are premenopausal * Treatment plan that will likely result in premature menopause or premature ovarian failure * This includes patients receiving: * Cancer treatment with abdominal pelvic irradiation and/or high dose chemotherapy * Surgery that requires removal of ovaries for medical condition or disease, e.g. Prophylactic oophorectomy in BRCA patients * Patient is unable or unwilling to pursue fertility preservation by freezing oocytes or embryos. * Previous treatment for cancer is acceptable if patient still has ovarian function * Patient is medically stable enough to undergo surgery (cleared for anesthesia) Exclusion Criteria: * Patients not meeting the above criteria * Patients who have not received medical clearance from their physicians to undergo surgery * Patients already experiencing menopause.

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Conditions

The condition(s) this trial relates to.

cancer neoplasm

As listed by the trial registrant

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

Cancer Fertility preservation Risk of premature ovarian failure

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

  • Ronald O. Perelman and Claudia Cohen Center for Reproductive Medicine

    RECRUITING

    New York, New York, 10021, United States

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