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Chemo's toll on fertility: study in young breast cancer patients

NCT ID NCT01614704

Knowledge-focused Sponsor: Centre Oscar Lambret Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study aimed to understand how chemotherapy impacts the ability to have children in young women (ages 18-37) with breast cancer. Researchers measured ovarian reserve (egg supply) using hormone levels and follicle counts before, during, and up to 24 months after treatment. The goal was to provide better fertility information and help personalize fertility preservation options.

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

135 people

The number who actually took part.

Started

Oct 2011

Finished

Mar 2019

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

young female, treated for non metastatic breast cancer

Ages

18 to 38 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: * 18 ≤ age \< 38 * breast cancer histologically proved * under the control of an adjuvant chemotherapy or neo adjuvant chemotherapy * verbal agreement given Exclusion Criteria: * age ≥ 38 * metastatic breast cancer * non able to follow the design of the study (geographic, social or psychological reasons)

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm infertility disorder

As listed by the trial registrant

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

Breast cancer Fertility

Contacts and locations

Locations

  • Oscar Lambret Center

    Lille, Hauts-de-France, 59020, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.