Clinical trial registry record

Risk of Infertility Related to Adjuvant Chemotherapy for Early Breast Cancer: Oocyte/Embryo Cryopreservation

A registered study indexed because it matched monitored longevity research terms. Registry status: Active Not Recruiting. Registration does not establish safety or effectiveness.

Plain-language guide

Five questions to ask about this record

What this is
A clinical study registration, not a result or recommendation.
Why it may matter
The registry currently reports Active Not Recruiting.
Evidence
Registered phase not reported study.
Main limitation
Registration does not prove that the intervention works, is safe, or is available to you.
What changed
Registry metadata was last updated March 18, 2026.
Where to verify
Open the primary registry below for eligibility, locations, contacts, and current status.
Registry ID
NCT02871167
Last registry update
March 18, 2026
Status
Active Not Recruiting
Phase
Phase not reported
Sponsor
Centre Oscar Lambret
Enrollment
140
Countries
France
Match confidence
100%
Source feed
ClinicalTrials.gov
Automated source synopsis

A registered study indexed because it matched monitored longevity research terms. Registry status: Active Not Recruiting. Registration does not establish safety or effectiveness.

Evidence snapshot

What the source actually supports

Evidence stage
Phase not reported
Study design
NA · SINGLE GROUP · PREVENTION · NONE
Evidence population
Human clinical study registration
Participants
140
Population
FEMALE · 18 Years to 38 Years
Duration
2016-12-01 to 2034-11-01
Intervention
Controlled ovarian hyperstimulation (COH); Oocyte/embryo freezing
Comparator
Not reported
Outcomes measured
Quality of oocytes: total number of oocytes preserved — after oocyte retrieval (35-36 hours after triptorelin injection); Quality of embryos: total number of embryos preserved — at 44-46 hours post intra-cell sperm injection; Type of oocytes — after oocyte retrieval (35-36 hours after triptorelin injection); Toxicity related to the controlled ovarian stimulation according to NCI CTCAE v4.0 scale — 24 months; Serum AMH measurement — baseline, at the end of the first sequence of chemotherapy, at the last injection of treatment,…; Antral Follicular Count (AFC) measurement — baseline, at month 3, at month 12, at month 24; Number of Spontaneous or medically assisted pregnancy(ies) — up to 10 years after the end of the study or at 43 years o…; Rate of patients wishing for re-utilization of their frozen gametes — up to 10 years after the end of the study or at 4…; Disease-free survival — through study completion, an average of 5 years
Reported result
No reusable finding-level result is available in this record.

Main limitationThis is a study registration. No reusable structured result is available here, so it cannot show whether the intervention worked or was safe.

Safety and approvalEligibility, adverse-event details, and clinical decisions must be checked in the official registry and with qualified clinicians. Trial registration is not regulatory approval and does not establish that an intervention is available.

Source supportStructured registry protocol metadata; no finding-level conclusion is generated.

Trial stage · Phase not reportedA trial phase describes development stage; it does not establish a positive result.
Phase 1Phase 2Phase 3Phase 4

Registration and recruitment status do not establish safety, efficacy, or regulatory approval.

Why this record appears here · 100% topic match

The title, summary, or source keywords matched one or more topics followed by immortal.life. A higher percentage means a stronger topic match; it does not rate safety, effectiveness, or study quality.

  • Cryobiology · 100%Title contains controlled topic terminology. Summary contains controlled topic terminology.

Automated source check 100% · update recency 85%. These figures help sort records; they are not medical ratings.

cryobiology
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