Clinical trial registry record

Preservation of Ovarian Cortex Tissue in Girls With Turner Syndrome

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 February 17, 2025.
Where to verify
Open the primary registry below for eligibility, locations, contacts, and current status.
Registry ID
NCT03381300
Last registry update
February 17, 2025
Status
Active Not Recruiting
Phase
Phase not reported
Sponsor
Radboud University Medical Center
Enrollment
106
Countries
Netherlands
Match confidence
90%
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 · TREATMENT · NONE
Evidence population
Human clinical study registration
Participants
106
Population
FEMALE · 2 Years to 18 Years
Duration
2018-01-01 to 2071-11-01
Intervention
Ovarian tissue cryopreservation
Comparator
Not reported
Outcomes measured
Live birth ratio (LBR) (main outcome) — Up to 3 years after auto transplantation of cryopreserved-thawed ovarian cortic…; Number of primordial follicles (proximate) — Within 1 month after ovarian tissue cryopreservation; Patient's age versus LBR — Up to 3 years after auto transplantation of cryopreserved-thawed ovarian cortical tissue, an…; Patient's genotype versus LBR — Up to 3 years after auto transplantation of cryopreserved-thawed ovarian cortical tissu…; Patient's Anti-Müllerian hormone (AMH) level versus LBR — Up to 3 years after auto transplantation of cryopreserved-tha…; Patient's Follicle-stimulating hormone (FSH) level versus LBR — Up to 3 years after auto transplantation of cryopreserv…
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 · 90% 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 · 90%Summary contains controlled topic terminology. Source terminology contains a controlled topic term.

Automated source check 100% · update recency 65%. These figures help sort records; they are not medical ratings.

cryobiology
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