Isolation and in vitro maturation of immature oocytes from ovarian tissue in fertility preservation treatments.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00013170

Enrollment

Registered

2017-12-11

Start date

2017-12-12

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Z31 Z51

Interventions

Group 1: Immature oocytes retrieved during the preparation of ovarian cortical tissue prior to cryopreservation will be matured in vitro and cryopreserved.

Eligibility

Sex/Gender

All

Age

18 Years to 43 Years

Inclusion criteria

Inclusion criteria: Patients whose ovarian tissue is cryopreserved for fertility preservation. Patients and partners able to provide informed consent. Firm relationship. Age of the patient 18-43 years. Age of the partner from 18 years.

Exclusion criteria

Exclusion criteria: postmenopausal patients, patients under age, partners under age, patients without firm relationship

Design outcomes

Primary

Measure	Time frame
Isolation of immature oocytes from ovarian tissue	—

Secondary

Measure	Time frame
in vitro maturation rate, vitality, fertilisation rate, clinical outcomes after in-vitro culture and embryo transfer	—

Countries

Germany

Contacts

Public ContactAriane Germeyer

Abteilung für gynäkologische Endokrinologie und Fertilitätsstörungen, Universitäts-Frauenklinik Heidelberg

ariane.germeyer@med.uni-heidelberg.de06221-567910

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 27, 2026