Preservation of fertility by cryopreservation of ovarian tissue and autologous transplantation of ovarian tissue in premenopausal women diagnosed with malignant tumors

Preservation of fertility by cryopreservation of ovarian tissue and autologous transplantation of ovarian tissue in premenopausal women diagnosed with malignant tumors - Preservation of fertility by cryopreservation of ovarian tissue in premenopausal women

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000029917

Enrollment

100

Registered

2017-11-14

Start date

2017-12-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Breast cancer, leukemia, malignant lymphoma (Hodgkin&#39

Interventions

cryopreservation of ovarian tissue

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Patients must: 1 meet the disease and age criteria 2 has consented the study in a written form 3 be under the age 45 and obtain another written consent by the physician treating her primary disease at the time of autotransplantation 4 make an annual visit to the clinic during the period requiring cryopreservation

Exclusion criteria

Exclusion criteria: Cryopreservation and autotransplantation 1 Patients with a high probability of metastasis of the original disease to the ovary 2 Patients with obvious infections 3 Patients with severe uncontrollable complications 4 Patients whose doctor judges that this study is inappropriate for participation

Design outcomes

Primary

Measure	Time frame
Fertility by autologous transplantation of cryopreserved ovarian tissue	—

Countries

Japan

Contacts

Public ContactTadashi Maezawa

Mie University Hospital Department of Obstetrics and Gynecology

tada-m@clin.medic.mie-u.ac.jp059-232-1111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026