Application of oocyte vitrification to human assisted reproductive technology

Application of oocyte vitrification to human assisted reproductive technology - Application of oocyte vitrification to human assisted reproductive technology

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000013874

Enrollment

100

Registered

2014-05-02

Start date

2011-06-01

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

malignant disease or hematological disorder

Interventions

After patients undergo controled ovarian stimulation, oocytes are retrieved by ultrasound-guided transvaginal aspiration and cryopreserved by vitrification.

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Women of reproductive age with malignant disease or hematological disorder. Women with regular menstrual cycles. Permission for undergoing oocytes cryopreservation by attending physician for the primary disease is necessary.

Exclusion criteria

Exclusion criteria: Postmenopausal women. Women who don't have functional uteri. Undergoing oocytes cryopreservation is rejected by attending physician for the primary disease.

Design outcomes

Primary

Measure	Time frame
successful rate of oocyte cryopreservation. recovery and viability rates after thawing.	—

Secondary

Measure	Time frame
influence on prognosis of the primary disease	—

Countries

Japan

Contacts

Public ContactYasuhiko Kamada

Okayama University Hospital Obstetrics and Gynecology

ykamada@md.okayama-u.ac.jp086-235-7320

Outcome results

None listed

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