Sperm cryopreservation for fertility-preservation in young male cancer patients, hematopoietic cell transplantation recipients and immune disease patients

Sperm cryopreservation for fertility-preservation in young male cancer patients, hematopoietic cell transplantation recipients and immune disease patients - Sperm cryopreservation for fertility-preservation

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000041473

Enrollment

Registered

2020-08-20

Start date

2019-03-18

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

Cancer patient including hematological malignancy, autoimmune disease such as SLE

Interventions

sperm collection (ejaculated sperm) for cryopreservation

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: Patients at risk of impairment of spermatogenesis due to treatment for cancer or immune disease. Expected long-term survival After puberty

Exclusion criteria

Exclusion criteria: Patients who do not agree to participate in this study Patients whom the start of therapy delays due to this study Patients who are judged to be ineligible for this study

Design outcomes

Primary

Measure	Time frame
Sperm count and motility (before and after cryopreservation)	—

Secondary

Measure	Time frame
Fertilization rate, Live birth rate Influence of primary disease, treatment, patient's age and complications on sperm reserve and endocrine function after treatment	—

Countries

Japan

Contacts

Public ContactAkihito Horie

Graduate school of medicine, Kyoto University Department of obstetrics and gynecology

a_horie@kuhp.kyoto-u.ac.jp075-751-3269

Outcome results

None listed

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