Establishment of external culture of testicular tissue

Establishment of external culture of testicular tissue - Establishment of external culture of testicular tissue

Status

Recruiting

Phases

Phase 1

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000026226

Enrollment

Registered

2017-04-01

Start date

2015-07-10

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

Azoospermia

Interventions

1)Extra testicular tissue is collected from a patient who underwent the testicular sperm collection method for azoospermia. 2)Carry out boundary culture of gas phase liquid layer. 3)The presence or

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: Azoospermia

Exclusion criteria

Exclusion criteria: Patient who the doctor in charge judged inappropriate as the subject of this study

Design outcomes

Primary

Measure	Time frame
To elucidate spermatogenesis induction andits molecular mechanism.	—

Secondary

Measure	Time frame
Functional analysis of sperm acquired and verification of normality	—

Countries

Japan

Contacts

Public ContactNobuhito Yoshioka

St Marianna university school of Medicine Obstetrics and gynecology

n3yoshioka@marianna-u.ac.jp0449778111

Outcome results

None listed

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