Efficacy of microsurgical subinguinal varicocelectomy using indocyanine green fluorescence angiography

Efficacy of microsurgical subinguinal varicocelectomy using indocyanine green fluorescence angiography - Efficacy of microsurgical subinguinal varicocelectomy using indocyanine green fluorescence angiography

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000017841

Enrollment

140

Registered

2015-06-09

Start date

2014-09-04

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

varicocele

Interventions

Intravenous injection of ICG during operation.

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: 1) Patients of twenty years and up. 2) Patients diagnosed as varicocele. 3) Patients with abnormal semen tests as stated below or chronic scrotal pain associated with varicocele. Volume: less than 1.5ml Concentration: less than 15 million sperms/ml Motility: less than 50% 4) Agreed to be involved in the study by document.

Exclusion criteria

Exclusion criteria: 1) Patients with allergic reaction for anesthesia agents. 2) Patients with previous treatment history for varicocele. 3) Patients who cannot come to hospital for evaluation. 4) Patients that are decided as not suitable for the study by doctors in charge.

Design outcomes

Primary

Measure	Time frame
Imaging of the seminal cord vessels by intra-operative ICG angiography.	—

Countries

Japan

Contacts

Public ContactYasuhiro Shibata

Gunma University Graduate School Urology

yash@gunma-u.ac.jp027-220-8303

Outcome results

None listed

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