To analyze hemodynamics of testis with varicocele and verify the conventional classification criteria of the varicocele using ultrasound contrast agents, perflubutane

To analyze hemodynamics of testis with varicocele and verify the conventional classification criteria of the varicocele using ultrasound contrast agents, perflubutane - To analyze hemodynamics of testis with varicocele and verify the conventional classification criteria of the varicocele using ultrasound contrast agents

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000017049

Enrollment

Registered

2015-04-08

Start date

2015-04-09

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

Contrast-enhanced US of the varicocele with Sonazoid

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: 1)A patient with the varicocele on the left side 2)Written informed consent

Exclusion criteria

Exclusion criteria: 1)A patient under age 2)A patient who had the operation in the past 3)A patient who have the varicocele in the right side predominance

Design outcomes

Primary

Measure	Time frame
1:Evaluation by B-mode and color Doppler imaging the size of the testis, the spermatic cord vein diameter, the grade of varicocele 2:Evaluation by the contrast ultrasound sonography TTP(time to peak arterial circulation), MTT(mean transit time), artery circulation time (wash-in), venous circulation time (wash-out)	—

Countries

Japan

Contacts

Public ContactKen Watanabe

The Jikei University School of Medicine Department of Radiology

kwata_1015@jikei.ac.jp03-3433-1111

Outcome results

None listed

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