Prospective Single-Arm Study of Anatomical Success after Heineke-Mikulicz Urethroplasty

A Prospective Single-Arm Study on the Anatomical Success Rate of Heineke-Mikulicz Urethroplasty - HM-AS Study

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000060408

Enrollment

Registered

2026-02-01

Start date

2026-02-01

Completion date

Unknown

Last updated

2026-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

urethral stricture

Interventions

Heineke-Mikulicz urethroplasty

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: 1. Non-traumatic proximal bulbar or membranous urethral stricture 2. Age >= 18 years at the time of informed consent 3. A single stricture located in the proximal bulbar or membranous urethra on preoperative retrograde urethrography 4. Intraoperative measurement confirming a stricture length of =< 10 mm 5. Provision of written informed consent to participate in this study

Exclusion criteria

Exclusion criteria: 1. Urethral stricture associated with lichen sclerosus 2. Traumatic urethral stricture 3. History of prior urethroplasty, including childhood hypospadias repair 4. Complete obliteration of the urethral lumen 5. Multiple urethral strictures 6. Withdrawal of informed consent

Design outcomes

Primary

Measure	Time frame
The anatomical success rate at 6 months postoperatively, defined as successful passage of a 17-Fr flexible cystoscope through the reconstructed urethra without resistance and without the need for additional dilation.	—

Countries

Japan

Contacts

Public ContactTadashi Tabei

Fujisawa Shonandai Hospital Urology

tadashiokclub@yahoo.co.jp0466-44-1451

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Sep 19, 2026