Comparing one-stage and two-stage laparoscopic surgery for undescended testis in boys

One Stage vs. Two Stage Gubernaculum Sparing Laparoscopic Orchidopexy: A Randomized Controlled Trial

Not applicable Interventional McMaster University · NCT02936024

This study is testing whether one-stage or two-stage surgery for boys with undescended testicles leads to fewer problems after the operation.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment80 (estimated)
Ages1 Year to 5 Years
SexMale
SponsorMcMaster University Academic / other
Locations1 site (Hamilton, Ontario)
Trial IDNCT02936024 on ClinicalTrials.gov

What this trial studies

This study investigates the feasibility of a randomized controlled trial comparing one-stage versus two-stage gubernaculum sparing laparoscopic orchidopexy (GSLO) in boys aged 1-5 years with intra-abdominal undescended testis (UDT). The primary focus is on assessing postoperative testicular atrophy rates associated with each surgical approach. By determining the feasibility of this trial, the researchers aim to inform future multicenter studies that could establish best practices for managing UDT. The findings could lead to improved surgical guidelines and potentially reduce unnecessary exposure to general anesthesia in young children.

Who should consider this trial

Good fit: Ideal candidates are boys aged 1-5 years diagnosed with intra-abdominal undescended testis who require surgical intervention.

Not a fit: Patients who have previously undergone laparoscopic orchidopexy or have palpable testes will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved surgical outcomes and reduced risk of testicular atrophy in boys with undescended testis.

How similar studies have performed: While this approach is novel in its specific comparison, similar studies have shown varying success in evaluating surgical techniques for undescended testis.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* boys 1-5 years of age at presentation to Pediatric Urology Clinics
* patients diagnosed with intraabdominal UDT
* patients who require one- or two-stage repair performed by fellowship-trained Pediatric Urologists

Exclusion Criteria:

* patients who have undergone previous laparoscopic orchidopexy
* patients with palpable testes
* patients requiring orchiectomy

Where this trial is running

Hamilton, Ontario

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Cryptorchidism
Last reviewed 2026-06-10 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.