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Retrieval of Sperm From Men With Azoospermia Using Ultrasound-guided Rete Testis Aspiration

NCT03291522 · Status: ACTIVE_NOT_RECRUITING · Type: OBSERVATIONAL · Enrollment: 50

Last updated 2025-12-10

No results posted yet for this study

Summary

The objective of this study is to use ultrasound-guided rete testis flushing and aspiration technique to retrieve sperm, non-surgically, from the testes of azoospermic men. If sperm are retrieved by this method, it will provide a direct benefit to the infertile men. This protocol will also establish the safety and feasibility of the ultrasound-guided rete testis injection approach in consenting men before the approach is translated to teenage boys.

Conditions

  • Azoospermia, Nonobstructive
  • Infertility, Male

Interventions

PROCEDURE

Ultrasound-guided rete testis flushing and aspiration

Ultrasound-guided rete testis flushing and aspiration is performed first. If no sperm is found, the patient can choose to do a standard of care procedure (but not required).

Sponsors & Collaborators

  • Infertility and IVF Center, St. Louis, MO

    collaborator OTHER

  • University of Pittsburgh

    lead OTHER

Principal Investigators

  • Kyle Orwig, PhD · University of Pittsburgh/University of Pittsburgh Medical Center

Eligibility

Min Age
18 Years
Sex
MALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2019-05-10
Primary Completion
2027-01-01
Completion
2027-09-01

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03291522 on ClinicalTrials.gov