Testicular Evaluation of Azoospermia Using Micro-Ultrasound

Recruiting now

Conditions studied: Azoospermia

In brief

The investigation is a small feasibility study to determine whether there are imaging features related to the seminiferous tubules in the testes under microultrasound. The results from this study will provide guidance on the design and power analysis of future studies in this area.

Key facts

Study ID

NCT06941922

Run by

Paul Shin

People needed

40

Starts

2025-05-01

Expected to finish

2025-12-31

Last updated by the study team

2025-07-11

Who can join

Age: 18 and older. Sex: male. Healthy volunteers: accepted.

You may qualify if…

• Men with azoospermia confirmed based on semen analysis
• Post-vasectomy patients with verified azoospermia after the procedure
• Men pre-vasectomy with proven natural fertility or with normal semen analysis
• Males assigned at birth over the age of 18

You may not qualify if…

• History of prior microdissection of the testes
• History of hypogonadotropic hypogonadism

Where it is running

• Shady Grove Fertility — Rockville, Maryland, United States (enrolling)
• University of Alberta — Edmonton, Alberta, Canada (enrolling)

Full record on ClinicalTrials.gov

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