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Recruiting NCT06941922

NCT06941922 Testicular Evaluation of Azoospermia Using Micro-Ultrasound

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Clinical Trial Summary
NCT ID NCT06941922
Status Recruiting
Phase
Sponsor Paul Shin
Condition Azoospermia
Study Type OBSERVATIONAL
Enrollment 40 participants
Start Date 2025-05-01
Primary Completion 2025-10-31

Eligibility & Interventions

Sex Male only
Min Age 18 Years
Max Age N/A
Study Type OBSERVATIONAL

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

This is an observational study. You will not receive an experimental treatment; researchers will collect data based on your existing condition or standard treatment.

This trial targets 40 participants in total. It began in 2025-05-01 with a primary completion date of 2025-10-31.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

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.

Eligibility Criteria

Inclusion criteria: 1. Men with azoospermia confirmed based on semen analysis 2. Post-vasectomy patients with verified azoospermia after the procedure 3. Men pre-vasectomy with proven natural fertility or with normal semen analysis 4. Males assigned at birth over the age of 18 Exclusion criteria: 1. History of prior microdissection of the testes 2. History of hypogonadotropic hypogonadism

Contact & Investigator

Central Contact

Paul R Shin, MD

✉ paul.shin@sgfertility.com

📞 202-296-2595

Principal Investigator

Paul R Shin, MD

PRINCIPAL INVESTIGATOR

Shady Grove Fertility

Frequently Asked Questions

Who can join the NCT06941922 clinical trial?

This trial is open to male participants only, aged 18 Years or older, studying Azoospermia. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

Is NCT06941922 currently recruiting?

Yes, NCT06941922 is actively recruiting participants. Contact the research team at paul.shin@sgfertility.com for enrollment information.

Where is the NCT06941922 trial being conducted?

This trial is being conducted at Rockville, United States, Edmonton, Canada.

Who is sponsoring the NCT06941922 clinical trial?

NCT06941922 is sponsored by Paul Shin. The principal investigator is Paul R Shin, MD at Shady Grove Fertility. The trial plans to enroll 40 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology