Clinical trial No longer in our active list Observational Ages 18 and up Men only

Predicting sperm retrieval success in men with non-obstructive azoospermia

Official title: The Value of Composite Measurements of Extracellular Matrix Protein1, Testis-Expressed Gene 101, and Lectin Galactoside-binding Protein in Predicting Surgical Sperm Retrieval in Men With Non-Obstructive Azoospermia

Run by Cairo University · NCT06154954 · Data updated 2026-05-14

This study is no longer in our active list. It may have stopped recruiting or finished. The details below are as of 2026-05-14 and are kept for reference. Check ClinicalTrials.gov for its current status, or see similar studies below.

This study is trying to find out if certain markers in men with non-obstructive azoospermia can help predict how successful sperm retrieval will be, to improve treatment options for couples dealing with infertility.

Quick facts

Study typeObservational
Ages18 Years and up
SexMen only
Enrollment90 (estimated)
SponsorCairo University
Academic / other
Locations1 site (Cairo)
Trial IDNCT06154954 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are men diagnosed with non-obstructive azoospermia.

Probably not a fit

Patients with obstructive azoospermia or those with specific genetic conditions such as sex reversal syndrome or Y chromosome microdeletions may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study aims to identify molecular and biochemical markers that can predict the success of sperm retrieval in men diagnosed with non-obstructive azoospermia. By analyzing testicular proteins and other indicators, the study seeks to improve the understanding of spermatogenesis and enhance the chances of successful sperm extraction. The research will involve semen analysis and may provide insights into the histological characteristics of the testis. The ultimate goal is to better inform treatment options for couples facing infertility due to this condition.

Why it matters

Potential benefit: If successful, this study could significantly improve the chances of sperm retrieval for men with non-obstructive azoospermia, leading to better fertility outcomes.

How similar studies have gone: While there have been studies exploring similar predictive markers, the specific approach of this study focusing on testicular proteins in non-obstructive azoospermia is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Men with Non-obstructive azoospermia

Exclusion Criteria:

1. Sex reversal syndrome.
2. Macro-deletion on the Y chromosome (To those accepting the chromosomal study)
3. AZF a, AZF b microdeletion (To those accepting the Y chromosome microdeletion analysis).
4. Obstructive azoospermia.
5. Undescended testis.
6. Hypogonadotrophic Hypogonadism
7. Testicular procedures and operations -

Where it's running

  • Cairo University hospital, department of andrology
    Cairo, Egypt
    Recruiting

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
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Last reviewed 2026-11-14 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.