Examining how telomere biology and sperm DNA fragmentation affect embryonic development

Impact of Telomere Biology and Sperm DNA Fragmentation on Embryonic Development

Observational IVI Madrid · NCT05508217

This study is testing how telomere length and sperm DNA damage might affect fertility in men who are struggling to conceive without a known reason.

Quick facts

Study typeObservational
Enrollment204 (estimated)
SexMale
SponsorIVI Madrid Academic / other
Locations1 site (Madrid)
Trial IDNCT05508217 on ClinicalTrials.gov

What this trial studies

This observational study aims to investigate the role of telomere biology and sperm DNA fragmentation in male infertility. It will involve men attending a fertility clinic who do not have a known cause for their infertility. Various analyses will be conducted, including measuring telomere length using Q-FISH and PCR, assessing sperm DNA fragmentation through the tunnel technique, and evaluating sperm maturation. The study will correlate these factors with age, sperm quality, and pregnancy outcomes to identify potential predictors of male fertility.

Who should consider this trial

Good fit: Ideal candidates include men of any age with normozoospermia attending a fertility clinic.

Not a fit: Patients with known chronic diseases or genetic alterations may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide insights into male fertility and help develop predictive tools for assessing fertility potential.

How similar studies have performed: While the specific approach may be novel, studies examining sperm DNA fragmentation and telomere length have shown promising results in understanding male fertility.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Men of any age who come to IVI Madrid in the context of a couple's infertility study and who present normozoospermia or semenograms with sperm count \>10mill/ml, \>25% progressive motility and \> 1% normal morphology.

Exclusion Criteria:

* Males who have suffered any acute illness in the three months prior to inclusion in the study.
* Males with any known chronic disease or genetic alteration.

Where this trial is running

Madrid

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 Sperm DNA FragmentationMale FertilityTelomeresSpermSperm DNA fragmentationMale fertilitySperm telomeric length
Last reviewed 2026-06-13 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.