Clinical trial Recruiting at 1 site Observational Ages 1 Month to 18 Men only

Investigating environmental factors in male congenital testicular conditions

Official title: Role of the Environment and Endocrine Disruptors in Child Cryptorchidism

Run by University Hospital, Montpellier · NCT04342026 · Data updated 2026-11-12

This study is trying to see if certain environmental factors, like chemicals, are linked to the occurrence of undescended testicles in baby boys.

More Cryptorchidism trials

Quick facts

Study typeObservational
Ages1 Month to 18 Years
SexMen only
Enrollment1452 (estimated)
SponsorUniversity Hospital, Montpellier
Academic / other
Locations1 site (Montpellier)
StatusRecruiting
StartedApril 16, 2020
Main results expectedOctober 15, 2027
Study endsApril 15, 2028
Registry record updatedOctober 3, 2025
Trial IDNCT04342026 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are parents of male children aged from the neonatal period to 18 years who have been diagnosed with cryptorchidism.

Probably not a fit

Patients who may not benefit from this study include those whose children do not have endocrine diseases or associated genital or urinary defects.

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 explore the potential association between environmental exposures, particularly endocrine disruptors, and the occurrence of cryptorchidism in male newborns. Cryptorchidism is a common congenital defect that can lead to serious health issues, including fertility disorders and cancer. The study will involve measuring the exposure of parents of male children with and without cryptorchidism to various environmental factors. By identifying potential environmental contributors, the research seeks to enhance understanding of this condition and inform public health strategies.

Why it matters

Potential benefit: If successful, this study could lead to improved prevention strategies for cryptorchidism and related health issues in male children.

How similar studies have gone: Other studies have suggested potential links between environmental factors and cryptorchidism, but this specific approach focusing on endocrine disruptors is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion criteria:

\- Parents of male children from the neonatal period to 18 years of age (during surgery) with cryptorchidism

Exclusion criteria:

* Parents of children without endocrine disease. (adrenal, hypothalamic-pituitary, phosphocalcic, thyroid, diabetes, etc.)
* Parents of children without an associated genital or urinary defect (hypospadias, micropenis, renal and bladder abnormalities)
* Testicular Ectopia (testis outside of normal migration path)
* Anorchidism and evanescent testicles, united or bilateral
* Abnormalities of the abdominal wall (laparoschisis, omphalocele, Prune Belly)
* Cryptorchidism integrating in the context of a polymalformative syndrome, including neurological.

Where it's running

  • University hospital of Montpellier
    Montpellier, France
    Recruiting

Study contacts

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.
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.