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Spinal injury sperm mystery: 18-Month study seeks answers

NCT ID NCT02144558

Knowledge-focused Sponsor: Assistance Publique - Hôpitaux de Paris Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study followed 35 men with spinal cord injuries over 18 months to see how their sperm quality changes and what factors might cause problems. Researchers measured sperm health, inflammation, and infections from ejaculates collected every 6 months. The goal is to find ways to preserve fertility and reduce the need for advanced fertility treatments.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this study could identify key risk factors that harm sperm quality in spinal cord injured men, leading to better long-term fertility care and possibly reducing the need for assisted reproduction.
What could go wrong
This is a small observational study with only 35 participants, so findings may not apply to all spinal cord injured men. It does not test any treatment, so it cannot directly improve fertility.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

35 people

The number who actually took part.

Started

Apr 2014

Finished

Apr 2018

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 60 years

Sex

Male participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Spinal cord injured men aged between 18 and 60 years * Strict antegrade ejaculation obtained by masturbation or penil vibratory stimulation * Signature of an informed and written consent to participate to the study. Exclusion Criteria: * Total or partial retrograde ejaculation * Major patients protected * Men no affiliated with a french social security regime.

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Conditions

The condition(s) this trial relates to.

spinal cord injury

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Sperm parameters of spinal cord injured men

Contacts and locations

Locations

  • Assistance Publique-Hôpitaux de Paris, Cochin Hospital, Department of Biology of Reproduction

    Paris, 75014, France