Den här översättningen är inte klar ännu. Den här sidan är just nu på engelska.

Gå till den engelska sidan

Cure My Disease

Don't miss your cure!

 Log in / Sign up

Diamonds and sperm: a new way to detect fertility problems?

NCT ID NCT05514223

Knowledge-focused Sponsor: University Medical Center Groningen Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is testing a new technique called diamond magnetometry to measure free radicals in individual sperm cells and blood. Free radicals are natural but can damage sperm if out of balance. Researchers will also look at the bacteria in semen and how lifestyle and diet affect free radical levels. The goal is to better understand what causes male infertility and possibly find new ways to diagnose it.

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 could lead to a new way to diagnose male infertility by measuring free radicals in sperm, and may help identify lifestyle factors that affect fertility.
What could go wrong
This is an early observational study with only 80 participants, so results may not apply to all men. The new measurement technique is still experimental and may not prove useful in practice.

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.

Participants

About 80 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jun 2024

Expected to finish

Sep 2027

An estimate. End dates often move.

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.

Who is studied

Males of couples visiting the CRM of the UMCG

Ages

18 to 55 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: * Males of couples visiting the CRM at the UMCG between 18-55 years old. * Planned semen-analysis as standard care. Exclusion Criteria: * Males who receive(d) chemo- and/or radiotherapy, use(d) testosterone suppletion and/or anabolic steroids * Males who are azoospermic * Males who have an abnormal SA due to genetic causes. * Semen analysis with round cells \>2x106 /ml (as marker for infection) * Males who currently use antibiotics

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for Infertility are added.

Vår säkerhetsrekommendation!

Genom att skicka in godkänner du våra Användarvillkor

Conditions

The condition(s) this trial relates to.

infertility disorder male infertility

As listed by the trial registrant

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

Infertility Infertility, male

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • University Medical Centre Groningen

    RECRUITING

    Groningen, Provincie Groningen, 9713GZ, Netherlands

More trials for these conditions

Other studies related to the condition(s) this trial covers.