COVID-19's hidden presence: could the virus lurk in sperm?
NCT ID NCT04487639
First seen Aug 03, 2026 · Last updated Aug 04, 2026 · Updated 1 time
Summary
This study looks at whether the virus that causes COVID-19 can be found in the semen of men with cancer who are storing sperm before treatment. Researchers will test both the fluid and the sperm cells for the virus and compare results with nasal swabs and blood tests. The goal is to understand if the virus can be present in sperm, which could affect fertility preservation safety.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Diagnostic tests for SARS-CoV-2 (nasopharyngeal swab, semen analysis, and serology)
- What this could lead to
- If the virus is found in semen, it could inform safety protocols for fertility preservation and raise awareness about potential sexual transmission.
- What could go wrong
- This is an observational study, so it won't test treatments. The presence of the virus in semen may not be confirmed, and findings may not apply to all patients.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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AP-Hôpitaux de Paris - Hôpital Antoine Béclére - Service de Biologie de la reproduction et AMP DPI CECOS
Clamart, France, 92140, France
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AP-Hôpitaux de Paris - Hôpital Cochin - Service d'Histologie-Embryologie-Biologie de la reproduction
Paris, France, 75014, France
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AP-Hôpitaux de Paris - Hôpital Jean Verdier - Service de Biologie de la reproduction
Bondy, France, 93140, France
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AP-Hôpitaux de Paris - Hôpital Tenon - Service de Biologie de la reproduction - CECOS
Paris, France, 75000, France
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CHU de Clermont-Ferrand
Clermont-Ferrand, France, 63000, France
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CHU de Clermont-Ferrand - Laboratoire de Virologie
Clermont-Ferrand, France, 63000, France
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CHU de Dijon - Laboratoire de Biologie de la Reproduction-CECOS
Dijon, France, France
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CHU de Grenoble - Laboratoire d'Aide à la Procréation CECOS
Grenoble, France, 38000, France
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CHU de Nancy - Laboratoire de biologie de la reproduction - CECOS
Nancy, France, 54000, France
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CHU de Reims - Service de Biologie de la Reproduction - CECOS Champagne-Ardenne de Reims
Reims, 51000, France
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CHU de Rouen Normandie - Service Biologie de la Reproduction-CECOS
Rouen, France, 76000, France
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CHU de Strasbourg - Service de Biologie de la reproduction
Strasbourg, France, 67000, France
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CHU de Toulouse - CECOS Midi-Pyrénées
Toulouse, France, 31000, France
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Centre Hospitalier intercommunal (CHI) de Poissy Saint Germain en Laye
Poissy, France, 78300, France
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Hospices Civils de Lyon - Service AMP-CECOS
Lyon, France, 69000, France
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Hôpital de la Conception - AP-Hôpitaux de Marseille - Service AMP-CECOS
Marseille, France, 13000, France
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Other studies related to the condition(s) this trial covers.
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