Dengue virus found in sperm? tiny study investigates

NCT ID NCT03612609

Completed Knowledge-focused Sponsor: University Hospital, Toulouse Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This pilot study looked for dengue virus in the sperm of 10 men with active dengue infection. Researchers collected semen, urine, and blood samples over 90 days to see if the virus is present and where it hides. The goal is to understand if the virus can be in sperm and whether standard sperm processing can remove it, which could help guide safety advice for men recovering from dengue.

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 help doctors give better advice to men recovering from dengue about risks of sexual transmission and safety during fertility treatments.
What could go wrong: This is a very small pilot study with only 10 men, so findings may not apply to everyone. It only looks for the virus in sperm, not whether it can actually spread through sex.

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

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Conditions

The condition(s) this trial relates to.

dengue disease

As listed by the trial registrant

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

DENGUE

Contacts and locations

Locations

Hôpital Saint-Pierre

Saint-Pierre, 97448, Reunion

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