Frozen testicle tissue may help men become dads after childhood cancer
NCT ID NCT05414045
First seen Apr 29, 2026 · Last updated Jun 19, 2026 · Updated 11 times
Summary
This study tests whether testicular tissue frozen before puberty can be transplanted back into adult men to restore sperm production. Five men who had fertility-threatening treatments as children will receive their own preserved tissue. The goal is to see if sperm can be found in the graft one year later, potentially enabling fatherhood.
Disclaimer
Read more
Show less
This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for CANCER are added.
By submitting, you agree to our Terms of use
Contacts and locations
Show contact details
Enter your email to view the contact information for this study.
By submitting, you agree to our Terms of use
Study contacts
-
Contact
Phone: •••-•••-•••• Email: •••••@•••••
-
Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
-
UZ Brussel Centre for Reproductive Medicine
RECRUITINGBrussels, 1090, Belgium
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
autologous testicular tissue transplantation
What this could lead to
If it works, this could offer a way for men who lost fertility due to childhood cancer treatment to have biological children.
What could go wrong
This is a very early trial with only 5 participants, so success is far from guaranteed. The procedure is experimental and may not produce usable sperm, and there are surgical risks.
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.