Testosterone therapy reshapes bodies of transgender men, study finds
NCT ID NCT07481942
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looked at how one year of testosterone therapy changes body composition in 70 transgender men. Researchers used bioelectrical impedance and muscle ultrasound to track muscle gain and fat redistribution. The goal is to find better ways to monitor these changes and understand differences between testosterone types.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
testosterone (gender-affirming hormone therapy)
What this could lead to
If successful, this could help doctors better monitor muscle and fat changes in transgender men on hormone therapy, improving personalized care.
What could go wrong
This is a small, completed observational study with 70 participants. Results may not apply to all transgender men, and the methods (BIVA, ultrasound) need further validation.
Disclaimer
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This is a summary of
the original study
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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.
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The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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FISABIO
Valencia, Valencia, 46020, Spain