New hope for Prader-Willi syndrome: growth hormone shows promise in phase 3 trial
NCT ID NCT04697381
First seen Jan 16, 2026 · Last updated May 01, 2026 · Updated 10 times
Summary
This study tested the drug somatropin (a growth hormone) in 33 Japanese people with Prader-Willi syndrome, a genetic condition that causes weak muscles, slow growth, and constant hunger. The goal was to see if somatropin could safely improve body composition by increasing lean muscle mass and reducing fat. Participants received the drug for 12 months, and changes were measured using body scans.
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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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Contacts and locations
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Locations
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Dokkyo Medical University Saitama Medical Center
Koshigaya, Saitama, 343-8555, Japan
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Hamamatsu University Hospital
Hamamatsu, Shizuoka, 431-3192, Japan
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Kanagawa Children's Medical Center
Yokohama, Kanagawa, 232-8555, Japan
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National Center for Child Health and Development
Setagaya-ku, Tokyo, 157-8535, Japan
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Osaka Women's and Children's Hospital
Izumi, Osaka, 594-1101, Japan
Conditions
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