Prader-Willi Syndrome Clinical Trials Near Me

As of September 29, 2026, 19 Prader-Willi Syndrome clinical trials are recruiting or about to open (16 recruiting now, 3 opening soon). 8 of them have at least 1 open site in the United States, across 20 states. Enter your ZIP code to see which are closest to you.

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Enter your ZIP code above to rank these 16 trials by how far their nearest open site is from you.

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Where Prader-Willi Syndrome trials are recruiting in the US

The US cities with the most Prader-Willi Syndrome trials recruiting are Nashville, Tennessee (3), Brooklyn, New York (2), Chicago, Illinois (2), Atlanta, Georgia (1) and Aurora, Colorado (1), counting trials with at least 1 open site in each city.

Nashville, Tennessee
3 trials recruiting
Brooklyn, New York
2 trials recruiting
Chicago, Illinois
2 trials recruiting
Atlanta, Georgia
1 trial recruiting
Aurora, Colorado
1 trial recruiting
Baltimore, Maryland
1 trial recruiting
Belmont, Massachusetts
1 trial recruiting
Birmingham, Alabama
1 trial recruiting

States with at least 1 open site: Alabama, Arkansas, California, Colorado, Delaware, Georgia, Illinois, Indiana, Maryland, Massachusetts, Minnesota, Missouri, New York, North Carolina, Ohio, Tennessee, Texas, Utah, Washington, Wisconsin.

Questions about finding a Prader-Willi Syndrome trial near you

Are there Prader-Willi Syndrome clinical trials near me?

As of September 29, 2026, 19 Prader-Willi Syndrome clinical trials are recruiting or about to open (16 recruiting now, 3 opening soon). 8 of them have at least 1 open site in the United States, across 20 states. Enter your ZIP code on this page to rank every one of them by the distance to its closest open site, with the sites shown on a map.

Which states have Prader-Willi Syndrome clinical trial sites?

As of September 29, 2026, recruiting Prader-Willi Syndrome trials list open sites in Alabama, Arkansas, California, Colorado, Delaware, Georgia, Illinois, Indiana, Maryland, Massachusetts, Minnesota, Missouri, New York, North Carolina, Ohio, Tennessee, Texas, Utah, Washington and Wisconsin.

What if there is no Prader-Willi Syndrome trial near me?

Some trials pay for or reimburse travel and lodging, and a few send staff or use local labs so fewer visits happen at the study site, so ask the study contact before ruling a trial out. You can also sign up on this page to get an email when a Prader-Willi Syndrome trial opens a new site or changes status.

How is the distance to a trial site measured?

Distances are straight-line miles from the center of your ZIP code to each study site's listed location, not driving distance. Your browser looks up the ZIP code's coordinates with a free map service, Zippopotam.us, and the ZIP code is never sent to or stored by Trial Friend.

More on Prader-Willi Syndrome

The Prader-Willi Syndrome page has every trial with plain-English eligibility, approved treatments, the medication conflict checker and patient communities.

Source: ClinicalTrials.gov, trials with status Recruiting or Not yet recruiting. Refreshed every 6 hours; counts as of September 29, 2026. Sites that ClinicalTrials.gov lists as closed or withdrawn are left out.