Prader-Willi syndrome
MONDO:0008300Prader-Willi syndrome is a rare genetic disorder characterized by hypothalamic-pituitary abnormalities with severe hypotonia during the neonatal period and first two years of life and the onset of hyperphagia with a risk of morbid obesity during infancy and adulthood, learning difficulties and behavioral problems or severe psychiatric problems.
Also known as: Prader-Labhart-Willi syndrome, Prader-Willi syndrome, Prader-Willi-Labhart syndrome, Willi-Prader syndrome, PWS, Prader-Willi syndrome chromosome region, Prader-Willi-like syndrome associated with chromosome 6, obesity, muscular hypotonia, intellectual disability, short stature, hypogonadotropic hypogonadism, and small hands and feet
64 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsSub-types
Broader categories
-
New drug under observation for rare genetic disorder
Disease control ENROLLING_BY_INVITATIONThis study follows about 200 people with Prader-Willi syndrome who are taking or starting VYKAT XR. Researchers will track side effects and how the drug affects their health over time. The goal is to gather more safety information, not to test if the drug cures the condition.
Sponsor: Soleno Therapeutics, Inc. • Aim: Disease control
Last updated Jun 27, 2026 12:35 UTC
-
New drug pitolisant tested for safety in rare genetic disorder
Disease control ENROLLING_BY_INVITATIONThis phase 3 trial is testing the safety of pitolisant in 150 people with Prader-Willi syndrome who have already taken the drug in a previous study. Participants will receive pitolisant tablets and be monitored for side effects. The goal is to see if pitolisant is safe for long-t…
Phase: PHASE3 • Sponsor: Harmony Biosciences Management, Inc. • Aim: Disease control
Last updated Jun 27, 2026 11:02 UTC
-
New drug aims to curb hunger in Prader-Willi syndrome
Disease control OngoingThis phase 2 trial tests setmelanotide (Imcivree), a daily injection, in 18 people aged 6 to 65 with Prader-Willi syndrome who have obesity. The study will check if the drug is safe and helps reduce body weight and hunger over 52 weeks.
Phase: PHASE2 • Sponsor: Rhythm Pharmaceuticals, Inc. • Aim: Disease control
Last updated Jun 27, 2026 09:04 UTC
-
New nasal spray aims to curb relentless hunger in rare genetic disorder
Disease control ENROLLING_BY_INVITATIONThis study tests the long-term safety of a nasal spray called carbetocin for people with Prader-Willi syndrome who experience severe, constant hunger (hyperphagia). About 160 participants who completed a previous study will receive the spray three times daily. The goal is to see …
Phase: PHASE3 • Sponsor: ACADIA Pharmaceuticals Inc. • Aim: Disease control
Last updated Jun 27, 2026 08:01 UTC
-
Newborn screening study aims to catch rare diseases at birth
Diagnosis OngoingThis study offers voluntary screening for newborns in North Carolina to detect a wide range of rare health conditions early. Using a small blood sample already collected at birth, the program tests for dozens of disorders, including spinal muscular atrophy, cystic fibrosis, and m…
Sponsor: RTI International • Aim: Diagnosis
Last updated Jul 03, 2026 00:00 UTC
-
Virtual reality could calm anxious kids with autism at the dentist
Symptom relief ENROLLING_BY_INVITATIONThis study tests whether wearing a virtual reality (VR) headset during dental treatment can reduce fear and stress in children with mild intellectual disabilities or autism spectrum disorder. Two hundred children aged 6 to 12 will either receive standard dental care or use a VR h…
Phase: NA • Sponsor: Semmelweis University • Aim: Symptom relief
Last updated Jun 27, 2026 14:02 UTC
-
Could a gentle nerve zap curb explosive outbursts in Prader-Willi syndrome?
Symptom relief OngoingThis phase 3 study tests a device that gently stimulates the vagus nerve through the skin (tVNS) to see if it can safely reduce temper outbursts in people with Prader-Willi syndrome. About 102 participants aged 10 to 40 will use either continuous or intermittent stimulation. The …
Phase: PHASE3 • Sponsor: Foundation for Prader-Willi Research • Aim: Symptom relief
Last updated Jun 27, 2026 12:04 UTC
-
Robot suit helps kids with movement disorders take steps at home
Symptom relief OngoingThis study tests a wearable robotic exoskeleton called EXPLORER in 15 children with movement problems from conditions like cerebral palsy. The goal is to see if it helps them walk better in their everyday environments, such as home and the community. The study focuses on safety, …
Phase: NA • Sponsor: MarsiBionics • Aim: Symptom relief
Last updated Jun 27, 2026 07:51 UTC
-
New nasal spray aims to tame relentless hunger in rare genetic disorder
Symptom relief OngoingThis Phase 3 trial tests a nasal spray called carbetocin to reduce the intense, constant hunger (hyperphagia) in people with Prader-Willi syndrome. The study involves 170 participants aged 5 to 30 and lasts 12 weeks. Caregivers will rate changes in hunger-related behaviors using …
Phase: PHASE3 • Sponsor: ACADIA Pharmaceuticals Inc. • Aim: Symptom relief
Last updated Jun 26, 2026 16:16 UTC
-
Brain scans reveal hidden links between body diseases and metabolism
Knowledge-focused OngoingThis study watches 200 people with lung, gut, or hormone diseases over time using special brain scans (PET). It aims to see how these diseases change brain activity and whether those changes can predict tumor return, spread, or survival. No new treatment is tested—just observatio…
Sponsor: The First Affiliated Hospital of Zhengzhou University • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:52 UTC
-
10,000 genomes scoured for clues to rare brain diseases
Knowledge-focused ENROLLING_BY_INVITATIONThis study will analyze DNA from 10,000 people with suspected rare genetic disorders affecting the brain. Researchers will map structural changes in chromosomes to find which genes cause disease. The goal is to improve genetic diagnosis and lay groundwork for future treatments.
Sponsor: Karolinska Institutet • Aim: Knowledge-focused
Last updated Jun 26, 2026 13:56 UTC