Williams syndrome
MONDO:0008678A rare genetic multisystemic neurodevelopmental disorder characterized by a distinct facial appearance, cardiac anomalies (most frequently supravalvular aortic stenosis), cognitive and developmental abnormalities, and connective tissue abnormalities (such as joint laxity)
Also known as: Williams syndrome, Williams-Beuren syndrome, Williams-Beuren syndrome (WBS), deletion 7q11.23, monosomy 7q11.23, WBS, WMS, chromosome 7Q11.23 deletion syndrome, 1.5- to 1.8-Mb
42 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsBroader categories
-
New study tests medications for brain symptoms in three genetic disorders
Disease control Recruiting nowThis study looks at thinking and mental health issues in people with Velocardiofacial, Williams, and Fragile X syndromes. Researchers will test how well medications like methylphenidate, fluoxetine, and risperidone improve these symptoms. The goal is to better understand and trea…
Phase: PHASE4 • Sponsor: The Chaim Sheba Medical Center • Aim: Disease control
Last updated Jun 27, 2026 11:03 UTC
-
New exercise program aims to get adults with intellectual disability moving more
Disease control Recruiting nowThis study tests a 16-week inclusive exercise program called PACE for adults with intellectual disability. Participants will attend fitness classes, meet with coaches, and use a web dashboard to set goals. The trial includes 376 people and will measure daily steps and moderate-to…
Phase: NA • Sponsor: University of North Carolina, Chapel Hill • Aim: Disease control
Last updated Jun 27, 2026 09:08 UTC
-
New therapy team aims to help picky eaters with developmental disorders
Symptom relief Recruiting nowThis study tests whether a team of a psychologist, speech therapist, and motor therapist can help children aged 2-7 with neurodevelopmental disorders eat more foods and have fewer mealtime struggles. 24 children will be split into two groups: one gets the team therapy, the other …
Phase: NA • Sponsor: IRCCS San Raffaele Roma • Aim: Symptom relief
Last updated Jun 27, 2026 09:08 UTC
-
Kids take the lead: new study lets children with disabilities choose their own therapy goals
Symptom relief Recruiting nowThis study tests a new approach called ENGAGE, where children with disabilities (like autism or cerebral palsy) help set their own therapy goals. About 96 kids aged 5-12 and their therapists will be split into two groups: one using ENGAGE and the other using usual therapy. Resear…
Phase: NA • Sponsor: University of Alberta • Aim: Symptom relief
Last updated Jun 27, 2026 08:08 UTC
-
Can coaching parents boost social skills in kids with disabilities?
Symptom relief Recruiting nowThis study tests whether a speech therapy that involves parents can improve early social and communication skills in children aged 6 months to 5 years with neurodevelopmental disabilities. One group gets the parent-focused therapy, while the other gets standard speech therapy. Re…
Phase: NA • Sponsor: IRCCS Eugenio Medea • Aim: Symptom relief
Last updated Jun 27, 2026 07:59 UTC
-
Heart-Brain link: new study tracks hidden disabilities in babies born with heart defects
Knowledge-focused Recruiting nowThis study follows 450 babies born with serious heart defects to find early signs of developmental delays by 6 months of age. Researchers want to understand why over half of these children face learning, thinking, or behavior challenges later in life. The goal is to identify risk…
Sponsor: Nantes University Hospital • Aim: Knowledge-focused
Last updated Jul 03, 2026 00:00 UTC
-
Massive study seeks families to unlock secrets of childhood brain disorders
Knowledge-focused Recruiting nowThis study aims to learn more about childhood-onset behavioral, psychiatric, and developmental disorders by observing people of all ages who have these conditions, along with their family members. Researchers will collect medical histories, perform psychiatric assessments, and ma…
Sponsor: National Institute of Mental Health (NIMH) • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:02 UTC
-
NIH launches study to map brain changes in kids with rare genetic disorders
Knowledge-focused Recruiting nowThis study aims to understand how the brain develops in children with Williams syndrome or 7q11.23 duplication syndrome, compared to healthy children. Researchers will use MRI scans and cognitive tests to track changes over time. The goal is to learn how these genetic variations …
Sponsor: National Institute of Mental Health (NIMH) • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:00 UTC
-
Brain scans reveal sensory differences in neurodevelopmental disorders
Knowledge-focused Recruiting nowThis study looks at how the brain responds to sensory inputs like sight and sound in 200 children and adults, some with neurodevelopmental disorders (NDD) and some without. Participants will have EEG recordings during sensory tasks, complete behavioral tests, and practice percept…
Sponsor: University Hospital, Tours • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:00 UTC
-
Massive study aims to unlock the mysteries of williams syndrome
Knowledge-focused Recruiting nowThis observational study follows up to 2,000 people with Williams syndrome or related chromosome changes, along with their family members. Researchers will track health, development, behavior, and quality of life from childhood through adulthood. They are also building a biobank …
Sponsor: University of Pennsylvania • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:04 UTC
-
Scientists track Kids' sleep to unlock brain growth secrets
Knowledge-focused Recruiting nowThis study aims to learn how sleep changes as children's brains grow, by collecting sleep and development data from healthy children and those with conditions like autism or ADHD. About 244 children ages 6 months to 8 years will have overnight sleep studies, developmental tests, …
Sponsor: National Institute of Mental Health (NIMH) • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:03 UTC
-
Massive study seeks hidden biological clues in Kids' brain disorders
Knowledge-focused Recruiting nowThis study looks at medical records of 1000 children with conditions like autism, epilepsy, and Down syndrome to find common biological patterns. Researchers want to understand what causes these disorders and how children respond to treatments. The goal is to improve diagnosis an…
Sponsor: Richard Frye • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:08 UTC
-
Intensive brain training shows promise for kids with developmental delays
Knowledge-focused Recruiting nowThis study looks at how a 2-week, personalized therapy program helps children aged 4-12 with conditions like cerebral palsy, autism, or genetic disorders. Kids get about 2.5 hours of tailored therapy each day, focusing on skills like movement, attention, and communication. The go…
Sponsor: Healing Hope International • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:00 UTC
-
New study aims to cut missed doctor visits for kids with developmental disorders
Knowledge-focused Recruiting nowThis study looks at ways to help families show up for their scheduled appointments at clinics for autism and other neurodevelopmental disorders. Researchers will test different types of reminder messages and see if having a patient navigator call high-risk families makes a differ…
Phase: PHASE3 • Sponsor: Hugo W. Moser Research Institute at Kennedy Krieger, Inc. • Aim: Knowledge-focused
Last updated Jun 27, 2026 11:02 UTC
-
Scientists launch study to unlock mysteries of rare neurodevelopmental conditions
Knowledge-focused Recruiting nowThis study observes 100 people with rare genetic neurodevelopmental disorders like Baker Gordon Syndrome and Syt-1 disorder. Researchers will track symptoms, collect genetic and imaging data, and create cell models to better understand these conditions. The goal is to improve dia…
Sponsor: University of Missouri-Columbia • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:10 UTC
-
Brain scans reveal why people with williams syndrome talk so well
Knowledge-focused Recruiting nowThis study looks at how hearing sensitivity (hyperacusis) might help language skills in children and adults with Williams syndrome. Researchers will use EEG and NIRS brain scans along with questionnaires to compare participants with Williams syndrome, Down syndrome, and typical d…
Phase: NA • Sponsor: Centre Hospitalier Universitaire, Amiens • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:03 UTC
-
Massive study tracks 1,000 people with rare genetic brain conditions to map symptoms
Knowledge-focused Recruiting nowThis study follows 1,000 people who have certain genetic changes (hnRNP and others) that may cause developmental delays, autism, seizures, or muscle problems. Researchers collect medical records, school reports, and questionnaires to see how these gene variants affect behavior, t…
Sponsor: Columbia University • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:55 UTC
-
Letting kids set their own therapy goals: a game changer?
Knowledge-focused Recruiting nowThis study tests whether a child-focused goal-setting method called ENGAGE helps children with neurodevelopmental disabilities do better in therapy. About 96 kids aged 5-12 and their therapists will be split into two groups: one using ENGAGE and one using usual care. Researchers …
Phase: NA • Sponsor: University of Alberta • Aim: Knowledge-focused
Last updated Jun 26, 2026 18:10 UTC