Condition

Williams Syndrome clinical trials and research

• 7Clinical trials
• 3Countries

Newest Williams Syndrome clinical trials

All recruiting trials (7)

• Two-week intensive brain-focused therapy program for children with neurodevelopmental and chromosomal conditions

  This program will try a two-week, individualized multimodal neurorehabilitation approach for children about 4–12 years old with neurodevelopmental or chromosomal conditions to see if it improves attention, motor skills, communication, and daily functioning.

  Recruiting Healing Hope International · The Woodlands, Texas · NCT07493096

• How phonology and sound sensitivity shape language in people with Williams syndrome

  This project tries to see if sensitivity to sound (hyperacusis) and reliance on phonological short-term memory explain why people with Williams syndrome often have strong verbal skills by comparing them to individuals with Down syndrome and typically developing peers using EEG-NIRS and questionnaires.

  Recruiting Centre Hospitalier Universitaire, Amiens · Amiens · NCT07285720

• Understanding Williams Syndrome and related chromosome variants

  This study is looking to learn more about the development, health, and behavior of people with Williams syndrome and related chromosome changes by collecting samples and information from them and their families.

  Recruiting University of Pennsylvania · Philadelphia, Pennsylvania · NCT06930417

• Inclusive physical activity program for adults with intellectual disabilities

  This study is testing a new fitness program for adults with intellectual disabilities to see if it helps them be more active and feel better over 16 weeks.

  Recruiting University of North Carolina, Chapel Hill · Fayetteville, Arkansas and 1 other locations · NCT06740162

• Registry for patients with rare diseases

  This study is creating a central registry for people with rare diseases to help connect them with researchers and improve treatments.

  Recruiting Sanford Health · Sioux Falls, South Dakota · NCT01793168

• Examining brain changes in children with Williams syndrome

  This study looks at how the brains of children with Williams syndrome and similar genetic conditions develop compared to healthy kids, using MRI scans to see the differences.

  Recruiting National Institutes of Health Clinical Center (CC) · Bethesda, Maryland · NCT01132885

• Investigating psychiatric and cognitive traits in specific genetic syndromes

  This study is testing how certain medications can help improve mental and thinking skills in people with Velocardiofacial Syndrome, Williams Syndrome, and Fragile X Syndrome.

  Recruiting Phase 4 The Chaim Sheba Medical Center · Petah Tikva · NCT00768820

Related topics

Quick answers

How many Williams Syndrome clinical trials are recruiting right now?

7, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 3 countries. The most sites are in United States (5 trials), Israel (1 trial), France (1 trial). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 4: 1. Trials with no phase listed are usually device, behavioural or observational studies.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

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