Investigating psychiatric and cognitive traits in specific genetic syndromes

The Psychiatric and Cognitive Phenotypes in Velocardiofacial Syndrome (VCFS), Williams Syndrome (WS)and Fragile X Syndrome Characterization, Treatment and Examining the Connection to Developmental and Molecular Factors

Phase 4 Interventional The Chaim Sheba Medical Center · NCT00768820

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.

Quick facts

PhasePhase 4
Study typeInterventional
Enrollment400 (estimated)
SexAll
SponsorThe Chaim Sheba Medical Center Academic / other
Locations1 site (Petah Tikva)
Trial IDNCT00768820 on ClinicalTrials.gov

What this trial studies

This study aims to explore the psychiatric and cognitive phenotypes associated with Velocardiofacial Syndrome, Williams Syndrome, and Fragile X Syndrome. It involves administering treatments such as methylphenidate, fluoxetine, and risperidone to assess their effects on these phenotypes. The research will also examine the connections between these traits and developmental as well as molecular factors. By characterizing these conditions, the study seeks to enhance understanding and treatment options for affected individuals.

Who should consider this trial

Good fit: Ideal candidates for this study are individuals diagnosed with Velocardiofacial Syndrome, Williams Syndrome, or Fragile X Syndrome who have a proven chromosomal deletion.

Not a fit: Patients without a confirmed chromosomal deletion or those with other unrelated psychiatric conditions may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved treatment strategies for patients with these genetic syndromes.

How similar studies have performed: While there have been studies on the cognitive and psychiatric aspects of these syndromes, this particular approach focusing on treatment effects is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* chromosomal deletion proven by FISH examination

Exclusion Criteria:

Where this trial is running

Petah Tikva

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Velocardiofacial SyndromeWilliams SyndromeFragile X SyndromeVelocardiofacial syndromeWilliams syndromefragile X syndromecognitive phenotypepsychiatric phenotype
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.