Not applicableWithdrawnNCT05430763What this trial is testingMotor Deficits and Signal Conduction in Individuals With Williams SyndromeWho this might be right forWilliams Syndrome Sheba Medical Center
Testing effectiveness (Phase 2)Study completedNCT06315699What this trial is testingClemastine Fumarate in the Treatment of Neurodevelopmental Delays in Williams SyndromeWho this might be right forWilliams SyndromeChildNeurodevelopmental Delay Qilu Hospital of Shandong University 28
Not applicableUnknownNCT04051086What this trial is testingQuantification of Elastin Markers Synthesis in Williams-Beuren Syndrome and 7q11.23 Micro-duplication SyndromeWho this might be right forWilliams-Beuren SyndromeMicro-duplication 7q11.23 SyndromeVasculopathy Hospices Civils de Lyon 90
Not applicableStudy completedNCT02840448What this trial is testingImpact of Elastin Mediated Vascular Stiffness on End OrgansWho this might be right forWilliams SyndromeSupravalvular Aortic StenosisCardiovascular Disease National Heart, Lung, and Blood Institute (NHLBI) 159
Not applicableLooking for participantsNCT01132885What this trial is testingDefining the Brain Phenotype of Children With Williams SyndromeWho this might be right forWilliams SyndromeDuplication National Institute of Mental Health (NIMH) 415
Not applicableLooking for participantsNCT06930417What this trial is testingCharacterization and Natural History of Williams Syndrome and Other Chromosome 7q11.23 VariantsWho this might be right forWilliams Beuren SyndromeWilliams SyndromeWilliams Beuren Region Duplication+1 more University of Pennsylvania 2,000
Not applicableLooking for participantsNCT07285720What this trial is testingPhonological Constraints on Language Development in Individuals With Williams SyndromeWho this might be right forWilliams SyndromeLanguagePhonological Short-Term Memory+1 more Centre Hospitalier Universitaire, Amiens 130
Not applicableLooking for participantsNCT07493096What this trial is testingIntensive Multimodal Neurorehabilitation Targeting Neuroplasticity in Pediatric Neurodevelopmental and Chromosomal DisordersWho this might be right forNeurodevelopmental DisordersNeurodevelopmental Disorders (NDD)Neurodevelopmental Disorders and Developmental Abnormalities+20 more Healing Hope International 100
Not applicableNot Yet RecruitingNCT07469566What this trial is testingCharacterization of the Natural History of Microduplication Syndrome 7q11.23Who this might be right for7q11.23 Microduplication Syndrome (7DUP)Autism Spectrum Disorder (ASD)Neurodevelopmental Disorders (NDD) Hospices Civils de Lyon 15
Post-approval studies (Phase 4)Study completedNCT04807517What this trial is testingBuspirone Treatment of Anxiety in Williams SyndromeWho this might be right forWilliams SyndromeAnxiety Massachusetts General Hospital 20
Not applicableNot Yet RecruitingNCT07537374What this trial is testingA Case-Control Observational Study of Peripheral Blood-Derived iPSC Models to Investigate Oligodendrocyte Lineage Development in Children With Williams Syndrome and Healthy ControlsWho this might be right forWilliams SyndromeInduced Pluripotent Stem Cell (Ips Cell) Qilu Hospital of Shandong University 6
Not applicableUnknownNCT04610424What this trial is testingCooperative Parent Mediated Therapy in Children With Fragile X Syndrome and Williams SyndromeWho this might be right forFragile X SyndromeWilliams Syndrome Bambino Gesù Hospital and Research Institute 14
Testing effectiveness (Phase 2)Study completedNCT00876200What this trial is testingEfficacy of Minoxidil in Children With Williams-Beuren SyndromeWho this might be right forWilliams Beuren Syndrome Hospices Civils de Lyon 21
Not applicableUnknownNCT03827525What this trial is testingCognitive and Behavioral Therapy of Anxiety in Williams SyndromeWho this might be right forWilliams SyndromeAnxiety University Hospital, Montpellier 5
Not applicableStudy completedNCT01864304What this trial is testingFat Distribution and Glucose Metabolism in Williams SyndromeWho this might be right forWilliams Syndrome Massachusetts General Hospital 24
Not applicableLooking for participantsNCT04463316What this trial is testingGROWing Up With Rare GENEtic SyndromesWho this might be right forPrader-Willi SyndromePWS-like SyndromeSilver Russel Syndrome+30 more dr. Laura C. G. de Graaff-Herder 600
Not applicableLooking for participantsNCT06740162What this trial is testingPhysical Activity and Community EmPOWERment ProjectWho this might be right forIntellectual DisabilityNeurodevelopmental DisordersAutism Spectrum Disorder+10 more University of North Carolina, Chapel Hill 376
Not applicableStudy completedNCT00013962What this trial is testingVitamin D Metabolism and the Williams SyndromeWho this might be right forWilliams Syndrome National Center for Research Resources (NCRR)
Not applicableStudy completedNCT02212314What this trial is testingResponse Inhibition Training for Children With Williams SyndromeWho this might be right forWilliams Syndrome University of Wisconsin, Milwaukee 25
Not applicableStudy completedNCT00004351What this trial is testingStudy of Phenotype and Genotype Correlations in Patients With Contiguous Gene Deletion SyndromesWho this might be right forWilliams SyndromeAngelman SyndromePrader-Willi Syndrome+4 more National Institute of Neurological Disorders and Stroke (NINDS) 20