[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"mental-retardation-with-language-impairment-and-with-or-without-autistic-features\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:mental-retardation-with-language-impairment-and-with-or-without-autistic-features":43},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":4,"hasResults":10,"nctId":11,"briefTitle":12,"officialTitle":13,"acronym":4,"eligibilityCriteria":14,"healthyVolunteers":10,"sex":15,"minAge":16,"maxAge":4,"enrollmentInfo":17,"targetDuration":4,"studyType":20,"phases":4,"briefSummary":21,"conditions":22,"keywords":26,"overallStatus":31,"whyStopped":4,"lastUpdateSubmitDate":32,"lastUpdatePostDateStruct":33,"startDateStruct":36,"completionDateStruct":38,"leadSponsor":40,"locationsCount":5},"100340929",false,"NCT03718923","FOXP1 Syndrome: The Seaver Autism Center for Research and Treatment is Characterizing FOXP1-related Neurodevelopmental Disorders Using Genetic, Medical, and Neuropsychological Measures.","The Seaver Autism Center for Research and Treatment - Assessment Core","Inclusion Criteria:\n\n* Eligible participants must have a documented variant affecting the FOXP1 gene that the research team determines to be likely or definitely pathogenic.\n* Eligible participants must be at least 2 years of age.\n\nExclusion Criteria:\n\n* none","ALL","2 Years",{"count":18,"type":19},50,"ESTIMATED","OBSERVATIONAL","FOXP1, also known as Forkhead-box Protein P1, is a transcription factor protein belonging to the FOX gene family. Disruptions in the FOXP1 gene cause a phenotype characterized by global developmental delay, speech deficits, mild dysmorphic features, and traits of autism spectrum disorder. This study seeks to characterize FOXP1-related neurodevelopmental disorders using a number of genetic, medical and neuropsychological measures.",[23,24,25],"FOXP1","Mental Retardation With Language Impairment and With or Without Autistic Features","Autism Spectrum Disorder",[23,27,25,28,29,30],"Intellectual Disability","Global Developmental Delay","Neurodevelopmental Deficits","Developmental Disability","RECRUITING","2026-05-24",{"date":34,"type":35},"2026-05-28","ACTUAL",{"date":37,"type":35},"2016-03-28",{"date":39,"type":19},"2028-05",{"name":41,"class":42},"Icahn School of Medicine at Mount Sinai","OTHER",""]