[{"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":25},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":4,"eligibilityCriteria":15,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":4,"enrollmentInfo":18,"targetDuration":4,"studyType":21,"phases":4,"briefSummary":22,"conditions":23,"keywords":27,"overallStatus":32,"whyStopped":4,"lastUpdateSubmitDate":33,"lastUpdatePostDateStruct":34,"startDateStruct":37,"completionDateStruct":39,"leadSponsor":41,"locationsCount":5},"100340929","foxp1-syndrome-the-seaver-autism-center-for-research-and-treatment-is-characterizing-foxp1-related-neurodevelopmental-disorders-using-genetic-medical-and-neuropsychological-measures-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":19,"type":20},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.",[24,25,26],"FOXP1","Mental Retardation With Language Impairment and With or Without Autistic Features","Autism Spectrum Disorder",[24,28,26,29,30,31],"Intellectual Disability","Global Developmental Delay","Neurodevelopmental Deficits","Developmental Disability","RECRUITING","2026-05-24",{"date":35,"type":36},"2026-05-28","ACTUAL",{"date":38,"type":36},"2016-03-28",{"date":40,"type":20},"2028-05",{"name":42,"class":43},"Icahn School of Medicine at Mount Sinai","OTHER"]