{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Intellectual+and+Developmental+Disability&page=2",
    "query": {
      "condition": "Intellectual and Developmental Disability",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Intellectual+and+Developmental+Disability&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T20:18:32.518Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT02171104",
      "title": "MT2013-31: Allo HCT for Metabolic Disorders and Severe Osteopetrosis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Mucopolysaccharidosis Disorders",
        "Hurler Syndrome",
        "Hunter Syndrome",
        "Maroteaux Lamy Syndrome",
        "Sly Syndrome",
        "Alpha-Mannosidosis",
        "Fucosidosis",
        "Aspartylglucosaminuria",
        "Glycoprotein Metabolic Disorders",
        "Sphingolipidoses",
        "Recessive Leukodystrophies",
        "Globoid Cell Leukodystrophy",
        "Metachromatic Leukodystrophy",
        "Niemann-Pick B",
        "Niemann-Pick C Subtype 2",
        "Sphingomyelin Deficiency",
        "Peroxisomal Disorders",
        "Adrenoleukodystrophy With Cerebral Involvement",
        "Zellweger Syndrome",
        "Neonatal Adrenoleukodystrophy",
        "Infantile Refsum Disease",
        "Acyl-CoA Oxidase Deficiency",
        "D-Bifunctional Enzyme Deficiency",
        "Multifunctional Enzyme Deficiency",
        "Alpha-methylacyl-CoA Racmase Deficiency",
        "Mitochondrial Neurogastrointestingal Encephalopathy",
        "Severe Osteopetrosis",
        "Hereditary Leukoencephalopathy With Axonal Spheroids (HDLS; CSF1R Mutation)",
        "Inherited Metabolic Disorders"
      ],
      "interventions": [
        {
          "name": "Stem Cell Transplantation",
          "type": "BIOLOGICAL"
        },
        {
          "name": "IMD Preparative Regimen",
          "type": "DRUG"
        },
        {
          "name": "Osteopetrosis Only Preparative Regimen",
          "type": "DRUG"
        },
        {
          "name": "Osteopetrosis Haploidentical Only Preparative Regimen",
          "type": "DRUG"
        },
        {
          "name": "cALD SR-A (Standard-Risk, Regimen A)",
          "type": "DRUG"
        },
        {
          "name": "cALD SR-B (Standard-Risk, Regimen B)",
          "type": "DRUG"
        },
        {
          "name": "cALD HR-D (High-Risk, Regimen C)",
          "type": "DRUG"
        },
        {
          "name": "cALD HR-D (High-Risk, Regimen D)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "Up to 55 Years"
      },
      "enrollment_count": 149,
      "start_date": "2014-07-10",
      "completion_date": "2029-07-14",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-07-22T20:18:32.518Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02171104"
    },
    {
      "nct_id": "NCT06112249",
      "title": "SAFE Workplace Intervention for People With IDD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Communicable Diseases",
        "Prevention",
        "Workplace Intervention"
      ],
      "interventions": [
        {
          "name": "SAFE Employment Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Temple University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2023-10-24",
      "completion_date": "2025-09-01",
      "has_results": true,
      "last_update_posted_date": "2026-01-28",
      "last_synced_at": "2026-07-22T20:18:32.518Z",
      "location_count": 2,
      "location_summary": "Collingswood, New Jersey • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Collingswood",
          "state": "New Jersey"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06112249"
    },
    {
      "nct_id": "NCT06092346",
      "title": "A Natural History Study Seeks to Understand the Clinical, Genomic, Pharmacological, Laboratory, and Dietary Determinates of Pyrimidine and Purine Metabolism Disorders",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "AMPD3, OMIM*102772, AMP Deaminase Deficiency",
        "AK1, OMIM *103000, Adenylate Kinase Deficiency",
        "AMPD1, OMIM *102770, Myopathy Due to Myoadenylate Deaminase Deficiency",
        "TPMT, OMIM *187680, Thoipurines, Poor Metabolism of",
        "IMPDH1, OMIM *146690, Retinitis Pigmentosa Type 10, Leber Congenital Amauriosis Type 11",
        "APRT, OMIM *102600, Adenine Phosphoribosyltransferase Deficiency",
        "HPRT1, OMIM *308000 Lesch-Nyhan Disease",
        "XDH, OMIM *607633, Xanthinuria Type 1",
        "SLC2A9, OMIM *606142 Hypouricemia",
        "SLC22A12, OMIM *607096 Hypouricemia",
        "PRPS1 Def, OMIM *311850, Arts Syndrome; Charcot-Marie-Tooth Disease",
        "PRPS1 SA, OMIM *311850 Gout, PRPS-related Phosphoribosylpyrophosphate Synthetase Superactivity",
        "AMPD2, OMIM *102771, Spastic Paraplegia 63; Pontocerebellar Hypoplasia",
        "ITPA, OMIM *147520, Inosine Triphosphatase Deficiency; Developmental and Epileptic Encephalopathy 35",
        "ADSL, OMIM *608222, Adenylosuccinate Lyase Deficiency",
        "PNP, OMIM *164050, Nucleoside Phosphorylase Deficiency",
        "ADA2, OMIM *607575,Sneddon Syndrome; VAIHS",
        "CAD, *1140120, Developmental and Epileptic Encephalopathy",
        "UPB1, OMIM *606673, Beta-ureidopropionase Deficiency",
        "DPYS, OMIM *613326, Dihydropyrimidinase Deficiency",
        "DPYD, OMIM *274270, Dihydropyrimidine Dehydrogenase Deficiency",
        "DHODH, OMIM *126064, Miller Syndrome (Postaxial Acrofacial Dysostosis)",
        "UMPS, OMIM *613891, Orotic Aciduria",
        "NT5C3A<TAB>, OMIM *606224, Anemia, Hemolytic, Due to UMPH1 Deficiency",
        "UNG, OMIM *191525, Hyper-IgM Syndrome 5",
        "AICDA, OMIM *605257, Immunodeficiency With Hyper-IgM, Type 2; HIGM2",
        "Purine-Pyrimidine Metabolism",
        "Metabolic Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Human Genome Research Institute (NHGRI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "1 Month to 100 Years"
      },
      "enrollment_count": 999,
      "start_date": "2023-12-19",
      "completion_date": "2099-01-01",
      "has_results": false,
      "last_update_posted_date": "2025-09-04",
      "last_synced_at": "2026-07-22T20:18:32.518Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06092346"
    },
    {
      "nct_id": "NCT06740162",
      "title": "Physical Activity and Community EmPOWERment Project",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Intellectual Disability",
        "Neurodevelopmental Disorders",
        "Autism Spectrum Disorder",
        "Down Syndrome",
        "Fragile X Syndrome",
        "Cri-du-Chat Syndrome",
        "De Lange Syndrome",
        "Mental Retardation, X-Linked",
        "Prader-Willi Syndrome",
        "Rubinstein-Taybi Syndrome",
        "Trisomy 13 Syndrome",
        "WAGR Syndrome",
        "Williams Syndrome"
      ],
      "interventions": [
        {
          "name": "PACE Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 376,
      "start_date": "2025-01-10",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-02-23",
      "last_synced_at": "2026-07-22T20:18:32.518Z",
      "location_count": 2,
      "location_summary": "Fayetteville, Arkansas • Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06740162"
    },
    {
      "nct_id": "NCT00879515",
      "title": "Examining Social, Emotional, and Cognitive Functioning in People With Fragile X and Down Syndromes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anxiety Disorders",
        "Child Developmental Disorders, Pervasive"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "5 Years to 25 Years"
      },
      "enrollment_count": 511,
      "start_date": "2005-10",
      "completion_date": "2010-09",
      "has_results": false,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-07-22T20:18:32.518Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00879515"
    },
    {
      "nct_id": "NCT04337697",
      "title": "Neonatal Seizure Registry - Developmental Functional EValuation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neonatal Seizure",
        "Hypoxic-Ischemic Encephalopathy",
        "Stroke",
        "Intracranial Hemorrhages",
        "Epilepsy",
        "Cerebral Palsy",
        "Intellectual Disability"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "2 Years to 8 Years"
      },
      "enrollment_count": 188,
      "start_date": "2020-03-15",
      "completion_date": "2025-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-05",
      "last_synced_at": "2026-07-22T20:18:32.518Z",
      "location_count": 9,
      "location_summary": "San Francisco, California • Stanford, California • Washington D.C., District of Columbia + 5 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04337697"
    },
    {
      "nct_id": "NCT06259201",
      "title": "Vagus Nerve Stimulator for Autism and Other Developmental Disorders",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Autism Spectrum Disorder",
        "Intellectual Disability",
        "Autonomic Nervous System",
        "Developmental Disability"
      ],
      "interventions": [
        {
          "name": "Vagus Nerve Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "New York State Institute for Basic Research",
      "sponsor_class": "OTHER_GOV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "12 Years to 40 Years"
      },
      "enrollment_count": 0,
      "start_date": "2025-05",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-13",
      "last_synced_at": "2026-07-22T20:18:32.518Z",
      "location_count": 2,
      "location_summary": "New York, New York • Staten Island, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Staten Island",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06259201"
    },
    {
      "nct_id": "NCT06930417",
      "title": "Characterization and Natural History of Williams Syndrome and Other Chromosome 7q11.23 Variants",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Williams Beuren Syndrome",
        "Williams Syndrome",
        "Williams Beuren Region Duplication",
        "Dup7"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 2000,
      "start_date": "2024-10-21",
      "completion_date": "2045-10-21",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-07-22T20:18:32.518Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06930417"
    },
    {
      "nct_id": "NCT03423940",
      "title": "Resurgence as Choice: Basic and Clinical Studies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Problem Behavior",
        "Self-injury",
        "Communication"
      ],
      "interventions": [
        {
          "name": "Functional communication training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "3 Years to 19 Years"
      },
      "enrollment_count": 17,
      "start_date": "2018-06-28",
      "completion_date": "2023-08-02",
      "has_results": true,
      "last_update_posted_date": "2024-09-03",
      "last_synced_at": "2026-07-22T20:18:32.518Z",
      "location_count": 1,
      "location_summary": "Somerset, New Jersey",
      "locations": [
        {
          "city": "Somerset",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03423940"
    },
    {
      "nct_id": "NCT03718936",
      "title": "ADNP Syndrome: The Seaver Autism Center for Research and Treatment is Characterizing ADNP-related Neurodevelopmental Disorders Using Genetic, Medical, and Neuropsychological Measures.",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "ADNP",
        "Helsmoortel-Van Der Aa Syndrome",
        "Autism Spectrum Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2017-11-14",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2025-05-09",
      "last_synced_at": "2026-07-22T20:18:32.518Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03718936"
    }
  ]
}