{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Autism+Sibling",
    "query": {
      "condition": "Autism Sibling"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 12,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Autism+Sibling&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T02:18:23.945Z",
  "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": "NCT05307094",
      "title": "Optimizing Intervention Options for Toddlers With Early Social Communication Delays",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Autism Sibling"
      ],
      "interventions": [
        {
          "name": "Improving Parents as Communication Teachers",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Texas at Austin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Months",
        "maximum_age": "18 Months",
        "sex": "ALL",
        "summary": "11 Months to 18 Months"
      },
      "enrollment_count": 44,
      "start_date": "2022-01-15",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-09-03T02:18:23.945Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05307094"
    },
    {
      "nct_id": "NCT03404505",
      "title": "Effects of a Short-term Parent Mediated Social Training on Developmental Trajectories in Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Younger Sibling of Child With Autism Spectrum Disorder",
        "Signs of Developmental Delay",
        "Signs of Communication Delay",
        "Signs of Social Delay"
      ],
      "interventions": [
        {
          "name": "Infant Achievements",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Caregiver Education (CE)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Hugo W. Moser Research Institute at Kennedy Krieger, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Months",
        "maximum_age": "12 Months",
        "sex": "ALL",
        "summary": "8 Months to 12 Months"
      },
      "enrollment_count": 38,
      "start_date": "2017-11-03",
      "completion_date": "2021-01-15",
      "has_results": false,
      "last_update_posted_date": "2025-09-23",
      "last_synced_at": "2026-09-03T02:18:23.945Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03404505"
    },
    {
      "nct_id": "NCT03274622",
      "title": "Efficacy of IMPACT in Infant Siblings of Children With ASD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Autism Spectrum Disorder"
      ],
      "interventions": [
        {
          "name": "Impact Parent Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No Impact",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "18 Months",
        "sex": "ALL",
        "summary": "12 Months to 18 Months"
      },
      "enrollment_count": 97,
      "start_date": "2016-02-16",
      "completion_date": "2019-08-30",
      "has_results": false,
      "last_update_posted_date": "2019-10-02",
      "last_synced_at": "2026-09-03T02:18:23.945Z",
      "location_count": 2,
      "location_summary": "Nashville, Tennessee • Seattle, Washington",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03274622"
    },
    {
      "nct_id": "NCT07494513",
      "title": "Milieu Teaching-AV: Adaptation of Milieu Teaching That Encourages Looking to the Mouth",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Autism",
        "Autism Spectrum Disorder",
        "Autism, Susceptibility to, 6"
      ],
      "interventions": [
        {
          "name": "Milieu Teaching-AV",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Milieu Teaching-NoAV",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Father Flanagan's Boys' Home",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Months",
        "maximum_age": "13 Months",
        "sex": "ALL",
        "summary": "5 Months to 13 Months"
      },
      "enrollment_count": 60,
      "start_date": "2026-04",
      "completion_date": "2029-02",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-09-03T02:18:23.945Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07494513"
    },
    {
      "nct_id": "NCT05098392",
      "title": "Sibling-Mediated Intervention on Literacy and Reciprocity for Children With Autism",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Autism Spectrum Disorder"
      ],
      "interventions": [
        {
          "name": "Sibling-mediated intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Arizona State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "5 Years to 11 Years"
      },
      "enrollment_count": 8,
      "start_date": "2021-11-02",
      "completion_date": "2025-09-07",
      "has_results": false,
      "last_update_posted_date": "2025-09-12",
      "last_synced_at": "2026-09-03T02:18:23.945Z",
      "location_count": 1,
      "location_summary": "Round Rock, Texas",
      "locations": [
        {
          "city": "Round Rock",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05098392"
    },
    {
      "nct_id": "NCT07069413",
      "title": "Sibwatch: Optimizing Intervention Options for Infants and Toddler Siblings of Autistic Children",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Autism Sibling"
      ],
      "interventions": [
        {
          "name": "tele-ImPACT",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Texas at Austin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "24 Months",
        "sex": "ALL",
        "summary": "6 Months to 24 Months"
      },
      "enrollment_count": 140,
      "start_date": "2026-04-01",
      "completion_date": "2032-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-09-03T02:18:23.945Z",
      "location_count": 2,
      "location_summary": "Nashville, Tennessee • Austin, Texas",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07069413"
    },
    {
      "nct_id": "NCT01366885",
      "title": "Vitamin D to Prevent Autism in Newborn Siblings",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Autistic Disorder"
      ],
      "interventions": [
        {
          "name": "Vitamin D3",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "44 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 44 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2008-02",
      "completion_date": "2016-02",
      "has_results": true,
      "last_update_posted_date": "2016-06-14",
      "last_synced_at": "2026-09-03T02:18:23.945Z",
      "location_count": 1,
      "location_summary": "Oregon City, Oregon",
      "locations": [
        {
          "city": "Oregon City",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01366885"
    },
    {
      "nct_id": "NCT05853861",
      "title": "Promoting Early Intervention Timing and Attention to Language",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "MONITOR",
        "COACH"
      ],
      "interventions": [
        {
          "name": "JASPER Babble",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "8 Months",
        "sex": "ALL",
        "summary": "6 Months to 8 Months"
      },
      "enrollment_count": 140,
      "start_date": "2024-11-25",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-31",
      "last_synced_at": "2026-09-03T02:18:23.945Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Worcester, Massachusetts",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05853861"
    },
    {
      "nct_id": "NCT01646866",
      "title": "Early Detection of Autism Spectrum Disorder in Children",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Autism Spectrum Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "St. Louis University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "36 Months",
        "sex": "ALL",
        "summary": "6 Months to 36 Months"
      },
      "enrollment_count": 37,
      "start_date": "2010-12",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2017-03-06",
      "last_synced_at": "2026-09-03T02:18:23.945Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01646866"
    },
    {
      "nct_id": "NCT06794476",
      "title": "Milieu Teaching-AV (MT-AV Pilot)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Autism Sibling",
        "Autism Spectrum Disorder"
      ],
      "interventions": [
        {
          "name": "Milieu Teaching-AV",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Father Flanagan's Boys' Home",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Months",
        "maximum_age": "12 Months",
        "sex": "ALL",
        "summary": "5 Months to 12 Months"
      },
      "enrollment_count": 0,
      "start_date": "2026-03-18",
      "completion_date": "2026-03-18",
      "has_results": false,
      "last_update_posted_date": "2026-03-24",
      "last_synced_at": "2026-09-03T02:18:23.945Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06794476"
    }
  ]
}