{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Deaf&page=3",
    "query": {
      "condition": "Deaf",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 70,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Deaf&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Deaf&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T18:02:06.179Z",
  "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": "NCT04988451",
      "title": "Family ASL: Longitudinal Study of Deaf Children and Hearing Parents Who Receive Services to Support the Learning of ASL",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Deafness",
        "Hearing Loss"
      ],
      "interventions": [
        {
          "name": "ASL Services",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Connecticut",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2021-07-20",
      "completion_date": "2025-11-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-11",
      "last_synced_at": "2026-10-19T18:02:06.179Z",
      "location_count": 1,
      "location_summary": "Storrs, Connecticut",
      "locations": [
        {
          "city": "Storrs",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04988451"
    },
    {
      "nct_id": "NCT00604474",
      "title": "Development of Auditory Skills in Young Deaf Children With Bilateral Cochlear Implants",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Deafness"
      ],
      "interventions": [
        {
          "name": "HiResolution Bionic Ear System (Cochlear Implant)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "36 Months",
        "sex": "ALL",
        "summary": "12 Months to 36 Months"
      },
      "enrollment_count": 0,
      "start_date": "2007-10",
      "completion_date": "2010-05",
      "has_results": false,
      "last_update_posted_date": "2012-02-06",
      "last_synced_at": "2026-10-19T18:02:06.179Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00604474"
    },
    {
      "nct_id": "NCT06577506",
      "title": "Diabetes Education and Care for Deaf Populations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "Deaf Diabetes Can Together",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2023-08-17",
      "completion_date": "2024-09-01",
      "has_results": false,
      "last_update_posted_date": "2025-04-10",
      "last_synced_at": "2026-10-19T18:02:06.179Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06577506"
    },
    {
      "nct_id": "NCT03011541",
      "title": "Stem Cell Ophthalmology Treatment Study II",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Retinal Disease",
        "Age-Related Macular Degeneration",
        "Retinitis Pigmentosa",
        "Stargardt Disease",
        "Optic Neuropathy",
        "Nonarteritic Ischemic Optic Neuropathy",
        "Optic Atrophy",
        "Optic Nerve Disease",
        "Glaucoma",
        "Leber Hereditary Optic Neuropathy",
        "Blindness",
        "Vision Loss Night",
        "Vision Loss Partial",
        "Vision, Low",
        "Retinopathy",
        "Maculopathy",
        "Macular Degeneration",
        "Retina Atrophy"
      ],
      "interventions": [
        {
          "name": "Arm 1",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "MD Stem Cells",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2016-01",
      "completion_date": "2028-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-10-19T18:02:06.179Z",
      "location_count": 2,
      "location_summary": "Westport, Connecticut • Coral Springs, Florida",
      "locations": [
        {
          "city": "Westport",
          "state": "Connecticut"
        },
        {
          "city": "Coral Springs",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03011541"
    },
    {
      "nct_id": "NCT05085964",
      "title": "An Open-Label Extension Study to Evaluate Safety & Tolerability of QR-421a in Subjects With Retinitis Pigmentosa",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Retinitis Pigmentosa",
        "Usher Syndrome Type 2"
      ],
      "interventions": [
        {
          "name": "RNA antisense oligonucleotide for intravitreal injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Laboratoires Thea",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2021-09-16",
      "completion_date": "2022-10-18",
      "has_results": true,
      "last_update_posted_date": "2024-08-07",
      "last_synced_at": "2026-10-19T18:02:06.179Z",
      "location_count": 4,
      "location_summary": "Boston, Massachusetts • Ann Arbor, Michigan • Portland, Oregon + 1 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05085964"
    },
    {
      "nct_id": "NCT03966144",
      "title": "RoboHear™ Device: Advanced Haptic Technology That Allows the Deaf to Understand Speech",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Impairment",
        "Deafness"
      ],
      "interventions": [
        {
          "name": "RoboHear Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2020-03-25",
      "completion_date": "2020-03-25",
      "has_results": false,
      "last_update_posted_date": "2020-05-20",
      "last_synced_at": "2026-10-19T18:02:06.179Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03966144"
    },
    {
      "nct_id": "NCT01530659",
      "title": "Retinal Imaging in CNTF -Releasing Encapsulated Cell Implant Treated Patients for Early-stage Retinitis Pigmentosa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Retinitis Pigmentosa",
        "Usher Syndrome Type 2",
        "Usher Syndrome Type 3"
      ],
      "interventions": [
        {
          "name": "NT-501",
          "type": "DRUG"
        },
        {
          "name": "Sham",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Neurotech Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 22,
      "start_date": "2012-01",
      "completion_date": "2019-07-01",
      "has_results": true,
      "last_update_posted_date": "2023-02-14",
      "last_synced_at": "2026-10-19T18:02:06.179Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01530659"
    },
    {
      "nct_id": "NCT02065011",
      "title": "A Study to Determine the Long-Term Safety, Tolerability and Biological Activity of SAR421869 in Patients With Usher Syndrome Type 1B",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Usher's Syndrome"
      ],
      "interventions": [
        {
          "name": "Blood draw for the laboratory assessment",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2013-09-12",
      "completion_date": "2031-06-13",
      "has_results": false,
      "last_update_posted_date": "2026-01-13",
      "last_synced_at": "2026-10-19T18:02:06.179Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02065011"
    },
    {
      "nct_id": "NCT02829268",
      "title": "A Clinical Trial of Dantrolene Sodium in Pediatric and Adult Patients With Wolfram Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Wolfram Syndrome",
        "Diabetes Mellitus",
        "Optic Nerve Atrophy",
        "Ataxia"
      ],
      "interventions": [
        {
          "name": "dantrolene sodium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "5 Years to 60 Years"
      },
      "enrollment_count": 21,
      "start_date": "2017-01",
      "completion_date": "2023-02",
      "has_results": true,
      "last_update_posted_date": "2024-03-13",
      "last_synced_at": "2026-10-19T18:02:06.179Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02829268"
    },
    {
      "nct_id": "NCT04857255",
      "title": "Technology-assisted Language Intervention (TALI)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss, Bilateral",
        "Language Development"
      ],
      "interventions": [
        {
          "name": "Technology assisted language intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Treatment as usual",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "3 Years to 10 Years"
      },
      "enrollment_count": 143,
      "start_date": "2020-10-15",
      "completion_date": "2026-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-19T18:02:06.179Z",
      "location_count": 2,
      "location_summary": "Aurora, Colorado • Cincinnati, Ohio",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04857255"
    }
  ]
}