{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Congenital+Sensorineural+Deafness&page=2",
    "query": {
      "condition": "Congenital Sensorineural Deafness",
      "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=Congenital+Sensorineural+Deafness&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T19:59:10.648Z",
  "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": "NCT00001347",
      "title": "Study of Usher Syndromes, Type 1 and Type 2",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Eye Institute (NEI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 200,
      "start_date": "1993-06",
      "completion_date": "2002-08",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-07-22T19:59:10.648Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001347"
    },
    {
      "nct_id": "NCT06789445",
      "title": "A Study to Investigate the Safety of OpCT-001 in Adults Who Have Primary Photoreceptor Disease (CLARICO)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Primary Photoreceptor Disease",
        "Retinitis Pigmentosa (RP)",
        "Usher Syndrome",
        "Inherited Retinal Disease (IRD)",
        "Rod-Cone Dystrophy",
        "Rod-Cone Disease",
        "Retinal Degeneration",
        "Cone-Rod Disease (C-RD)",
        "Cone-Rod Dystrophy"
      ],
      "interventions": [
        {
          "name": "OpCT-001",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "BlueRock Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2025-03-10",
      "completion_date": "2030-10",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-07-22T19:59:10.648Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • Miami, Florida • Philadelphia, Pennsylvania + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06789445"
    },
    {
      "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": "2026-07-22T19:59:10.648Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01530659"
    },
    {
      "nct_id": "NCT06627179",
      "title": "Study to Evaluate Ultevursen in Subjects With Retinitis Pigmentosa (RP) Due to Mutations in Exon 13 of the USH2A Gene",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Retinitis Pigmentosa (RP)",
        "Usher Syndrome Type 2",
        "Deaf Blind",
        "Retinal Disease",
        "Eye Diseases, Hereditary",
        "Eye Disorders Congenital",
        "Vision Disorders"
      ],
      "interventions": [
        {
          "name": "Intravitreal Injection of Ultevursen",
          "type": "DRUG"
        },
        {
          "name": "No intervention, will not receive any active study intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Laboratoires Thea",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 81,
      "start_date": "2024-12-11",
      "completion_date": "2028-07",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-07-22T19:59:10.648Z",
      "location_count": 10,
      "location_summary": "San Francisco, California • Miami, Florida • Atlanta, Georgia + 7 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06627179"
    },
    {
      "nct_id": "NCT02497690",
      "title": "Effectiveness of Therapy Via Telemedicine Following Cochlear Implants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Congenital Sensorineural Deafness"
      ],
      "interventions": [
        {
          "name": "Telemedicine",
          "type": "BEHAVIORAL"
        },
        {
          "name": "In-person ART",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "6 Months to 6 Years"
      },
      "enrollment_count": 77,
      "start_date": "2013-09",
      "completion_date": "2019-12-09",
      "has_results": false,
      "last_update_posted_date": "2021-01-19",
      "last_synced_at": "2026-07-22T19:59:10.648Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02497690"
    },
    {
      "nct_id": "NCT02435940",
      "title": "Inherited Retinal Degenerative Disease Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Eye Diseases Hereditary",
        "Retinal Disease",
        "Achromatopsia",
        "Bardet-Biedl Syndrome",
        "Bassen-Kornzweig Syndrome",
        "Batten Disease",
        "Best Disease",
        "Choroidal Dystrophy",
        "Choroideremia",
        "Cone Dystrophy",
        "Cone-Rod Dystrophy",
        "Congenital Stationary Night Blindness",
        "Enhanced S-Cone Syndrome",
        "Fundus Albipunctatus",
        "Goldmann-Favre Syndrome",
        "Gyrate Atrophy",
        "Juvenile Macular Degeneration",
        "Kearns-Sayre Syndrome",
        "Leber Congenital Amaurosis",
        "Refsum Syndrome",
        "Retinitis Pigmentosa",
        "Retinitis Punctata Albescens",
        "Retinoschisis",
        "Rod-Cone Dystrophy",
        "Rod Dystrophy",
        "Rod Monochromacy",
        "Stargardt Disease",
        "Usher Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Foundation Fighting Blindness",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 20000,
      "start_date": "2014-06",
      "completion_date": "2037-06",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-07-22T19:59:10.648Z",
      "location_count": 1,
      "location_summary": "Columbia, Maryland",
      "locations": [
        {
          "city": "Columbia",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02435940"
    },
    {
      "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": "2026-07-22T19:59:10.648Z",
      "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": "NCT04906135",
      "title": "Auditory Neural Function in Implanted Patients With Usher Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Usher Syndrome",
        "Cochlear Implantation"
      ],
      "interventions": [
        {
          "name": "Experimental manipulation of stimulation parameters",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "1 Year to 85 Years"
      },
      "enrollment_count": 29,
      "start_date": "2021-10-01",
      "completion_date": "2025-07-11",
      "has_results": false,
      "last_update_posted_date": "2025-07-29",
      "last_synced_at": "2026-07-22T19:59:10.648Z",
      "location_count": 4,
      "location_summary": "Boston, Massachusetts • Columbus, Ohio • Nashville, Tennessee",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04906135"
    },
    {
      "nct_id": "NCT05176717",
      "title": "Study to Evaluate the Efficacy Safety and Tolerability of QR-421a in Subjects With RP Due to Mutations in Exon 13 of the USH2A Gene With Early to Moderate Vision Loss (Celeste)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Retinitis Pigmentosa",
        "Usher Syndrome Type 2",
        "Deaf Blind",
        "Retinal Disease",
        "Eye Diseases",
        "Eye Diseases, Hereditary",
        "Eye Disorders Congenital",
        "Vision Disorders"
      ],
      "interventions": [
        {
          "name": "QR-421a",
          "type": "DRUG"
        },
        {
          "name": "Sham-procedure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "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": 5,
      "start_date": "2021-12-15",
      "completion_date": "2022-08-02",
      "has_results": true,
      "last_update_posted_date": "2024-08-07",
      "last_synced_at": "2026-07-22T19:59:10.648Z",
      "location_count": 2,
      "location_summary": "Dallas, Texas • Madison, Wisconsin",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05176717"
    },
    {
      "nct_id": "NCT00106743",
      "title": "Natural History and Genetic Studies of Usher Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Retinitis Pigmentosa Syndromic",
        "Congenital Deafness",
        "Usher Syndrome",
        "Retinitis Pigmentosa and Deafness",
        "Retinitis Pigmentosa"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Eye Institute (NEI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 249,
      "start_date": "2005-03-21",
      "completion_date": "2019-04-30",
      "has_results": false,
      "last_update_posted_date": "2019-12-12",
      "last_synced_at": "2026-07-22T19:59:10.648Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland • New York, New York",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00106743"
    }
  ]
}