{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Deaf+Blind&page=2",
    "query": {
      "condition": "Deaf Blind",
      "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=Deaf+Blind&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T04:16:37.466Z",
  "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": "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": "2026-06-10T04:16:37.466Z",
      "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": "NCT06938542",
      "title": "Palliative Care Needs of Children With Rare Diseases and Their Families",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Trisomy 13 Syndrome",
        "Arthrogryposis Congenita Multiplex With Intestinal Atresia",
        "Asparagine Synthetase Deficiency",
        "CHARGE Syndrome",
        "Early Infantile Epileptic Encephalopathy",
        "FOXG1 Syndrome",
        "KBG Syndrome",
        "Noonan Syndrome",
        "Severe Hemophilia A",
        "Short Bowel Syndrome",
        "Beta-Propeller Protein-Associated Neurodegeneration",
        "Brain Injury of Prematurity With Periventricular Leukomalacia",
        "Chromosome 17p13.3 Microdeletion Syndrome",
        "Chromosome 1q43-1q44 Deletion",
        "Cockayne Syndrome",
        "Congenital Diaphragmatic Hernia",
        "End-Stage Renal Disease With Cloacal Anomaly",
        "Mitochondrial Depletion Disorder",
        "Severe Factor VII Deficiency"
      ],
      "interventions": [
        {
          "name": "Family Centered pediatric palliative care for family caregivers of children with rare diseases.",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's National Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "12 Months to 99 Years"
      },
      "enrollment_count": 480,
      "start_date": "2025-10-02",
      "completion_date": "2029-08-02",
      "has_results": false,
      "last_update_posted_date": "2026-01-28",
      "last_synced_at": "2026-06-10T04:16:37.466Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06938542"
    },
    {
      "nct_id": "NCT05676034",
      "title": "AMX0035 in Adult Patients With Wolfram Syndrome",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Wolfram Syndrome"
      ],
      "interventions": [
        {
          "name": "AMX0035",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amylyx Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "17 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2023-03-03",
      "completion_date": "2028-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-14",
      "last_synced_at": "2026-06-10T04:16:37.466Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05676034"
    },
    {
      "nct_id": "NCT03780257",
      "title": "Study to Evaluate Safety and Tolerability of QR-421a in Subjects With RP Due to Mutations in Exon 13 of the USH2A Gene",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "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 (dose cohort 1&2 only)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "ProQR Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2019-03-06",
      "completion_date": "2021-10-14",
      "has_results": false,
      "last_update_posted_date": "2022-04-20",
      "last_synced_at": "2026-06-10T04:16:37.466Z",
      "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/NCT03780257"
    },
    {
      "nct_id": "NCT05355415",
      "title": "Adaptive Optics Imaging of Outer Retinal Diseases",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Retinal Degeneration",
        "Age-Related Macular Degeneration",
        "Retinitis Pigmentosa",
        "Hydroxychloroquine Retinopathy",
        "Usher Syndromes",
        "Late-Onset Retinal Degeneration",
        "Cone Dystrophy",
        "Cone Rod Dystrophy",
        "Rod Cone Dystrophy",
        "Rod Dystrophy"
      ],
      "interventions": [
        {
          "name": "Adaptive optics imaging",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Food and Drug Administration (FDA)",
      "sponsor_class": "FED",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2021-08-27",
      "completion_date": "2028-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-06-10T04:16:37.466Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland • Silver Spring, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Silver Spring",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05355415"
    },
    {
      "nct_id": "NCT05158296",
      "title": "Study to Evaluate the Efficacy Safety and Tolerability of Ultevursen in Subjects With RP Due to Mutations in Exon 13 of the USH2A Gene (Sirius)",
      "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": "Ultevursen",
          "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": 7,
      "start_date": "2021-12-08",
      "completion_date": "2022-10-12",
      "has_results": true,
      "last_update_posted_date": "2024-07-12",
      "last_synced_at": "2026-06-10T04:16:37.466Z",
      "location_count": 10,
      "location_summary": "San Diego, California • San Francisco, California • Miami, Florida + 7 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05158296"
    },
    {
      "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": "2026-06-10T04:16:37.466Z",
      "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": "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": "2026-06-10T04:16:37.466Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01530659"
    },
    {
      "nct_id": "NCT01109576",
      "title": "Workshops for Veterans With Vision and Hearing Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Deafness",
        "Blindness"
      ],
      "interventions": [
        {
          "name": "DSL Workshop",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2011-11",
      "completion_date": "2013-08",
      "has_results": true,
      "last_update_posted_date": "2015-09-29",
      "last_synced_at": "2026-06-10T04:16:37.466Z",
      "location_count": 2,
      "location_summary": "Decatur, Georgia • Portland, Oregon",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01109576"
    },
    {
      "nct_id": "NCT02841553",
      "title": "Wolfram Syndrome and WFS1-related Disorders International Registry and Clinical Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Wolfram Syndrome",
        "Diabetes Mellitus",
        "Optic Nerve Atrophy",
        "Deafness",
        "Diabetes Insipidus",
        "Ataxia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "0 Years and older"
      },
      "enrollment_count": 5000,
      "start_date": "2011-07",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2025-12-23",
      "last_synced_at": "2026-06-10T04:16:37.466Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02841553"
    }
  ]
}