{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hard+of+Hearing",
    "query": {
      "condition": "Hard of Hearing"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 559,
    "total_pages": 56,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hard+of+Hearing&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-18T02:42:06.190Z",
  "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": "NCT02963974",
      "title": "Cochlear Implantation in Pediatric Cases of Unilateral Hearing Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss, Unilateral"
      ],
      "interventions": [
        {
          "name": "Cochlear implant",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "42 Months",
        "maximum_age": "78 Months",
        "sex": "ALL",
        "summary": "42 Months to 78 Months"
      },
      "enrollment_count": 20,
      "start_date": "2017-04-20",
      "completion_date": "2021-05-07",
      "has_results": true,
      "last_update_posted_date": "2021-08-06",
      "last_synced_at": "2026-09-18T02:42:06.190Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02963974"
    },
    {
      "nct_id": "NCT05244603",
      "title": "Application of Ideal Binary Masking to Disordered Speech",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss, Sensorineural",
        "Dysarthria"
      ],
      "interventions": [
        {
          "name": "Ideal binary mask",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Utah State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 435,
      "start_date": "2021-12-01",
      "completion_date": "2023-12-30",
      "has_results": true,
      "last_update_posted_date": "2025-03-26",
      "last_synced_at": "2026-09-18T02:42:06.190Z",
      "location_count": 1,
      "location_summary": "Logan, Utah",
      "locations": [
        {
          "city": "Logan",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05244603"
    },
    {
      "nct_id": "NCT01933386",
      "title": "Evaluation of Benefit for Treatment of Single Sided Deafness (SSD) Between Two Bone Conduction Prosthetic Devices; Osseointegrated Implant Versus Maxilla Anchored Removable Oral Appliance (\"SoundBite\")",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Single Sided Deafness"
      ],
      "interventions": [
        {
          "name": "SoundBite",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Sonitus Medical Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 15,
      "start_date": "2013-09",
      "completion_date": "2014-02",
      "has_results": false,
      "last_update_posted_date": "2013-10-29",
      "last_synced_at": "2026-09-18T02:42:06.190Z",
      "location_count": 3,
      "location_summary": "Phoenix, Arizona • Novi, Michigan • San Antonio, Texas",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Novi",
          "state": "Michigan"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01933386"
    },
    {
      "nct_id": "NCT02744066",
      "title": "A Pilot Study to Evaluate Patient Tolerance and Nursing Ease-of-Use of a Novel Hearing Protection Device",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Impairment"
      ],
      "interventions": [
        {
          "name": "NEATCAP",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Michael Balsan, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Hours",
        "maximum_age": "2 Weeks",
        "sex": "ALL",
        "summary": "12 Hours to 2 Weeks"
      },
      "enrollment_count": 55,
      "start_date": "2017-01-31",
      "completion_date": "2017-10-05",
      "has_results": true,
      "last_update_posted_date": "2018-11-29",
      "last_synced_at": "2026-09-18T02:42:06.190Z",
      "location_count": 1,
      "location_summary": "Erie, Pennsylvania",
      "locations": [
        {
          "city": "Erie",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02744066"
    },
    {
      "nct_id": "NCT06598059",
      "title": "Safety and Efficacy of a Drug Eluting Slim Modiolar Electrode Array",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Cochlear implant",
          "type": "DEVICE"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Cochlear",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2025-01-03",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-09-18T02:42:06.190Z",
      "location_count": 11,
      "location_summary": "Los Angeles, California • Englewood, Colorado • Iowa City, Iowa + 6 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06598059"
    },
    {
      "nct_id": "NCT05902351",
      "title": "Natural History Study for Charcot Marie Tooth Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Charcot-Marie-Tooth Disease",
        "Charcot-Marie-Tooth",
        "Charcot-Marie-Tooth Disease, Type IA",
        "Charcot-Marie-Tooth Disease Type 2A",
        "Charcot-Marie-Tooth Disease Type 2",
        "Charcot-Marie-Tooth Disease, Type 2C",
        "Charcot-Marie-Tooth Disease Type 2A2B",
        "Charcot-Marie-Tooth Disease Type 2B2",
        "Charcot-Marie-Tooth Disease Type 2A1",
        "Charcot-Marie-Tooth Disease Type 4B1",
        "Charcot-Marie-Tooth Disease, Type IB",
        "Charcot-Marie-Tooth Disease Type 2B1",
        "Charcot-Marie-Tooth Disease Type 2U (Diagnosis)",
        "Charcot-Marie-Tooth Disease Type 4A",
        "Charcot-Marie-Tooth Disease, Type 4A, Axonal Form",
        "Charcot-Marie-Tooth Disease Type 2A2A",
        "Charcot-Marie-Tooth Disease Type 2S (Disorder)",
        "Charcot-Marie-Tooth Disease and Deafness",
        "Charcot-Marie-Tooth Disease Type 4B2",
        "Charcot-Marie-Tooth Disease Type 4H",
        "Charcot-Marie-Tooth Disease Type 1F",
        "Charcot-Marie-Tooth Disease Type 4C",
        "Charcot-Marie-Tooth Disease Type 4E",
        "Charcot-Marie-Tooth Disease Type 1D",
        "Charcot-Marie-Tooth Disease Type 2Q (Diagnosis)",
        "Charcot-Marie-Tooth Disease Type 2A2",
        "Charcot-Marie-Tooth Disease Type 2N (Diagnosis)",
        "Charcot-Marie-Tooth Disease Type 2B5",
        "Charcot-Marie-Tooth Disease Type 2D",
        "Charcot-Marie-Tooth Disease Type 4D",
        "Charcot-Marie-Tooth Disease Type 2K",
        "Charcot-Marie-Tooth Disease Type 2L (Diagnosis)",
        "Charcot-Marie-Tooth Disease Type 2T",
        "Charcot-Marie-Tooth Disease Type 2I",
        "Charcot-Marie-Tooth Disease Type 2J",
        "Charcot-Marie-Tooth Disease Type 2E",
        "Charcot-Marie-Tooth Disease Type 2G",
        "Charcot-Marie-Tooth Disease Type 1C",
        "Charcot-Marie-Tooth Disease Type 2R",
        "Charcot-Marie-Tooth Disease Type 2O (Diagnosis)",
        "Charcot-Marie-Tooth Disease Type 2M",
        "Charcot-Marie-Tooth Disease Type 2P",
        "Charcot-Marie-Tooth Disease Type 2Y",
        "Charcot-Marie-Tooth Disease Type 4F (Diagnosis)",
        "Charcot-Marie-Tooth Disease Type 4B3",
        "Charcot-Marie-Tooth Disease Type 2H",
        "HNPP",
        "X-Linked Charcot-Marie-Tooth Disease",
        "Charcot Marie Tooth Disease (CMT)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Hereditary Neuropathy Foundation",
      "sponsor_class": "OTHER_GOV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 10000,
      "start_date": "2013-11-01",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-17",
      "last_synced_at": "2026-09-18T02:42:06.190Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05902351"
    },
    {
      "nct_id": "NCT02798783",
      "title": "Enlarged Vestibular Aqueduct Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Enlarged Vestibular Aqueduct",
        "Sensorineural Hearing Loss"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University Hospitals Cleveland Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "Up to 90 Years"
      },
      "enrollment_count": 165,
      "start_date": "2021-06-29",
      "completion_date": "2023-06-02",
      "has_results": false,
      "last_update_posted_date": "2023-12-06",
      "last_synced_at": "2026-09-18T02:42:06.190Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02798783"
    },
    {
      "nct_id": "NCT02004535",
      "title": "Clinical Study of Cochlear Implants in Adults With Asymmetrical Hearing Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Cochlear Implantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 59,
      "start_date": "2006-04",
      "completion_date": "2019-07",
      "has_results": false,
      "last_update_posted_date": "2026-03-11",
      "last_synced_at": "2026-09-18T02:42:06.190Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02004535"
    },
    {
      "nct_id": "NCT05382338",
      "title": "A Study of Treatment for Medulloblastoma Using Sodium Thiosulfate to Reduce Hearing Loss",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Childhood Medulloblastoma"
      ],
      "interventions": [
        {
          "name": "Audiometric Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Auditory Brainstem Response",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Lomustine",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Sodium Thiosulfate",
          "type": "DRUG"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Vincristine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "4 Years to 21 Years"
      },
      "enrollment_count": 225,
      "start_date": "2023-02-20",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-18T02:42:06.190Z",
      "location_count": 106,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 92 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05382338"
    },
    {
      "nct_id": "NCT00097448",
      "title": "Sudden Deafness Treatment Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sudden Deafness"
      ],
      "interventions": [
        {
          "name": "prednisone",
          "type": "DRUG"
        },
        {
          "name": "methylprednisolone sodium succinate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts Eye and Ear Infirmary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 255,
      "start_date": "2004-12",
      "completion_date": "2011-03",
      "has_results": true,
      "last_update_posted_date": "2017-04-04",
      "last_synced_at": "2026-09-18T02:42:06.190Z",
      "location_count": 14,
      "location_summary": "Los Angeles, California • San Diego, California • Gainesville, Florida + 10 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00097448"
    }
  ]
}