{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hearing+Disorders+and+Deafness&page=21",
    "query": {
      "condition": "Hearing Disorders and Deafness",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 529,
    "total_pages": 53,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hearing+Disorders+and+Deafness&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hearing+Disorders+and+Deafness&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T10:52:52.175Z",
  "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": "NCT03225157",
      "title": "Hearing Loss and the Effects of Statin Drugs in People With Head and Neck Squamous Cell Carcinoma Treated With Cisplatin Chemoradiation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head and Neck Neoplasms",
        "Hearing Disorder",
        "Hyperlipidemia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute on Deafness and Other Communication Disorders (NIDCD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2017-11-03",
      "completion_date": "2020-02-28",
      "has_results": false,
      "last_update_posted_date": "2024-05-24",
      "last_synced_at": "2026-10-24T10:52:52.175Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03225157"
    },
    {
      "nct_id": "NCT05150964",
      "title": "Measuring Comfort and Clarity With Low Gain Feature in Pediatric Hearing Aid Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Phonak Audeo hearing aid",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Sonova AG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "8 Years to 17 Years"
      },
      "enrollment_count": 16,
      "start_date": "2021-06-01",
      "completion_date": "2022-05-29",
      "has_results": true,
      "last_update_posted_date": "2023-05-19",
      "last_synced_at": "2026-10-24T10:52:52.175Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05150964"
    },
    {
      "nct_id": "NCT02928107",
      "title": "Addressing Barriers to Adult Hearing Healthcare",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss",
        "Geriatric Disorder"
      ],
      "interventions": [
        {
          "name": "Tele-HS",
          "type": "OTHER"
        },
        {
          "name": "PCP encouragement",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "65 Years to 75 Years"
      },
      "enrollment_count": 1146,
      "start_date": "2016-10-31",
      "completion_date": "2021-08-27",
      "has_results": false,
      "last_update_posted_date": "2021-11-09",
      "last_synced_at": "2026-10-24T10:52:52.175Z",
      "location_count": 6,
      "location_summary": "Ann Arbor, Michigan • New Hyde Park, New York • New York, New York + 3 more",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "New Hyde Park",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Bend",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02928107"
    },
    {
      "nct_id": "NCT00001782",
      "title": "Areas of Brain Responsible for Understanding American Sign Language",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain Mapping",
        "Deafness",
        "Healthy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 30,
      "start_date": "1998-03",
      "completion_date": "2000-12",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-24T10:52:52.175Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001782"
    },
    {
      "nct_id": "NCT05554692",
      "title": "Peripheral and Central Influences on Auditory Temporal Processing & Speech Perception in Older Cochlear Implantees",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss",
        "Cochlear Hearing Loss",
        "Hearing Loss, Sensorineural",
        "Aging"
      ],
      "interventions": [
        {
          "name": "Diagnostic tests of cochlear implant function",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Diagnostic tests of auditory function",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Maryland, College Park",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 300,
      "start_date": "2022-08-03",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2025-03-25",
      "last_synced_at": "2026-10-24T10:52:52.175Z",
      "location_count": 1,
      "location_summary": "College Park, Maryland",
      "locations": [
        {
          "city": "College Park",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05554692"
    },
    {
      "nct_id": "NCT04534387",
      "title": "Development and Assessment of a Spanish-Language Hearing Loss Toolkit for Self-Management",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Spanish-Language Hearing Loss Toolkit for Self-Management",
          "type": "OTHER"
        },
        {
          "name": "American Speech-Language-Hearing Association (ASHA) Audiology Series Spanish Language Handouts",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2021-04-22",
      "completion_date": "2024-03-30",
      "has_results": false,
      "last_update_posted_date": "2023-05-09",
      "last_synced_at": "2026-10-24T10:52:52.175Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04534387"
    },
    {
      "nct_id": "NCT04027881",
      "title": "Improving Print Knowledge for Children With Hearing Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Sit Together and REad",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2020-01-10",
      "completion_date": "2021-09-25",
      "has_results": false,
      "last_update_posted_date": "2025-12-12",
      "last_synced_at": "2026-10-24T10:52:52.175Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04027881"
    },
    {
      "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": "2026-10-24T10:52:52.175Z",
      "location_count": 1,
      "location_summary": "Storrs, Connecticut",
      "locations": [
        {
          "city": "Storrs",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04988451"
    },
    {
      "nct_id": "NCT05372094",
      "title": "Noise Reduction Preferences in Teenagers and Pre-teens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Phonak Hearing Aid",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Sonova AG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "10 Years to 17 Years"
      },
      "enrollment_count": 18,
      "start_date": "2023-02-23",
      "completion_date": "2023-09-30",
      "has_results": true,
      "last_update_posted_date": "2024-01-09",
      "last_synced_at": "2026-10-24T10:52:52.175Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05372094"
    },
    {
      "nct_id": "NCT00977314",
      "title": "Bone Conduction Auditory Performance Via the Tooth for Single-Sided Deafness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Unilateral Hearing Loss"
      ],
      "interventions": [
        {
          "name": "The Sonitus Bone Conduction Hearing System",
          "type": "DEVICE"
        },
        {
          "name": "SoundBite",
          "type": "DEVICE"
        },
        {
          "name": "SoundBite Hearing System",
          "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": 35,
      "start_date": "2009-09",
      "completion_date": "2010-02",
      "has_results": true,
      "last_update_posted_date": "2014-10-17",
      "last_synced_at": "2026-10-24T10:52:52.175Z",
      "location_count": 2,
      "location_summary": "Redwood City, California • San Jose, California",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00977314"
    }
  ]
}