{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=hearing+aid&page=2",
    "query": {
      "intervention": "hearing aid",
      "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?intervention=hearing+aid&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T13:05:16.603Z",
  "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": "NCT00261768",
      "title": "Efficacy of Digital Noise Reduction Strategies: A Hearing Aid Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sensorineural Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Digital noise reduction",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 288,
      "start_date": "2004-06",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2010-03-23",
      "last_synced_at": "2026-09-22T13:05:16.603Z",
      "location_count": 2,
      "location_summary": "Bay Pines, Florida • Mountain Home, Tennessee",
      "locations": [
        {
          "city": "Bay Pines",
          "state": "Florida"
        },
        {
          "city": "Mountain Home",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00261768"
    },
    {
      "nct_id": "NCT06781749",
      "title": "New Approach to Objectively Measure Social Engagement in Older Adults With Hearing Loss",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hearing Loss, Bilateral (Causes Other Than Tumors)"
      ],
      "interventions": [
        {
          "name": "Hearing aid use",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2026-01-01",
      "completion_date": "2030-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-09-22T13:05:16.603Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06781749"
    },
    {
      "nct_id": "NCT03867396",
      "title": "Evaluation of Speech-in-noise Performance in Cochlear Implant Recipients With a CROS Device on the Contralateral Ear",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss, Sensorineural"
      ],
      "interventions": [
        {
          "name": "CROS",
          "type": "DEVICE"
        },
        {
          "name": "Hearing Aid",
          "type": "DEVICE"
        },
        {
          "name": "Cochlear Implant Alone",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 40,
      "start_date": "2019-01-23",
      "completion_date": "2021-02-11",
      "has_results": true,
      "last_update_posted_date": "2022-05-16",
      "last_synced_at": "2026-09-22T13:05:16.603Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03867396"
    },
    {
      "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": "2026-09-22T13:05:16.603Z",
      "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": "NCT03771287",
      "title": "Hearing Aid Noise Reduction in Pediatric Users (Oticon Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Impairment",
        "Hearing Loss, Sensorineural"
      ],
      "interventions": [
        {
          "name": "Oticon OpenSound Navigator speech enhancement algorithm",
          "type": "DEVICE"
        },
        {
          "name": "Oticon omni-directional microphone algorithm",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "13 Years",
        "sex": "ALL",
        "summary": "6 Years to 13 Years"
      },
      "enrollment_count": 40,
      "start_date": "2018-12-05",
      "completion_date": "2020-08-30",
      "has_results": false,
      "last_update_posted_date": "2020-12-22",
      "last_synced_at": "2026-09-22T13:05:16.603Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03771287"
    },
    {
      "nct_id": "NCT04839289",
      "title": "Hearing Aid Signal Processing Comparative Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss, Sensorineural"
      ],
      "interventions": [
        {
          "name": "Receiver-in-canal hearing instrument; Manufacturer A",
          "type": "DEVICE"
        },
        {
          "name": "Receiver-in-canal hearing instrument; Manufacturer B",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Sonova AG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 27,
      "start_date": "2021-07-01",
      "completion_date": "2021-08-31",
      "has_results": true,
      "last_update_posted_date": "2023-03-22",
      "last_synced_at": "2026-09-22T13:05:16.603Z",
      "location_count": 1,
      "location_summary": "Aurora, Illinois",
      "locations": [
        {
          "city": "Aurora",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04839289"
    },
    {
      "nct_id": "NCT05246904",
      "title": "Validating a Self-fitting Hearing Aid",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing and Vision Loss"
      ],
      "interventions": [
        {
          "name": "Fitting algorithm",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 41,
      "start_date": "2022-03-17",
      "completion_date": "2023-02-28",
      "has_results": false,
      "last_update_posted_date": "2023-04-25",
      "last_synced_at": "2026-09-22T13:05:16.603Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05246904"
    },
    {
      "nct_id": "NCT06112860",
      "title": "OTC Hearing Aid and MCI",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss",
        "Mild Cognitive Impairment",
        "Alzheimer Disease and Related Dementias (ADRD)"
      ],
      "interventions": [
        {
          "name": "Over the counter hearing aid",
          "type": "DEVICE"
        },
        {
          "name": "Communication Strategies Information/Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "60 Years to 90 Years"
      },
      "enrollment_count": 50,
      "start_date": "2024-07-23",
      "completion_date": "2027-03-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-09-22T13:05:16.603Z",
      "location_count": 3,
      "location_summary": "Evanston, Illinois • La Crosse, Wisconsin • Madison, Wisconsin",
      "locations": [
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "La Crosse",
          "state": "Wisconsin"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06112860"
    },
    {
      "nct_id": "NCT02702284",
      "title": "Advance Directives Completion Rates and an Intervention to Address Health Literacy in a Clinic Population",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Literacy"
      ],
      "interventions": [
        {
          "name": "Advance Directives",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Advance Directives without assistance",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "51 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "51 Years and older"
      },
      "enrollment_count": 529,
      "start_date": "2017-06-05",
      "completion_date": "2018-11-15",
      "has_results": false,
      "last_update_posted_date": "2018-11-19",
      "last_synced_at": "2026-09-22T13:05:16.603Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02702284"
    },
    {
      "nct_id": "NCT06499805",
      "title": "Barriers and Facilitators to OTC Hearing Aids Success",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss, Sensorineural",
        "Presbycusis"
      ],
      "interventions": [
        {
          "name": "Audiologist-based fitting",
          "type": "DEVICE"
        },
        {
          "name": "Over-the-counter fitting",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Yu-Hsiang Wu",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 360,
      "start_date": "2025-03-15",
      "completion_date": "2029-04-01",
      "has_results": false,
      "last_update_posted_date": "2025-05-21",
      "last_synced_at": "2026-09-22T13:05:16.603Z",
      "location_count": 2,
      "location_summary": "Iowa City, Iowa • Nashville, Tennessee",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06499805"
    }
  ]
}