{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=sound+amplification+for+hearing",
    "query": {
      "intervention": "sound amplification for hearing"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-23T16:41:30.262Z",
  "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": "NCT02042404",
      "title": "The EarLens System Long Term Safety and Efficacy Definitive Multi-Center Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Impairment"
      ],
      "interventions": [
        {
          "name": "Sound amplification provided via EarLens System.",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "EarLens Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 48,
      "start_date": "2014-03",
      "completion_date": "2015-03",
      "has_results": true,
      "last_update_posted_date": "2016-02-02",
      "last_synced_at": "2026-09-23T16:41:30.262Z",
      "location_count": 3,
      "location_summary": "Menlo Park, California • San Jose, California • Iowa City, Iowa",
      "locations": [
        {
          "city": "Menlo Park",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02042404"
    },
    {
      "nct_id": "NCT05923203",
      "title": "Combined Electric and Acoustic Hearing (EAS) in Children and Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cochlear Implant",
        "Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Electric and acoustic stimulation (EAS) technology in the implanted ear(s)-this is the combination of a cochlear implant (CI) and hearing aid (HA) in the implanted ear(s)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Hearts for Hearing",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2022-12-05",
      "completion_date": "2028-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-20",
      "last_synced_at": "2026-09-23T16:41:30.262Z",
      "location_count": 4,
      "location_summary": "Edmond, Oklahoma • Nashville, Tennessee • Austin, Texas + 1 more",
      "locations": [
        {
          "city": "Edmond",
          "state": "Oklahoma"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05923203"
    },
    {
      "nct_id": "NCT05693610",
      "title": "Open-source Hearing Aid Platform Comparisons",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss",
        "Hearing Loss, Sensorineural"
      ],
      "interventions": [
        {
          "name": "Portable OSP",
          "type": "DEVICE"
        },
        {
          "name": "Cloud-based OSP",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2023-01-06",
      "completion_date": "2023-04-25",
      "has_results": true,
      "last_update_posted_date": "2025-01-10",
      "last_synced_at": "2026-09-23T16:41:30.262Z",
      "location_count": 1,
      "location_summary": "Evanston, Illinois",
      "locations": [
        {
          "city": "Evanston",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05693610"
    },
    {
      "nct_id": "NCT02702869",
      "title": "Allied Cleft & Craniofacial Quality-Improvement and Research Network (ACCQUIREnet)",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cleft Lip",
        "Cleft Palate",
        "Cleft Lip and Palate"
      ],
      "interventions": [
        {
          "name": "cleft lip repair",
          "type": "PROCEDURE"
        },
        {
          "name": "cleft palate repair",
          "type": "PROCEDURE"
        },
        {
          "name": "oronasal fistula repair",
          "type": "PROCEDURE"
        },
        {
          "name": "pharyngoplasty",
          "type": "PROCEDURE"
        },
        {
          "name": "gingivoperiosteoplasty",
          "type": "PROCEDURE"
        },
        {
          "name": "LeFort-1 maxillary repositioning",
          "type": "PROCEDURE"
        },
        {
          "name": "rhinoplasty",
          "type": "PROCEDURE"
        },
        {
          "name": "myringotomy and tympanostomy tube placement",
          "type": "PROCEDURE"
        },
        {
          "name": "speech therapy",
          "type": "OTHER"
        },
        {
          "name": "orthodontia",
          "type": "PROCEDURE"
        },
        {
          "name": "presurgical orthopedics",
          "type": "PROCEDURE"
        },
        {
          "name": "sound amplification for hearing",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "22 Years",
        "sex": "ALL",
        "summary": "1 Day to 22 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2016-10",
      "completion_date": "2031-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-09-23T16:41:30.262Z",
      "location_count": 10,
      "location_summary": "Gainesville, Florida • Hollywood, Florida • Orlando, Florida + 7 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Portland",
          "state": "Maine"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02702869"
    },
    {
      "nct_id": "NCT04661995",
      "title": "Notched Noise Therapy for Suppression of Tinnitus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tinnitus",
        "Notched Noise Therapy"
      ],
      "interventions": [
        {
          "name": "Hearing Aid and Notched Noise Therapy",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Hearing Aid and Broadband Noise",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Hearing Aid",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "DEVICE"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 108,
      "start_date": "2023-03-01",
      "completion_date": "2026-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-09-23T16:41:30.262Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04661995"
    },
    {
      "nct_id": "NCT02470494",
      "title": "The EarLens Contact Hearing Device (CHD) Spectrum Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss, Sensorineural"
      ],
      "interventions": [
        {
          "name": "Sound amplification provided via the EarLens CHD",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "EarLens Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 46,
      "start_date": "2015-06",
      "completion_date": "2016-11",
      "has_results": true,
      "last_update_posted_date": "2017-06-27",
      "last_synced_at": "2026-09-23T16:41:30.262Z",
      "location_count": 8,
      "location_summary": "La Jolla, California • Menlo Park, California • San Jose, California + 5 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Menlo Park",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Marrero",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02470494"
    },
    {
      "nct_id": "NCT04450368",
      "title": "Clinical Feasibility of a Non-invasive Wearable Acoustic Device for Measuring Air Trapping in COPD",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COPD",
        "COPD Exacerbation"
      ],
      "interventions": [
        {
          "name": "Sylvee",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Respira Labs, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2022-03-01",
      "completion_date": "2023-06-01",
      "has_results": false,
      "last_update_posted_date": "2023-06-18",
      "last_synced_at": "2026-09-23T16:41:30.262Z",
      "location_count": 1,
      "location_summary": "Mountain View, California",
      "locations": [
        {
          "city": "Mountain View",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04450368"
    },
    {
      "nct_id": "NCT02684175",
      "title": "Comparison of In-Person Versus Remote Cochlear Implant Candidacy Evaluations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss",
        "Hearing Disorders"
      ],
      "interventions": [
        {
          "name": "Remote CI Counseling",
          "type": "DEVICE"
        },
        {
          "name": "In-Person CI Counseling",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Matthew Bush, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2016-01",
      "completion_date": "2017-12-10",
      "has_results": false,
      "last_update_posted_date": "2020-02-13",
      "last_synced_at": "2026-09-23T16:41:30.262Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02684175"
    },
    {
      "nct_id": "NCT02269124",
      "title": "Use of Amplification in Children With Unilateral Hearing Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Unilateral Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Hearing aid",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts Eye and Ear Infirmary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "6 Years to 12 Years"
      },
      "enrollment_count": 37,
      "start_date": "2014-10-01",
      "completion_date": "2020-03-16",
      "has_results": true,
      "last_update_posted_date": "2021-08-11",
      "last_synced_at": "2026-09-23T16:41:30.262Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02269124"
    }
  ]
}