{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Deafness%2C+Bilateral&page=2",
    "query": {
      "condition": "Deafness, Bilateral",
      "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=Deafness%2C+Bilateral&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T01:14:01.037Z",
  "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": "NCT05788536",
      "title": "A Study of DB-OTO, an Adeno-Associated Virus (AAV) Based Gene Therapy, in Children/Infants, Adolescents and Adults With Hearing Loss Due to Otoferlin Mutations",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Congenital Hearing Loss Secondary to Biallelic Mutations of the Otoferlin Gene (OTOF)"
      ],
      "interventions": [
        {
          "name": "DB-OTO",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 36,
      "start_date": "2023-06-27",
      "completion_date": "2032-02-25",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-07-23T01:14:01.037Z",
      "location_count": 9,
      "location_summary": "Los Angeles, California • San Diego, California • Jacksonville, Florida + 6 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05788536"
    },
    {
      "nct_id": "NCT00594061",
      "title": "Iowa/Nucleus 10/10 mm and Nucleus Freedom Feasibility Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss, Sensorineural",
        "Hearing Loss, Bilateral"
      ],
      "interventions": [
        {
          "name": "Iowa/Nucleus 10/10 mm and Freedom Cochlear Implantation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Bruce J Gantz",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "24 Months",
        "sex": "ALL",
        "summary": "12 Months to 24 Months"
      },
      "enrollment_count": 9,
      "start_date": "2007-12",
      "completion_date": "2016-09",
      "has_results": true,
      "last_update_posted_date": "2018-05-23",
      "last_synced_at": "2026-07-23T01:14:01.037Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00594061"
    },
    {
      "nct_id": "NCT03260062",
      "title": "Parent-Child Early Approaches to Raising Language Skills (PEARLS) Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Deafness, Bilateral"
      ],
      "interventions": [
        {
          "name": "Parent-Child Early Approaches to Raising Language Skills",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard Care Speech therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "48 Months",
        "sex": "ALL",
        "summary": "12 Months to 48 Months"
      },
      "enrollment_count": 15,
      "start_date": "2016-04-11",
      "completion_date": "2021-04",
      "has_results": false,
      "last_update_posted_date": "2021-05-07",
      "last_synced_at": "2026-07-23T01:14:01.037Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03260062"
    },
    {
      "nct_id": "NCT05299892",
      "title": "Optimizing Soft Speech Recognition in Children With Hearing Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss, Sensorineural",
        "Hearing Loss, Bilateral"
      ],
      "interventions": [
        {
          "name": "Phonak Audeo P or Naida P hearing aid",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Sonova AG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "4 Years to 12 Years"
      },
      "enrollment_count": 36,
      "start_date": "2022-03-21",
      "completion_date": "2022-10-14",
      "has_results": true,
      "last_update_posted_date": "2023-12-14",
      "last_synced_at": "2026-07-23T01:14:01.037Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05299892"
    },
    {
      "nct_id": "NCT02755935",
      "title": "CI532 - Early Experience Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sensorineural Hearing Loss, Bilateral"
      ],
      "interventions": [
        {
          "name": "Cochlear Nucleus CI532",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cochlear",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Months and older"
      },
      "enrollment_count": 24,
      "start_date": "2016-05",
      "completion_date": "2017-09",
      "has_results": true,
      "last_update_posted_date": "2018-03-20",
      "last_synced_at": "2026-07-23T01:14:01.037Z",
      "location_count": 6,
      "location_summary": "Skokie, Illinois • Iowa City, Iowa • Ann Arbor, Michigan + 3 more",
      "locations": [
        {
          "city": "Skokie",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Chesterfield",
          "state": "Missouri"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02755935"
    },
    {
      "nct_id": "NCT05855005",
      "title": "Direct-to-Consumer Hearing Aids and Listening Effort",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss",
        "Hearing Loss, Sensorineural",
        "Hearing Loss, Bilateral"
      ],
      "interventions": [
        {
          "name": "DTC Hearing Aids",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Northwestern 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": 30,
      "start_date": "2022-10-25",
      "completion_date": "2023-12-30",
      "has_results": true,
      "last_update_posted_date": "2024-05-29",
      "last_synced_at": "2026-07-23T01:14:01.037Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Evanston, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05855005"
    },
    {
      "nct_id": "NCT02310399",
      "title": "Auditory Brainstem Implant (ABI) in Children With No Cochleae or Auditory Nerves",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss, Bilateral (Causes Other Than Tumors)"
      ],
      "interventions": [
        {
          "name": "Nucleus ABI541 Auditory Brainstem Implant",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Months",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "18 Months to 21 Years"
      },
      "enrollment_count": 20,
      "start_date": "2014-05",
      "completion_date": "2030-05",
      "has_results": false,
      "last_update_posted_date": "2025-10-30",
      "last_synced_at": "2026-07-23T01:14:01.037Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02310399"
    },
    {
      "nct_id": "NCT05540535",
      "title": "Dual-Task Cost in Bilateral Hearing Loss",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bilateral Hearing Loss",
        "Healthy Aging"
      ],
      "interventions": [
        {
          "name": "Gait assessment",
          "type": "OTHER"
        },
        {
          "name": "Cognitive assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "New York University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2022-02-01",
      "completion_date": "2024-11-22",
      "has_results": true,
      "last_update_posted_date": "2025-01-13",
      "last_synced_at": "2026-07-23T01:14:01.037Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05540535"
    },
    {
      "nct_id": "NCT03382769",
      "title": "Hearing Loss in Older Adults Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss, Sensorineural",
        "Hearing Loss, Bilateral"
      ],
      "interventions": [
        {
          "name": "Cochlear implantation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cochlear",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "65 Years to 85 Years"
      },
      "enrollment_count": 1,
      "start_date": "2019-03-27",
      "completion_date": "2020-01-04",
      "has_results": true,
      "last_update_posted_date": "2022-12-22",
      "last_synced_at": "2026-07-23T01:14:01.037Z",
      "location_count": 8,
      "location_summary": "Tucson, Arizona • Los Angeles, California • St Louis, Missouri + 5 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03382769"
    },
    {
      "nct_id": "NCT04049643",
      "title": "Hearing Aid and Individuals With Cognitive Disorders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbycusis, Bilateral",
        "Alzheimer Disease 2 Due to Apoe4 Isoform",
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Audiologist-based fitting",
          "type": "DEVICE"
        },
        {
          "name": "Service-only Fitting",
          "type": "DEVICE"
        },
        {
          "name": "Device-only fitting",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Yu-Hsiang Wu",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "55 Years to 85 Years"
      },
      "enrollment_count": 17,
      "start_date": "2019-12-01",
      "completion_date": "2024-11-07",
      "has_results": true,
      "last_update_posted_date": "2025-04-17",
      "last_synced_at": "2026-07-23T01:14:01.037Z",
      "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/NCT04049643"
    }
  ]
}