{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diagnostic+tests+of+auditory+function&page=2",
    "query": {
      "intervention": "Diagnostic tests of auditory function",
      "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=Diagnostic+tests+of+auditory+function&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T11:59:18.838Z",
  "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": "NCT02122458",
      "title": "Blast Exposed Veterans With Auditory Complaints",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Impairment",
        "Hearing Aid Fitting"
      ],
      "interventions": [
        {
          "name": "mild-gain hearing aids with high-frequency emphasis over 6-months",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "20 Years to 50 Years"
      },
      "enrollment_count": 363,
      "start_date": "2015-08-01",
      "completion_date": "2020-12-31",
      "has_results": true,
      "last_update_posted_date": "2023-06-22",
      "last_synced_at": "2026-09-24T11:59:18.838Z",
      "location_count": 3,
      "location_summary": "Portland, Oregon • Pittsburgh, Pennsylvania • Sioux Falls, South Dakota",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Sioux Falls",
          "state": "South Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02122458"
    },
    {
      "nct_id": "NCT04707885",
      "title": "Clinical Utility of Residual Hearing in the Cochlear Implant Ear",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss, Sensorineural",
        "Hearing Loss",
        "Hearing Loss, Bilateral"
      ],
      "interventions": [
        {
          "name": "Electrocochleography",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 40,
      "start_date": "2021-11-10",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-12",
      "last_synced_at": "2026-09-24T11:59:18.838Z",
      "location_count": 5,
      "location_summary": "Rochester, Minnesota • St Louis, Missouri • Chapel Hill, North Carolina + 2 more",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04707885"
    },
    {
      "nct_id": "NCT02369926",
      "title": "Endpoint Calibration for a Phase 2 Study of Lisinopril in Multiple Sclerosis",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Sclerosis, Relapsing-Remitting"
      ],
      "interventions": [
        {
          "name": "Multiple Sclerosis Functional Composite",
          "type": "PROCEDURE"
        },
        {
          "name": "Mobile Multiple Sclerosis Functional Composite",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Transparency Life Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 20,
      "start_date": "2014-11",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2017-10-12",
      "last_synced_at": "2026-09-24T11:59:18.838Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02369926"
    },
    {
      "nct_id": "NCT03850197",
      "title": "Tubomanometry and EarPopper Devices for Eustachian Tube Function Testing",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Eustachian Tube Dysfunction"
      ],
      "interventions": [
        {
          "name": "EarPopper",
          "type": "DEVICE"
        },
        {
          "name": "Tympanometry",
          "type": "DEVICE"
        },
        {
          "name": "Tubomanometry",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cuneyt M. Alper",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "5 Years to 60 Years"
      },
      "enrollment_count": 30,
      "start_date": "2019-02-27",
      "completion_date": "2019-11-18",
      "has_results": false,
      "last_update_posted_date": "2020-11-13",
      "last_synced_at": "2026-09-24T11:59:18.838Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03850197"
    },
    {
      "nct_id": "NCT05582551",
      "title": "Patients At Risk for Sensory Screening (HPARSS) to Enhance Sensory Deficit Screening in Childhood Cancer Survivors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Childhood Cancer"
      ],
      "interventions": [
        {
          "name": "Highlighting Patients at Risk for Sensory Screening (HPARSS)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "7 Years to 17 Years"
      },
      "enrollment_count": 146,
      "start_date": "2023-08-02",
      "completion_date": "2027-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-09-24T11:59:18.838Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05582551"
    },
    {
      "nct_id": "NCT04322747",
      "title": "Hearing Changes After Surgery",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Distortion product otoacoustic emissions (DPOAE)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Gateway Biotechnology, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2021-09-01",
      "completion_date": "2022-02-28",
      "has_results": false,
      "last_update_posted_date": "2022-08-09",
      "last_synced_at": "2026-09-24T11:59:18.838Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04322747"
    },
    {
      "nct_id": "NCT02062840",
      "title": "The Brain on Whole Body Hyperthermia: A Neuroimaging Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Major Depression"
      ],
      "interventions": [
        {
          "name": "High intensity whole-body infrared heating",
          "type": "DEVICE"
        },
        {
          "name": "Low intensity whole-body infrared heating",
          "type": "DEVICE"
        },
        {
          "name": "Functional Magnetic Resonance Imaging (fMRI) and electrocardiogram (EKG)",
          "type": "DEVICE"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 23,
      "start_date": "2014-02",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2015-08-10",
      "last_synced_at": "2026-09-24T11:59:18.838Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02062840"
    },
    {
      "nct_id": "NCT07508722",
      "title": "Transcranial Ultrasonic Neuromodulation of Primary Visual Cortex and Primary Auditory Cortex in Humans",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers",
        "no Condition, Basic Science"
      ],
      "interventions": [
        {
          "name": "Transcranial Focused Ultrasound Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Electroencephalography",
          "type": "DEVICE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts Institute of Technology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 20,
      "start_date": "2026-10-01",
      "completion_date": "2027-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-09-24T11:59:18.838Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07508722"
    },
    {
      "nct_id": "NCT04166539",
      "title": "Neurotoxicity and Cardiotoxicity in Total Joint Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Metallosis",
        "Pain",
        "Total Hip Replacement",
        "Total Knee Replacement"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Interviews",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Blood draw",
          "type": "OTHER"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "RADIATION"
        },
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER",
        "RADIATION",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 115,
      "start_date": "2019-10-01",
      "completion_date": "2021-09-27",
      "has_results": false,
      "last_update_posted_date": "2021-12-08",
      "last_synced_at": "2026-09-24T11:59:18.838Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04166539"
    },
    {
      "nct_id": "NCT05886400",
      "title": "The Effects of Environmental Distractions on SCAT6 Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Concussion, Brain",
        "Mild Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "SCAT6",
          "type": "OTHER"
        },
        {
          "name": "Visual/ Auditory Distraction",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 48,
      "start_date": "2023-09-01",
      "completion_date": "2024-05-01",
      "has_results": false,
      "last_update_posted_date": "2024-06-24",
      "last_synced_at": "2026-09-24T11:59:18.838Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05886400"
    }
  ]
}