{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Tone+Deafness",
    "query": {
      "condition": "Tone Deafness"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 3,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T06:31:47.728Z",
  "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": "NCT01184248",
      "title": "The Effect of Sound Stimulation on Pure-tone Hearing Threshold",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sensorineural Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Sound stimulation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Earlogic Korea, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 30,
      "start_date": "2010-05",
      "completion_date": "2011-01",
      "has_results": false,
      "last_update_posted_date": "2011-09-08",
      "last_synced_at": "2026-07-22T06:31:47.728Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01184248"
    },
    {
      "nct_id": "NCT00006076",
      "title": "Genetic Studies of Tone Deafness",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy",
        "Tone Deafness"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute on Deafness and Other Communication Disorders (NIDCD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 968,
      "start_date": "2000-07-26",
      "completion_date": "2010-06-29",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-07-22T06:31:47.728Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006076"
    },
    {
      "nct_id": "NCT06058767",
      "title": "Preschool Hearing Screening",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss",
        "Hearing Disorders in Children",
        "Hearing Loss, Sensorineural",
        "Hearing Loss, Conductive",
        "Hearing Loss, Unilateral",
        "Hearing Loss, Noise-Induced",
        "Hearing Loss, Mixed",
        "Hearing Loss, Bilateral"
      ],
      "interventions": [
        {
          "name": "Otoacoustic Emissions Testing",
          "type": "OTHER"
        },
        {
          "name": "Pure Tone Audiometry",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "2 Years to 6 Years"
      },
      "enrollment_count": 13764,
      "start_date": "2023-10-01",
      "completion_date": "2028-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-02",
      "last_synced_at": "2026-07-22T06:31:47.728Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06058767"
    }
  ]
}