{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Acoustic+distortion+of+speech",
    "query": {
      "intervention": "Acoustic distortion of speech"
    },
    "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": "2026-09-27T22:13:41.004Z",
  "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": "NCT01867515",
      "title": "Spectral Dynamics and Speech Understanding by Hearing Impaired People",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss, Sensorineural"
      ],
      "interventions": [
        {
          "name": "Acoustic distortion of speech",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 50,
      "start_date": "2013-08",
      "completion_date": "2016-09",
      "has_results": true,
      "last_update_posted_date": "2018-04-26",
      "last_synced_at": "2026-09-27T22:13:41.004Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01867515"
    },
    {
      "nct_id": "NCT05981391",
      "title": "Neurobiological Similarities of Tinnitus and PTSD",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Posttraumatic Stress Disorder",
        "Tinnitus"
      ],
      "interventions": [
        {
          "name": "resting-state functional MRI",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Clinician Administered PTSD Scale for the DSM-5 (CAPS-5)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Tympanometry",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Tinnitus Assessment",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Otoscopy",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Pure tone air and bone-conduction",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Speech testing",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Loudness Discomfort",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Quick Speech in Noise Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Distortion-Product Otoacoustic Emissions (DPOAE)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2021-02-04",
      "completion_date": "2024-11-01",
      "has_results": true,
      "last_update_posted_date": "2025-07-08",
      "last_synced_at": "2026-09-27T22:13:41.004Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05981391"
    },
    {
      "nct_id": "NCT03736213",
      "title": "Delineation of Sensorimotor Subtypes Underlying Residual Speech Errors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Speech Sound Disorder"
      ],
      "interventions": [
        {
          "name": "Visual-acoustic biofeedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ultrasound biofeedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "New York University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "9 Years to 15 Years"
      },
      "enrollment_count": 7,
      "start_date": "2019-03-01",
      "completion_date": "2022-02-01",
      "has_results": true,
      "last_update_posted_date": "2023-12-11",
      "last_synced_at": "2026-09-27T22:13:41.004Z",
      "location_count": 3,
      "location_summary": "Bloomfield, New Jersey • New York, New York • Syracuse, New York",
      "locations": [
        {
          "city": "Bloomfield",
          "state": "New Jersey"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03736213"
    }
  ]
}