{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Normal+Voice",
    "query": {
      "condition": "Normal Voice"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T16:03:45.505Z",
  "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": "NCT06975046",
      "title": "Aerodynamic Measurements in the Pediatric Population",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Normal Voice"
      ],
      "interventions": [
        {
          "name": "Complete airflow interruption",
          "type": "DEVICE"
        },
        {
          "name": "Incomplete airflow interruption",
          "type": "DEVICE"
        },
        {
          "name": "Airflow redirection",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "4 Years to 65 Years"
      },
      "enrollment_count": 365,
      "start_date": "2025-12-22",
      "completion_date": "2030-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-15",
      "last_synced_at": "2026-07-23T16:03:45.505Z",
      "location_count": 2,
      "location_summary": "Iowa City, Iowa • Madison, Wisconsin",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06975046"
    },
    {
      "nct_id": "NCT00881010",
      "title": "Automated Pain Intervention for Underserved Minority Breast Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Telephone Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2009-02",
      "completion_date": "2019-02-12",
      "has_results": false,
      "last_update_posted_date": "2019-04-16",
      "last_synced_at": "2026-07-23T16:03:45.505Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00881010"
    },
    {
      "nct_id": "NCT01199172",
      "title": "Prevention and Treatment of Voice Problems in Teachers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Voice Disorder"
      ],
      "interventions": [
        {
          "name": "voice hygiene",
          "type": "BEHAVIORAL"
        },
        {
          "name": "VH + VP",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "21 Years to 40 Years"
      },
      "enrollment_count": 140,
      "start_date": "2009-10",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-01-25",
      "last_synced_at": "2026-07-23T16:03:45.505Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01199172"
    },
    {
      "nct_id": "NCT04713033",
      "title": "Computational Cranial and Cervical Muscle Network in Normal and Disordered Voice",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dysphonia"
      ],
      "interventions": [
        {
          "name": "surface electromyogram (sEMG)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "flexible laryngoscopy",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "88 Years",
        "sex": "ALL",
        "summary": "18 Years to 88 Years"
      },
      "enrollment_count": 14,
      "start_date": "2021-09-09",
      "completion_date": "2022-05-25",
      "has_results": false,
      "last_update_posted_date": "2025-05-01",
      "last_synced_at": "2026-07-23T16:03:45.505Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04713033"
    },
    {
      "nct_id": "NCT01197339",
      "title": "Hybrid Model of Vocal Inflammation and Tissue Mobilization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Phonotrauma"
      ],
      "interventions": [
        {
          "name": "resonant voice",
          "type": "BEHAVIORAL"
        },
        {
          "name": "voice rest",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Breathy voice",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Relaxation exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Resonant voice and relaxation exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 45,
      "start_date": "2010-09",
      "completion_date": "2013-03",
      "has_results": false,
      "last_update_posted_date": "2016-01-25",
      "last_synced_at": "2026-07-23T16:03:45.505Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01197339"
    },
    {
      "nct_id": "NCT00001308",
      "title": "Central Mechanisms in Speech Motor Control Studied With H215O PET",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Communication Disorder",
        "Healthy",
        "Stuttering",
        "Tourette Syndrome",
        "Voice Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute on Deafness and Other Communication Disorders (NIDCD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 1163,
      "start_date": "1992-04-28",
      "completion_date": "2016-10-06",
      "has_results": false,
      "last_update_posted_date": "2019-12-17",
      "last_synced_at": "2026-07-23T16:03:45.505Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001308"
    }
  ]
}