{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Voice+Hoarseness",
    "query": {
      "condition": "Voice Hoarseness"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 82,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Voice+Hoarseness&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-27T03:26:49.643Z",
  "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": "NCT04288804",
      "title": "A Study to Analyze Symptoms Prevalent in Early PD (Dysphonia, Tremor)",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Smartphone microphone sensor",
          "type": "DEVICE"
        },
        {
          "name": "Smartphone accelerometer sensor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Goalspal LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1000,
      "start_date": "2020-02-26",
      "completion_date": "2023-12-26",
      "has_results": false,
      "last_update_posted_date": "2022-08-03",
      "last_synced_at": "2026-06-27T03:26:49.643Z",
      "location_count": 1,
      "location_summary": "Pleasanton, California",
      "locations": [
        {
          "city": "Pleasanton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04288804"
    },
    {
      "nct_id": "NCT05467228",
      "title": "Laryngeal Vibro-tactile Stimulation as a Non-invasive Symptomatic Treatment for Spasmodic Dysphonia",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adductor Spasmodic Dysphonia",
        "Abductor Spastic Dysphonia",
        "Laryngeal Dystonia"
      ],
      "interventions": [
        {
          "name": "vibro-tactile stimulation (VTS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2026-08",
      "completion_date": "2026-08-01",
      "has_results": false,
      "last_update_posted_date": "2025-05-16",
      "last_synced_at": "2026-06-27T03:26:49.643Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05467228"
    },
    {
      "nct_id": "NCT05506085",
      "title": "Deep Brain Stimulation for Laryngeal Dystonia: From Mechanism to Optimal Application",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Laryngeal Dystonia",
        "Adductor Spastic Dysphonia of Dystonia"
      ],
      "interventions": [
        {
          "name": "Deep Brain Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 12,
      "start_date": "2022-10-01",
      "completion_date": "2030-08-01",
      "has_results": false,
      "last_update_posted_date": "2025-07-17",
      "last_synced_at": "2026-06-27T03:26:49.643Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05506085"
    },
    {
      "nct_id": "NCT03746509",
      "title": "Laryngeal Vibration for Spasmodic Dysphonia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spasmodic Dysphonia"
      ],
      "interventions": [
        {
          "name": "Laryngeal Vibration (Treatment)",
          "type": "DEVICE"
        },
        {
          "name": "Laryngeal Vibration (Comparator)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 42,
      "start_date": "2019-04-02",
      "completion_date": "2022-07-20",
      "has_results": true,
      "last_update_posted_date": "2025-05-04",
      "last_synced_at": "2026-06-27T03:26:49.643Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03746509"
    },
    {
      "nct_id": "NCT01327963",
      "title": "Retrospective TIF Study for Treatment of Gastroesophageal Reflux Disease (GERD). The RetroTIF Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gastroesophageal Reflux Disease (GERD)"
      ],
      "interventions": [
        {
          "name": "Transoral Incisionless Fundoplication",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "EndoGastric Solutions",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 110,
      "start_date": "2010-09",
      "completion_date": "2014-02",
      "has_results": true,
      "last_update_posted_date": "2020-12-03",
      "last_synced_at": "2026-06-27T03:26:49.643Z",
      "location_count": 2,
      "location_summary": "Ocala, Florida • Salem, Kentucky",
      "locations": [
        {
          "city": "Ocala",
          "state": "Florida"
        },
        {
          "city": "Salem",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01327963"
    },
    {
      "nct_id": "NCT00695227",
      "title": "Screening for Barrett's Esophagus in Otolaryngology Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Extraesophageal Symptoms",
        "Cough",
        "Throat Clearing",
        "Hoarseness",
        "Difficulty Swallowing"
      ],
      "interventions": [
        {
          "name": "Screening for Barrett's Esophagus",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 295,
      "start_date": "2004-05",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2018-03-06",
      "last_synced_at": "2026-06-27T03:26:49.643Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00695227"
    },
    {
      "nct_id": "NCT07145086",
      "title": "Translaryngeal Vibration for Hyperfunctional Voice Disorders",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Dysphonia",
        "Muscle Tension Dysphonia"
      ],
      "interventions": [
        {
          "name": "Voice therapy with vibration",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Texas Christian University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2024-09-01",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-08-28",
      "last_synced_at": "2026-06-27T03:26:49.643Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07145086"
    },
    {
      "nct_id": "NCT02724761",
      "title": "Prophylactic Racemic Epinephrine in Anterior Cervical Discectomy and Fusion",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dysphagia",
        "Dysphonia",
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Racemic Epinephrine",
          "type": "DRUG"
        },
        {
          "name": "Placebo (for racemic epinephrine)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Andrew Chung",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2016-09",
      "completion_date": "2018-09",
      "has_results": false,
      "last_update_posted_date": "2016-03-31",
      "last_synced_at": "2026-06-27T03:26:49.643Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02724761"
    },
    {
      "nct_id": "NCT00055549",
      "title": "Dextromethorphan to Treat Patients With Voice Spasms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Voice Disorders"
      ],
      "interventions": [
        {
          "name": "Dextromethorphan",
          "type": "DRUG"
        },
        {
          "name": "Lorazepam",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 65,
      "start_date": "2003-03-04",
      "completion_date": "2009-11-13",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-06-27T03:26:49.643Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00055549"
    },
    {
      "nct_id": "NCT04710862",
      "title": "The Effects of Respiratory Training on Voice",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscle Tension Dysphonia"
      ],
      "interventions": [
        {
          "name": "Breathing training without a device",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Breathing training with a device",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Syracuse University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2021-05-12",
      "completion_date": "2024-09-23",
      "has_results": true,
      "last_update_posted_date": "2025-07-24",
      "last_synced_at": "2026-06-27T03:26:49.643Z",
      "location_count": 1,
      "location_summary": "Syracuse, New York",
      "locations": [
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04710862"
    }
  ]
}