{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Adductor+Spasmodic+Dysphonia",
    "query": {
      "condition": "Adductor Spasmodic Dysphonia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T07:49:39.195Z",
  "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": "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      "overall_status": "WITHDRAWN",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": "2026-05-22T07:49:39.195Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05467228"
    },
    {
      "nct_id": "NCT05158166",
      "title": "DaxibotulinumtoxinA Injection for Treatment of Adductor Spasmodic Dysphonia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Adductor Spasmodic Dysphonia",
        "Voice Disorders",
        "Spasmodic Dysphonia"
      ],
      "interventions": [
        {
          "name": "DaxibotulinumtoxinA",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2023-10-13",
      "completion_date": "2025-03-02",
      "has_results": true,
      "last_update_posted_date": "2026-05-18",
      "last_synced_at": "2026-05-22T07:49:39.195Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05158166"
    },
    {
      "nct_id": "NCT05158179",
      "title": "Assessment of Laryngopharyngeal Sensation in Adductor Spasmodic Dysphonia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spasmodic Dysphonia",
        "Adductor Spasmodic Dysphonia",
        "Voice Disorders"
      ],
      "interventions": [
        {
          "name": "Sensation testing",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 13,
      "start_date": "2021-08-27",
      "completion_date": "2022-04-29",
      "has_results": true,
      "last_update_posted_date": "2024-01-11",
      "last_synced_at": "2026-05-22T07:49:39.195Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05158179"
    },
    {
      "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": "2026-05-22T07:49:39.195Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05506085"
    },
    {
      "nct_id": "NCT03349086",
      "title": "Effects of Vocal Exercises for Spasmodic Dysphonia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adductor Spasmodic Dysphonia"
      ],
      "interventions": [
        {
          "name": "Voice Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 70 Years · Female only"
      },
      "enrollment_count": 15,
      "start_date": "2014-07-28",
      "completion_date": "2018-07-25",
      "has_results": false,
      "last_update_posted_date": "2019-05-23",
      "last_synced_at": "2026-05-22T07:49:39.195Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03349086"
    }
  ]
}