{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Laryngeal+Dystonia&page=2",
    "query": {
      "condition": "Laryngeal Dystonia",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Laryngeal+Dystonia&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-11T00:49:10.440Z",
  "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": "NCT06111027",
      "title": "Usability of Vibro-tactile Stimulation to Treat Spasmodic Dysphonia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Spasmodic Dysphonia",
        "Laryngeal Dystonia"
      ],
      "interventions": [
        {
          "name": "Vibro-tactile stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 40,
      "start_date": "2023-09-20",
      "completion_date": "2024-10-31",
      "has_results": false,
      "last_update_posted_date": "2024-12-20",
      "last_synced_at": "2026-06-11T00:49:10.440Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06111027"
    },
    {
      "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": "2026-06-11T00:49:10.440Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05158179"
    },
    {
      "nct_id": "NCT05892770",
      "title": "Zinc Supplementation Prior to Botox Injections for Spasmodic Dysphonia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Spasmodic Dysphonia"
      ],
      "interventions": [
        {
          "name": "Zinc gluconate supplement",
          "type": "DRUG"
        },
        {
          "name": "Botulinum toxin type A",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 36,
      "start_date": "2023-08-01",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2025-02-25",
      "last_synced_at": "2026-06-11T00:49:10.440Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05892770"
    },
    {
      "nct_id": "NCT00001922",
      "title": "Sensory Function in Idiopathic Voice Disorders",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Phonation Disorder",
        "Spastic Dysphonia",
        "Voice Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "20 Years to 80 Years"
      },
      "enrollment_count": 370,
      "start_date": "1998-11-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-06-11T00:49:10.440Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001922"
    },
    {
      "nct_id": "NCT04648891",
      "title": "Spasmodic Dysphonia Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Spasmodic Dysphonia"
      ],
      "interventions": [
        {
          "name": "Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Vibrating wand",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2021-08-01",
      "completion_date": "2023-07-01",
      "has_results": true,
      "last_update_posted_date": "2024-05-23",
      "last_synced_at": "2026-06-11T00:49:10.440Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04648891"
    },
    {
      "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": "2026-06-11T00:49:10.440Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03746509"
    },
    {
      "nct_id": "NCT03292458",
      "title": "Sodium Oxybate in Spasmodic Dysphonia and Voice Tremor",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Spasmodic Dysphonia",
        "Voice Tremor"
      ],
      "interventions": [
        {
          "name": "Sodium Oxybate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kristina Simonyan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 117,
      "start_date": "2018-01-22",
      "completion_date": "2024-10-11",
      "has_results": true,
      "last_update_posted_date": "2025-12-30",
      "last_synced_at": "2026-06-11T00:49:10.440Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03292458"
    },
    {
      "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": "2026-06-11T00:49:10.440Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05467228"
    },
    {
      "nct_id": "NCT02061943",
      "title": "Examining the Spasmodic Dysphonia Diagnosis and Assessment Procedure (SD-DAP) for Measuring Symptom Change",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Spasmodic Dysphonia",
        "Laryngeal Dystonia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Emory University",
      "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": 0,
      "start_date": "2015-10",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-05-30",
      "last_synced_at": "2026-06-11T00:49:10.440Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia • St Louis, Missouri",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02061943"
    },
    {
      "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": "2026-06-11T00:49:10.440Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001308"
    }
  ]
}