{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Laryngeal+Dystonia",
    "query": {
      "condition": "Laryngeal Dystonia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 37,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Laryngeal+Dystonia&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T14:37:26.502Z",
  "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": "NCT07041203",
      "title": "Extended-release Sodium Oxybate (Lumryz) in Spasmodic Dysphonia and Voice Tremor",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Spasmodic Dysphonia",
        "Laryngeal Dystonia",
        "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": 8,
      "start_date": "2026-10-01",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-28",
      "last_synced_at": "2026-06-10T14:37:26.502Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07041203"
    },
    {
      "nct_id": "NCT00713414",
      "title": "Role of Neurotransmission and Functional CNS Networks in Spasmodic Dysphonia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Spasmodic Dysphonia",
        "Focal Dystonia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 37,
      "start_date": "2008-07-09",
      "completion_date": "2016-09-21",
      "has_results": false,
      "last_update_posted_date": "2018-07-05",
      "last_synced_at": "2026-06-10T14:37:26.502Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00713414"
    },
    {
      "nct_id": "NCT04421365",
      "title": "Brain-Computer Interfaces in Laryngeal Dystonia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Laryngeal Dystonia"
      ],
      "interventions": [
        {
          "name": "neurofeedback brain-computer interface (BCI)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Kristina Simonyan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 40,
      "start_date": "2022-04-18",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-06-10T14:37:26.502Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04421365"
    },
    {
      "nct_id": "NCT05110417",
      "title": "Reversal of Botulinum Neurotoxin Injection Related Dysphonia With Pyridostigmine",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Dysphonia, Spastic",
        "Dysphonia",
        "Laryngeal Dystonia"
      ],
      "interventions": [
        {
          "name": "Pyridostigmine Bromide 60 Milligrams (mg)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eastern Virginia Medical School",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "21 Years to 100 Years"
      },
      "enrollment_count": 10,
      "start_date": "2021-05-20",
      "completion_date": "2023-06-01",
      "has_results": false,
      "last_update_posted_date": "2022-07-27",
      "last_synced_at": "2026-06-10T14:37:26.502Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05110417"
    },
    {
      "nct_id": "NCT05095740",
      "title": "Effects of Neuromodulation in Laryngeal Dystonia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Laryngeal Dystonia",
        "Focal Dystonia"
      ],
      "interventions": [
        {
          "name": "repetitive transcranial magnetic stimulation (rTMS)",
          "type": "DEVICE"
        },
        {
          "name": "sham rTMS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "MGH Institute of Health Professions",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "21 Years to 85 Years"
      },
      "enrollment_count": 25,
      "start_date": "2021-06-10",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-20",
      "last_synced_at": "2026-06-10T14:37:26.502Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05095740"
    },
    {
      "nct_id": "NCT05317390",
      "title": "Clinical Validation of DystoniaNet Deep Learning Platform for Diagnosis of Isolated Dystonia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dystonia",
        "Drug Induced Dystonia",
        "Parkinson Disease",
        "Essential Tremor",
        "Dyskinesias",
        "Myoclonus",
        "Tic Disorders",
        "Torticollis",
        "Ulnar Nerve Entrapment",
        "Temporomandibular Joint Disorders",
        "Dysphonia"
      ],
      "interventions": [
        {
          "name": "DystoniaNet-based diagnosis of isolated dystonia",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Massachusetts Eye and Ear Infirmary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1000,
      "start_date": "2022-06-01",
      "completion_date": "2028-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-06-10T14:37:26.502Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05317390"
    },
    {
      "nct_id": "NCT05150093",
      "title": "Deep Brain Stimulation in Laryngeal Dystonia and Voice Tremor",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Laryngeal Dystonia",
        "Spasmodic Dysphonia",
        "Tremor",
        "Dystonia"
      ],
      "interventions": [
        {
          "name": "Deep Brain Stimulation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Massachusetts Eye and Ear Infirmary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 120,
      "start_date": "2022-06-21",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-06-10T14:37:26.502Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05150093"
    },
    {
      "nct_id": "NCT00118586",
      "title": "Neuropathology of Spasmodic Dysphonia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Voice Disorders",
        "Spasmodic Dysphonia",
        "Healthy",
        "Movement Disorder",
        "Focal Dystonia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 97,
      "start_date": "2005-07-14",
      "completion_date": "2022-08-03",
      "has_results": false,
      "last_update_posted_date": "2022-08-08",
      "last_synced_at": "2026-06-10T14:37:26.502Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00118586"
    },
    {
      "nct_id": "NCT05150106",
      "title": "Characterization of Clinical Phenotypes of Laryngeal Dystonia and Voice Tremor",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Laryngeal Dystonia",
        "Spasmodic Dysphonia",
        "Tremor"
      ],
      "interventions": [
        {
          "name": "Clinical assessments of laryngeal function",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts Eye and Ear Infirmary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 165,
      "start_date": "2022-11-07",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-06-10T14:37:26.502Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05150106"
    },
    {
      "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": "2026-06-10T14:37:26.502Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03349086"
    }
  ]
}