{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Dystonia",
    "query": {
      "condition": "Primary Dystonia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 20,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Dystonia&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-07T16:41:08.772Z",
  "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": "NCT00031369",
      "title": "Brain Anatomy in Dystonia",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dystonia",
        "Healthy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 189,
      "start_date": "2002-02-27",
      "completion_date": "2015-03-10",
      "has_results": false,
      "last_update_posted_date": "2017-10-06",
      "last_synced_at": "2026-06-07T16:41:08.772Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00031369"
    },
    {
      "nct_id": "NCT01373840",
      "title": "Role of Dopamine Receptors in Primary Focal Dystonias",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy",
        "Focal Dystonias"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2011-09",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2018-05-15",
      "last_synced_at": "2026-06-07T16:41:08.772Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01373840"
    },
    {
      "nct_id": "NCT04071847",
      "title": "Abbott DBS Post-Market Study of Outcomes for Indications Over Time",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Movement Disorders",
        "Parkinson Disease",
        "Essential Tremor",
        "Tremor",
        "Dystonia",
        "Primary Dystonia",
        "Secondary Dystonia"
      ],
      "interventions": [
        {
          "name": "Deep Brain Stimulation (DBS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1000,
      "start_date": "2019-11-26",
      "completion_date": "2030-09",
      "has_results": false,
      "last_update_posted_date": "2026-01-08",
      "last_synced_at": "2026-06-07T16:41:08.772Z",
      "location_count": 23,
      "location_summary": "Tucson, Arizona • Los Angeles, California • Sacramento, California + 19 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Littleton",
          "state": "Colorado"
        },
        {
          "city": "Littleton",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04071847"
    },
    {
      "nct_id": "NCT02837185",
      "title": "Effects of Botulinum Toxin on Muscle and Brain Activity",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cervical Dystonia, Primary"
      ],
      "interventions": [
        {
          "name": "Botulinum Toxin injection",
          "type": "PROCEDURE"
        },
        {
          "name": "Physiological measures",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "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": 18,
      "start_date": "2016-08",
      "completion_date": "2018-09-26",
      "has_results": false,
      "last_update_posted_date": "2018-09-28",
      "last_synced_at": "2026-06-07T16:41:08.772Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02837185"
    },
    {
      "nct_id": "NCT02046447",
      "title": "Neuroimaging of Dystonia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Primary Cervical Dystonia",
        "DYT 1 Dystonia"
      ],
      "interventions": [
        {
          "name": "Primary Cervical Dystonia (Trihexyphenidyl)",
          "type": "DRUG"
        },
        {
          "name": "Controls Primary Cervical Dystonia (Trihexyphenidyl)",
          "type": "OTHER"
        },
        {
          "name": "DYT 1 Dystonia (Healthy Control)",
          "type": "OTHER"
        },
        {
          "name": "DYT 1 Dystonia",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "7 Years to 70 Years"
      },
      "enrollment_count": 20,
      "start_date": "2014-05",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2017-12-22",
      "last_synced_at": "2026-06-07T16:41:08.772Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02046447"
    },
    {
      "nct_id": "NCT01433757",
      "title": "Ampicillin for DYT-1 Dystonia Motor Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "DYT-1",
        "Dystonia"
      ],
      "interventions": [
        {
          "name": "Ampicillin",
          "type": "DRUG"
        },
        {
          "name": "Sugar pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "7 Years to 80 Years"
      },
      "enrollment_count": 2,
      "start_date": "2011-09",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2017-07-05",
      "last_synced_at": "2026-06-07T16:41:08.772Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01433757"
    },
    {
      "nct_id": "NCT04173260",
      "title": "An Open-label Study to Define the Safety, Tolerability and Clinical Activity of Deutetrabenazine (AUstedo) in Adult Study Subjects With DYsTonia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Dystonia, Primary"
      ],
      "interventions": [
        {
          "name": "Deutetrabenazine 6 MG",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2021-04-29",
      "completion_date": "2024-08-31",
      "has_results": true,
      "last_update_posted_date": "2024-09-20",
      "last_synced_at": "2026-06-07T16:41:08.772Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04173260"
    },
    {
      "nct_id": "NCT06792500",
      "title": "A Basket Clinical Study to Assess Glycerol Tributyrate in Patients With Mitochondrial Encephalopathy, Lactic Acidosis, Stroke-like Episodes (MELAS) or Leber's Hereditary Optic Neuropathy-Plus (LHON-Plus)",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "MELAS Syndrome",
        "Lebers Hereditory Optic Neuropathy With Extra Ocular Symptoms (LHON-Plus)"
      ],
      "interventions": [
        {
          "name": "Glycerol Tributyrate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "George Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 24,
      "start_date": "2026-10",
      "completion_date": "2028-03",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-06-07T16:41:08.772Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06792500"
    },
    {
      "nct_id": "NCT04231487",
      "title": "Using Wearable and Mobile Data to Diagnose and Monitor Movement Disorders",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Essential Tremor",
        "Parkinson Disease",
        "Huntington Disease",
        "Dystonia, Primary",
        "Spinocerebellar Ataxias",
        "Movement Disorders"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 210,
      "start_date": "2019-06-27",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-09-21",
      "last_synced_at": "2026-06-07T16:41:08.772Z",
      "location_count": 1,
      "location_summary": "Newark, New Jersey",
      "locations": [
        {
          "city": "Newark",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04231487"
    },
    {
      "nct_id": "NCT01671527",
      "title": "Insights Into Deep Brain Stimulation (DBS) for Cervical Dystonia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cervical Dystonia"
      ],
      "interventions": [
        {
          "name": "Transcranial magnetic stimulation (TMS)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Florida",
      "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": 29,
      "start_date": "2012-08",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2016-06-13",
      "last_synced_at": "2026-06-07T16:41:08.772Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01671527"
    }
  ]
}