{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Writer%27s+Cramp",
    "query": {
      "condition": "Writer's Cramp"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 15,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Writer%27s+Cramp&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T16:04:47.039Z",
  "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": "NCT00021853",
      "title": "Motor Training to Treat Hand Dystonia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Focal Dystonia"
      ],
      "interventions": [
        {
          "name": "constraint-induced movement therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 15,
      "start_date": "2001-08",
      "completion_date": "2002-08",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-06-10T16:04:47.039Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00021853"
    },
    {
      "nct_id": "NCT01579266",
      "title": "Validating a New Writer s Cramp Scale",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dystonia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 16,
      "start_date": "2012-03-21",
      "completion_date": "2016-10-25",
      "has_results": false,
      "last_update_posted_date": "2019-10-22",
      "last_synced_at": "2026-06-10T16:04:47.039Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01579266"
    },
    {
      "nct_id": "NCT00325091",
      "title": "Long-Term Motor Learning in Focal Hand Dystonia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Focal Hand Dystonia"
      ],
      "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": 19,
      "start_date": "2006-05-09",
      "completion_date": "2014-01-06",
      "has_results": false,
      "last_update_posted_date": "2019-12-17",
      "last_synced_at": "2026-06-10T16:04:47.039Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00325091"
    },
    {
      "nct_id": "NCT02504905",
      "title": "Propensity to Develop Plasticity in the Parieto-Motor Networks in Dystonia From the Perspective of Abnormal High-Order Motor Processing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Writer's Cramp",
        "Healthy Volunteers",
        "Cervical Dystonia"
      ],
      "interventions": [
        {
          "name": "TMS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 58,
      "start_date": "2015-08-20",
      "completion_date": "2021-07-25",
      "has_results": false,
      "last_update_posted_date": "2025-03-05",
      "last_synced_at": "2026-06-10T16:04:47.039Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02504905"
    },
    {
      "nct_id": "NCT00015457",
      "title": "Amlodipine Plus Botulinum Toxin for Focal Dystonia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Focal Dystonia"
      ],
      "interventions": [
        {
          "name": "Amlodipine plus Botulinum toxin",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2001-04",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2013-04-01",
      "last_synced_at": "2026-06-10T16:04:47.039Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00015457"
    },
    {
      "nct_id": "NCT00054652",
      "title": "Survey of Sensory and Motor Tricks in Focal Dystonia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Focal Dystonia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 80,
      "start_date": "2003-02",
      "completion_date": "2005-02",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-06-10T16:04:47.039Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00054652"
    },
    {
      "nct_id": "NCT02015039",
      "title": "Pilot Trial of Botulinum Toxin and Occupational Therapy for Writer's Cramp",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Dystonia"
      ],
      "interventions": [
        {
          "name": "BoNT Injections",
          "type": "DRUG"
        },
        {
          "name": "Occupational Therapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 13,
      "start_date": "2013-12-03",
      "completion_date": "2016-09-13",
      "has_results": true,
      "last_update_posted_date": "2018-03-20",
      "last_synced_at": "2026-06-10T16:04:47.039Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02015039"
    },
    {
      "nct_id": "NCT00309010",
      "title": "Neurophysiology of Task-Specificity of Focal Hand Dystonia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Focal Dystonia"
      ],
      "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": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 115,
      "start_date": "2006-03-28",
      "completion_date": "2009-02-24",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-06-10T16:04:47.039Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00309010"
    },
    {
      "nct_id": "NCT00001784",
      "title": "Mexiletine for the Treatment of Focal Dystonia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Blepharospasm",
        "Dystonia",
        "Spasm"
      ],
      "interventions": [
        {
          "name": "Mexiletine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 24,
      "start_date": "1998-07",
      "completion_date": "2002-07",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-06-10T16:04:47.039Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001784"
    },
    {
      "nct_id": "NCT01884064",
      "title": "Repetitive Transcranial Magnetic Stimulation for the Treatment of Focal Hand Dystonia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Dystonia, Focal, Task-specific"
      ],
      "interventions": [
        {
          "name": "rTMS",
          "type": "DEVICE"
        },
        {
          "name": "Sham rTMS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 17,
      "start_date": "2008-07",
      "completion_date": "2010-07",
      "has_results": true,
      "last_update_posted_date": "2016-06-17",
      "last_synced_at": "2026-06-10T16:04:47.039Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01884064"
    }
  ]
}