{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Restless+Legs",
    "query": {
      "condition": "Restless Legs"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 109,
    "total_pages": 11,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Restless+Legs&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T14:54:00.880Z",
  "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": "NCT00621517",
      "title": "Bupropion and Restless Legs Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Restless Legs Syndrome"
      ],
      "interventions": [
        {
          "name": "Bupropion",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "East Tennessee State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2008-02",
      "completion_date": "2009-07",
      "has_results": true,
      "last_update_posted_date": "2019-03-06",
      "last_synced_at": "2026-07-22T14:54:00.880Z",
      "location_count": 1,
      "location_summary": "Johnson City, Tennessee",
      "locations": [
        {
          "city": "Johnson City",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00621517"
    },
    {
      "nct_id": "NCT01966757",
      "title": "Neuronal Ceroid Lipofuscinosis and Associated Sleep Abnormalities",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neuronal Ceroid Lipofuscinosis",
        "Batten's Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 57,
      "start_date": "2013-07",
      "completion_date": "2016-07",
      "has_results": false,
      "last_update_posted_date": "2016-07-26",
      "last_synced_at": "2026-07-22T14:54:00.880Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01966757"
    },
    {
      "nct_id": "NCT00584246",
      "title": "Pregabalin (Lyrica) for the Treatment of Restless Legs Syndrome",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Restless Legs Syndrome"
      ],
      "interventions": [
        {
          "name": "Pregabalin (Lyrica)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of South Florida",
      "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": 0,
      "start_date": "2007-11",
      "completion_date": "2008-05",
      "has_results": false,
      "last_update_posted_date": "2021-11-16",
      "last_synced_at": "2026-07-22T14:54:00.880Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00584246"
    },
    {
      "nct_id": "NCT01411124",
      "title": "Study to Assess the Effect of Gabapentin Enacarbil on Simulated Driving in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Restless Legs Syndrome (RLS)"
      ],
      "interventions": [
        {
          "name": "gabapentin enacarbil",
          "type": "DRUG"
        },
        {
          "name": "diphenhydramine",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "XenoPort, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 36,
      "start_date": "2011-06",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2013-07-16",
      "last_synced_at": "2026-07-22T14:54:00.880Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01411124"
    },
    {
      "nct_id": "NCT00422994",
      "title": "A Study To Investigate The Effects Of End Stage Renal Disease And Hemodialysis On The Pharmacokinetics Of Ropinirole",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Restless Legs Syndrome"
      ],
      "interventions": [
        {
          "name": "ropinirole dosing for up to 28 days",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 48,
      "start_date": "2006-04",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2016-10-26",
      "last_synced_at": "2026-07-22T14:54:00.880Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00422994"
    },
    {
      "nct_id": "NCT02633657",
      "title": "A PK and Safety Evaluation of HORIZANT (Gabapentin Enacarbil) in Adolescents With Moderate-to-Severe Primary RLS",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "RLS"
      ],
      "interventions": [
        {
          "name": "HORIZANT 300 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "XenoPort, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "13 Years to 17 Years"
      },
      "enrollment_count": 0,
      "start_date": "2016-01",
      "completion_date": "2017-07-19",
      "has_results": false,
      "last_update_posted_date": "2021-04-12",
      "last_synced_at": "2026-07-22T14:54:00.880Z",
      "location_count": 4,
      "location_summary": "Redwood City, California • St Louis, Missouri • Columbia, South Carolina + 1 more",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Columbia",
          "state": "South Carolina"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02633657"
    },
    {
      "nct_id": "NCT01109537",
      "title": "Altered Brain GABA and Glutamate in Restless Legs Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Restless Legs Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2010-04",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2015-01-07",
      "last_synced_at": "2026-07-22T14:54:00.880Z",
      "location_count": 1,
      "location_summary": "Brighton, Massachusetts",
      "locations": [
        {
          "city": "Brighton",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01109537"
    },
    {
      "nct_id": "NCT02826681",
      "title": "Randomized, Placebo-controlled Trial of Ferric Carboxymaltose in RLS Patients With Iron-deficiency Anemia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Restless Legs Syndrome (RLS)"
      ],
      "interventions": [
        {
          "name": "Injectafer® (Ferric Carboxymaltose - FCM)",
          "type": "DRUG"
        },
        {
          "name": "Placebo (Normal Saline)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "American Regent, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2017-07-10",
      "completion_date": "2022-07-01",
      "has_results": true,
      "last_update_posted_date": "2025-04-11",
      "last_synced_at": "2026-07-22T14:54:00.880Z",
      "location_count": 8,
      "location_summary": "Lemon Grove, California • Fort Myers, Florida • Orlando, Florida + 5 more",
      "locations": [
        {
          "city": "Lemon Grove",
          "state": "California"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "South Dartmouth",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02826681"
    },
    {
      "nct_id": "NCT01976871",
      "title": "Switching From Oral Dopamine Agonists to Rotigotine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Restless Legs Syndrome",
        "Ekbom Syndrome",
        "Willis-Ekbom Disease"
      ],
      "interventions": [
        {
          "name": "Rotigotine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "John Winkelman, MD, PhD",
      "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": 21,
      "start_date": "2014-08",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2016-11-29",
      "last_synced_at": "2026-07-22T14:54:00.880Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01976871"
    },
    {
      "nct_id": "NCT01773252",
      "title": "Right to Left Cardiac Shunt Detection",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Right to Left Shunt",
        "Patent Foramen Ovale",
        "Atrial Septal Defect"
      ],
      "interventions": [
        {
          "name": "Flow Detection System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cardiox Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 141,
      "start_date": "2012-11",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2015-11-13",
      "last_synced_at": "2026-07-22T14:54:00.880Z",
      "location_count": 8,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Aurora, Colorado + 5 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01773252"
    }
  ]
}