{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Requip",
    "query": {
      "intervention": "Requip"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 40,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Requip&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T11:26:50.785Z",
  "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": "NCT00275275",
      "title": "Pramipexole Conversion to Ropinirole Controlled Release (CR)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Requip PR",
          "type": "DRUG"
        },
        {
          "name": "Mirapex",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rajesh Pahwa, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 61,
      "start_date": "2006-01",
      "completion_date": "2008-05",
      "has_results": true,
      "last_update_posted_date": "2012-08-24",
      "last_synced_at": "2026-09-04T11:26:50.785Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00275275"
    },
    {
      "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": "2026-09-04T11:26:50.785Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01976871"
    },
    {
      "nct_id": "NCT00051961",
      "title": "Effect of Ropinirole on Spinal Cord Reflexes and Restless Legs Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Restless Legs Syndrome"
      ],
      "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": 90,
      "start_date": "2003-01-14",
      "completion_date": "2007-10-18",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-09-04T11:26:50.785Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00051961"
    },
    {
      "nct_id": "NCT00242008",
      "title": "A Trial To Assess Switching From Ropinirole, Pramipexole Or Cabergoline To The Rotigotine Transdermal System In Idiopathic Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Rotigotine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "UCB Pharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2004-12",
      "completion_date": "2005-07",
      "has_results": false,
      "last_update_posted_date": "2014-09-25",
      "last_synced_at": "2026-09-04T11:26:50.785Z",
      "location_count": 1,
      "location_summary": "RTP, North Carolina",
      "locations": [
        {
          "city": "RTP",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00242008"
    },
    {
      "nct_id": "NCT00829504",
      "title": "Ropinirole 0.25 mg Tablets Under Fasting Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Ropinirole HCl 0.25 mg Tablets",
          "type": "DRUG"
        },
        {
          "name": "Requip® 0.25 mg Tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Pharmaceuticals USA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 44,
      "start_date": "2004-10",
      "completion_date": "2004-10",
      "has_results": true,
      "last_update_posted_date": "2009-09-11",
      "last_synced_at": "2026-09-04T11:26:50.785Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00829504"
    },
    {
      "nct_id": "NCT00363727",
      "title": "Onset Motor Complications Using REQUIP CR (Ropinirole Controlled-release) As Add-on Therapy To L-dopa In Parkinson's",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease",
        "Parkinson Disease",
        "Dyskinesias"
      ],
      "interventions": [
        {
          "name": "ropinirole controlled-release (REQUIP CR) for RLS",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "30 Years to 70 Years"
      },
      "enrollment_count": 209,
      "start_date": "2003-12",
      "completion_date": "2006-01",
      "has_results": false,
      "last_update_posted_date": "2017-01-18",
      "last_synced_at": "2026-09-04T11:26:50.785Z",
      "location_count": 69,
      "location_summary": "Anniston, Alabama • Birmingham, Alabama • Phoenix, Arizona + 61 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Sun City",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00363727"
    },
    {
      "nct_id": "NCT02994719",
      "title": "Gait Analysis in Neurological Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease",
        "Parkinsonian Disorders",
        "Atypical Parkinson Disease",
        "Progressive Supranuclear Palsy",
        "Multiple System Atrophy",
        "Corticobasal Degeneration",
        "Gait, Frontal",
        "Huntington Disease",
        "Ataxia, Spinocerebellar"
      ],
      "interventions": [
        {
          "name": "Anti-Parkinson medication",
          "type": "DRUG"
        },
        {
          "name": "Deep Brain Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 120,
      "start_date": "2016-03-01",
      "completion_date": "2027-07-07",
      "has_results": false,
      "last_update_posted_date": "2026-07-08",
      "last_synced_at": "2026-09-04T11:26:50.785Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02994719"
    },
    {
      "nct_id": "NCT03250117",
      "title": "Relative Bioavailability Study of Ropinirole Implants in Parkinson's Patients on L-Dopa Switched From Oral Ropinirole",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Ropinirole oral product",
          "type": "DRUG"
        },
        {
          "name": "Ropinirole Implant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Titan Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 6,
      "start_date": "2017-10-10",
      "completion_date": "2018-05-22",
      "has_results": true,
      "last_update_posted_date": "2023-05-06",
      "last_synced_at": "2026-09-04T11:26:50.785Z",
      "location_count": 3,
      "location_summary": "Orlando, Florida • Farmington Hills, Michigan • Kirkland, Washington",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Farmington Hills",
          "state": "Michigan"
        },
        {
          "city": "Kirkland",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03250117"
    },
    {
      "nct_id": "NCT01711866",
      "title": "A Phase 4, Open-label Study to Assess the Feasibility and Efficacy on Motor and Non-motor Symptoms of Switching From Pramipexole or Ropinirole to Rotigotine Transdermal Patch in Subjects With Advanced Idiopathic Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Advanced Idiopathic Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Rotigotine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "UCB BIOSCIENCES GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 87,
      "start_date": "2012-09",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2014-04-07",
      "last_synced_at": "2026-09-04T11:26:50.785Z",
      "location_count": 6,
      "location_summary": "Anniston, Alabama • Atlantis, Florida • Miami Springs, Florida + 3 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Atlantis",
          "state": "Florida"
        },
        {
          "city": "Miami Springs",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Dayton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01711866"
    },
    {
      "nct_id": "NCT00650104",
      "title": "Long-term Extension Study Evaluating Extended Release Ropinirole XL (Formerly Referred to as Ropinirole CR) in Patients Who Already Completed Either Study 167 or 164",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Ropinirole XL (formerly CR)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 76,
      "start_date": "2002-05",
      "completion_date": "2009-03",
      "has_results": true,
      "last_update_posted_date": "2013-05-06",
      "last_synced_at": "2026-09-04T11:26:50.785Z",
      "location_count": 10,
      "location_summary": "Scottsdale, Arizona • Los Angeles, California • Oxnard, California + 7 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oxnard",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00650104"
    }
  ]
}