{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ropinirole+CR",
    "query": {
      "intervention": "Ropinirole CR"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-19T08:20:18.132Z",
  "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": "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": "2026-09-19T08:20:18.132Z",
      "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"
    },
    {
      "nct_id": "NCT00381472",
      "title": "Investigational Parkinson's Disease In Patients Not Well Controlled On L-dopa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Ropinirole",
          "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": 393,
      "start_date": "2003-06",
      "completion_date": "2004-12",
      "has_results": false,
      "last_update_posted_date": "2017-03-23",
      "last_synced_at": "2026-09-19T08:20:18.132Z",
      "location_count": 28,
      "location_summary": "Birmingham, Alabama • Northridge, California • San Francisco, California + 24 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Northridge",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00381472"
    },
    {
      "nct_id": "NCT00256854",
      "title": "Converting From Ropinirole Immediate Release (IR) To Ropinirole Controlled-Release for RLS (Restless Legs Syndrome)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Restless Legs Syndrome",
        "Restless Legs Syndrome (RLS)"
      ],
      "interventions": [
        {
          "name": "Ropinirole IR 1 mg",
          "type": "DRUG"
        },
        {
          "name": "Ropinirole IR 2 mg",
          "type": "DRUG"
        },
        {
          "name": "Ropinirole IR 1 mg Placebo",
          "type": "DRUG"
        },
        {
          "name": "Ropinirole IR 2 mg Placebo",
          "type": "DRUG"
        },
        {
          "name": "Ropinirole CR 2 mg",
          "type": "DRUG"
        },
        {
          "name": "Ropinirole CR 3 mg",
          "type": "DRUG"
        },
        {
          "name": "Ropinirole CR 2 mg Placebo",
          "type": "DRUG"
        },
        {
          "name": "Ropinirole CR 3 mg Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 135,
      "start_date": "2005-11-14",
      "completion_date": "2006-09-21",
      "has_results": true,
      "last_update_posted_date": "2019-03-15",
      "last_synced_at": "2026-09-19T08:20:18.132Z",
      "location_count": 30,
      "location_summary": "Laguna Hills, California • Oxnard, California • Pasadena, California + 27 more",
      "locations": [
        {
          "city": "Laguna Hills",
          "state": "California"
        },
        {
          "city": "Oxnard",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Reseda",
          "state": "California"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00256854"
    },
    {
      "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": "2026-09-19T08:20:18.132Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00275275"
    },
    {
      "nct_id": "NCT00632736",
      "title": "An Open-label Continuation Study Evaluating the Long-term Safety of Extended Release Ropinirole XL (Formerly CR) in Parkinson''s Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson Disease",
        "Parkinson's 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": 419,
      "start_date": "2004-02",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2017-03-23",
      "last_synced_at": "2026-09-19T08:20:18.132Z",
      "location_count": 25,
      "location_summary": "Birmingham, Alabama • Fountain Valley, California • San Francisco, California + 22 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00632736"
    },
    {
      "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": "2026-09-19T08:20:18.132Z",
      "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": "NCT00373542",
      "title": "12-week Polysomnography Study of Ropinirole Controlled Release for Restless Legs Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Restless Legs Syndrome (RLS)",
        "Restless Legs Syndrome"
      ],
      "interventions": [
        {
          "name": "ropinirole CR-RLS",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 39,
      "start_date": "2006-10",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2016-10-28",
      "last_synced_at": "2026-09-19T08:20:18.132Z",
      "location_count": 45,
      "location_summary": "Jasper, Alabama • Tuscaloosa, Alabama • Phoenix, Arizona + 41 more",
      "locations": [
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00373542"
    },
    {
      "nct_id": "NCT00334048",
      "title": "Treating Sexual Dysfunction From Selective Serotonin Reuptake Inhibitor (SSRI) Medication: a Study Comparing Requip CR to Placebo",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sexual Dysfunction"
      ],
      "interventions": [
        {
          "name": "Ropinirole (Requip)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "St. Luke's-Roosevelt Hospital Center",
      "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": 9,
      "start_date": "2006-06",
      "completion_date": "2007-09",
      "has_results": false,
      "last_update_posted_date": "2015-02-19",
      "last_synced_at": "2026-09-19T08:20:18.132Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00334048"
    },
    {
      "nct_id": "NCT00285727",
      "title": "Ropinirole Controlled Release (CR) as an Adjunctive Agent in the Treatment of Major Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depressive Disorder, Major"
      ],
      "interventions": [
        {
          "name": "Ropinirole CR",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford 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": 60,
      "start_date": "2006-01",
      "completion_date": "2007-10",
      "has_results": false,
      "last_update_posted_date": "2008-05-19",
      "last_synced_at": "2026-09-19T08:20:18.132Z",
      "location_count": 2,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00285727"
    }
  ]
}