{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ropinirole+Hydrochloride&page=2",
    "query": {
      "intervention": "Ropinirole Hydrochloride",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 40,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ropinirole+Hydrochloride&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ropinirole+Hydrochloride&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T13:15:29.558Z",
  "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": "NCT00363857",
      "title": "A Clinical Research Study Testing Ropinirole Treatment for Restless Legs Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Restless Legs Syndrome (RLS)",
        "Restless Legs Syndrome"
      ],
      "interventions": [
        {
          "name": "Ropinirole",
          "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": 360,
      "start_date": "2003-08",
      "completion_date": "2004-05",
      "has_results": false,
      "last_update_posted_date": "2016-10-17",
      "last_synced_at": "2026-10-06T13:15:29.558Z",
      "location_count": 49,
      "location_summary": "Alabaster, Alabama • Birmingham, Alabama • Jasper, Alabama + 44 more",
      "locations": [
        {
          "city": "Alabaster",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00363857"
    },
    {
      "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": "2026-10-06T13:15:29.558Z",
      "location_count": 2,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00285727"
    },
    {
      "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": "2026-10-06T13:15:29.558Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01976871"
    },
    {
      "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": "2026-10-06T13:15:29.558Z",
      "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": "NCT00225862",
      "title": "A Clinical Research Study Evaluating Ropinirole Treatment For Restless Legs Syndrome (RLS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Restless Legs Syndrome"
      ],
      "interventions": [
        {
          "name": "ropinirole",
          "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": 140,
      "start_date": "2005-01",
      "completion_date": "2005-12",
      "has_results": false,
      "last_update_posted_date": "2016-09-15",
      "last_synced_at": "2026-10-06T13:15:29.558Z",
      "location_count": 37,
      "location_summary": "Alabaster, Alabama • Jasper, Alabama • Peoria, Arizona + 33 more",
      "locations": [
        {
          "city": "Alabaster",
          "state": "Alabama"
        },
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Northridge",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00225862"
    },
    {
      "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": "2026-10-06T13:15:29.558Z",
      "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": "NCT00344994",
      "title": "SWITCH:Restless Legs Patients Switched to Ropinirole From Pramipexole",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Restless Legs Syndrome"
      ],
      "interventions": [
        {
          "name": "pramipexole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Augusta University",
      "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": 20,
      "start_date": "2006-05",
      "completion_date": "2010-04",
      "has_results": false,
      "last_update_posted_date": "2011-05-13",
      "last_synced_at": "2026-10-06T13:15:29.558Z",
      "location_count": 1,
      "location_summary": "Augusta, Georgia",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00344994"
    },
    {
      "nct_id": "NCT00314821",
      "title": "Ropinirole in the Treatment of Bipolar Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Bipolar Disorder"
      ],
      "interventions": [
        {
          "name": "ropinirole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cambridge Health Alliance",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 40,
      "start_date": "2005-09",
      "completion_date": "2008-03-17",
      "has_results": false,
      "last_update_posted_date": "2017-04-18",
      "last_synced_at": "2026-10-06T13:15:29.558Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia • Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00314821"
    },
    {
      "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": "2026-10-06T13:15:29.558Z",
      "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": "NCT00830219",
      "title": "The Relative Bioavailability Study of Two Ropinirole 0.25 mg Tablets Under Fed 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": 46,
      "start_date": "2004-11",
      "completion_date": "2004-11",
      "has_results": true,
      "last_update_posted_date": "2009-09-15",
      "last_synced_at": "2026-10-06T13:15:29.558Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00830219"
    }
  ]
}