{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Vesicare+%28solifenacin%29",
    "query": {
      "intervention": "Vesicare (solifenacin)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 45,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Vesicare+%28solifenacin%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T21:21:32.125Z",
  "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": "NCT00507455",
      "title": "Solifenacin Succinate With Tamsulosin HCl in Males With Lower Urinary Tract Symptoms and Bladder Outlet Obstruction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lower Urinary Tract Symptoms",
        "Bladder Outlet Obstruction"
      ],
      "interventions": [
        {
          "name": "solifenacin succinate",
          "type": "DRUG"
        },
        {
          "name": "tamsulosin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Placebo to solifenacin",
          "type": "DRUG"
        },
        {
          "name": "Placebo to tamsulosin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "45 Years and older · Male only"
      },
      "enrollment_count": 222,
      "start_date": "2007-06",
      "completion_date": "2008-08",
      "has_results": true,
      "last_update_posted_date": "2014-08-06",
      "last_synced_at": "2026-09-30T21:21:32.125Z",
      "location_count": 17,
      "location_summary": "Homewood, Alabama • La Mesa, California • Long Beach, California + 14 more",
      "locations": [
        {
          "city": "Homewood",
          "state": "Alabama"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "San Bernardino",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00507455"
    },
    {
      "nct_id": "NCT01371994",
      "title": "A Study to Assess Efficacy and Safety With Solifenacin Succinate to Improve Urinary Continence After Robotic Assisted Radical Prostatectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Urinary Incontinence"
      ],
      "interventions": [
        {
          "name": "solifenacin succinate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 640,
      "start_date": "2011-08-02",
      "completion_date": "2013-10-21",
      "has_results": true,
      "last_update_posted_date": "2024-11-21",
      "last_synced_at": "2026-09-30T21:21:32.125Z",
      "location_count": 58,
      "location_summary": "Homewood, Alabama • Anchorage, Alaska • Tucson, Arizona + 53 more",
      "locations": [
        {
          "city": "Homewood",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01371994"
    },
    {
      "nct_id": "NCT01530373",
      "title": "Solifenacin Compared to Clonidine for Reducing Hot Flashes Among Breast Cancer Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hot Flashes",
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "solifenacin",
          "type": "DRUG"
        },
        {
          "name": "Clonidine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 110,
      "start_date": "2012-02",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2026-03-05",
      "last_synced_at": "2026-09-30T21:21:32.125Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01530373"
    },
    {
      "nct_id": "NCT00333112",
      "title": "A Study to Evaluate Solifenacin Succinate in Combination With Tamsulosin for the Treatment of Residual Overactive Bladder Symptoms (OAB) in Men.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Urinary Incontinence"
      ],
      "interventions": [
        {
          "name": "solifenacin succinate",
          "type": "DRUG"
        },
        {
          "name": "tamsulosin",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "45 Years and older · Male only"
      },
      "enrollment_count": 398,
      "start_date": "2006-05",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2014-09-18",
      "last_synced_at": "2026-09-30T21:21:32.125Z",
      "location_count": 74,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tuscon, Arizona + 67 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tuscon",
          "state": "Arizona"
        },
        {
          "city": "Atherton",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00333112"
    },
    {
      "nct_id": "NCT00454896",
      "title": "A Multicenter VESIcare® Efficacy and Safety Study for the Treatment of Urgency Associated With Overactive Bladder (OAB)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Urinary Bladder, Overactive"
      ],
      "interventions": [
        {
          "name": "VESIcare®",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 739,
      "start_date": "2004-05",
      "completion_date": "2005-09",
      "has_results": false,
      "last_update_posted_date": "2014-09-18",
      "last_synced_at": "2026-09-30T21:21:32.125Z",
      "location_count": 65,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Atherton, California + 60 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Atherton",
          "state": "California"
        },
        {
          "city": "Carmichael",
          "state": "California"
        },
        {
          "city": "Escondido",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00454896"
    },
    {
      "nct_id": "NCT00584090",
      "title": "Solifenacin Succinate (VESIcare) for the Treatment of Urinary Incontinence in Parkinson's Disease",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Urinary Incontinence",
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Solifenacin Succinate (VESIcare)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 0,
      "start_date": "2007-11",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2012-12-03",
      "last_synced_at": "2026-09-30T21:21:32.125Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00584090"
    },
    {
      "nct_id": "NCT01457573",
      "title": "Pilot Trial Of Urinary Nerve Growth Factor (NGF) As Biomarker for Male Lower Urinary Tract Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Lower Urinary Tract Symptoms"
      ],
      "interventions": [
        {
          "name": "Tamsulosin",
          "type": "DRUG"
        },
        {
          "name": "Solifenacin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Timothy Boone, MD, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "45 Years and older · Male only"
      },
      "enrollment_count": 10,
      "start_date": "2011-10",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2018-04-02",
      "last_synced_at": "2026-09-30T21:21:32.125Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01457573"
    },
    {
      "nct_id": "NCT01642277",
      "title": "Bacterial Genomic Sequencing in Overactive Bladder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Overactive Bladder"
      ],
      "interventions": [
        {
          "name": "Solifenacin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Loyola University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 89 Years · Female only"
      },
      "enrollment_count": 134,
      "start_date": "2012-07",
      "completion_date": "2014-08",
      "has_results": true,
      "last_update_posted_date": "2015-12-07",
      "last_synced_at": "2026-09-30T21:21:32.125Z",
      "location_count": 1,
      "location_summary": "Maywood, Illinois",
      "locations": [
        {
          "city": "Maywood",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01642277"
    },
    {
      "nct_id": "NCT01767519",
      "title": "A Study Evaluating the Efficacy and Safety of BOTOX® or Solifenacin in Patients With Overactive Bladder and Urinary Incontinence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Overactive Bladder",
        "Urinary Incontinence"
      ],
      "interventions": [
        {
          "name": "BOTOX®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "solifenacin",
          "type": "DRUG"
        },
        {
          "name": "Botox placebo (normal saline)",
          "type": "DRUG"
        },
        {
          "name": "solifenacin placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Allergan",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 356,
      "start_date": "2013-03-01",
      "completion_date": "2015-03-18",
      "has_results": true,
      "last_update_posted_date": "2019-04-23",
      "last_synced_at": "2026-09-30T21:21:32.125Z",
      "location_count": 1,
      "location_summary": "Newport Beach, California",
      "locations": [
        {
          "city": "Newport Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01767519"
    },
    {
      "nct_id": "NCT02386072",
      "title": "A Prospective, Observational, Multicenter Study of Patients Following Initiation of a New Course of Treatment for Overactive Bladder (OAB)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Urinary Bladder Overactive",
        "Overactive Bladder",
        "Urinary Bladder Diseases",
        "Urologic Diseases"
      ],
      "interventions": [
        {
          "name": "mirabegron",
          "type": "DRUG"
        },
        {
          "name": "antimuscarinic medication",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Scientific & Medical Affairs, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1524,
      "start_date": "2015-01-05",
      "completion_date": "2017-08-04",
      "has_results": false,
      "last_update_posted_date": "2024-10-16",
      "last_synced_at": "2026-09-30T21:21:32.125Z",
      "location_count": 75,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 56 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Goodyear",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02386072"
    }
  ]
}