{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Toviaz+%28Fesoterodine%29",
    "query": {
      "intervention": "Toviaz (Fesoterodine)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 32,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Toviaz+%28Fesoterodine%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T06:37:12.856Z",
  "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": "NCT00713921",
      "title": "Neuropathic Investigation and Anticholinergic Treatment of Bladder Dysfunction in Diabetes and Stroke Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Urinary Incontinence",
        "Bladder Dysfunction"
      ],
      "interventions": [
        {
          "name": "Fesoterodine Oral Product",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Saint Thomas Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 85 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2009-09-15",
      "completion_date": "2014-01-17",
      "has_results": false,
      "last_update_posted_date": "2018-09-11",
      "last_synced_at": "2026-10-11T06:37:12.856Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00713921"
    },
    {
      "nct_id": "NCT01925456",
      "title": "Validation of Instruments for Pragmatic Clinical Trials for Overactive Bladder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Overactive Bladder"
      ],
      "interventions": [
        {
          "name": "Toviaz",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 75,
      "start_date": "2011-05",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2014-12-10",
      "last_synced_at": "2026-10-11T06:37:12.856Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01925456"
    },
    {
      "nct_id": "NCT01605617",
      "title": "Trial of Percutaneous Tibial Nerve Stimulation (PTNS) Versus PTNS and Fesoterodine Fumarate",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Overactive Bladder"
      ],
      "interventions": [
        {
          "name": "Fesoterodine fumarate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Percutaneous Tibial Nerve Stimulation (PTNS)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "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": 4,
      "start_date": "2012-06",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2014-02-05",
      "last_synced_at": "2026-10-11T06:37:12.856Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01605617"
    },
    {
      "nct_id": "NCT00546637",
      "title": "Fesoterodine \"add-on\" Male Overactive Bladder Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Overactive Bladder Syndrome"
      ],
      "interventions": [
        {
          "name": "Fesoterodine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "40 Years and older · Male only"
      },
      "enrollment_count": 947,
      "start_date": "2007-11",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2011-02-18",
      "last_synced_at": "2026-10-11T06:37:12.856Z",
      "location_count": 62,
      "location_summary": "Birmingham, Alabama • Gilbert, Arizona • Litchfield Park, Arizona + 53 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Litchfield Park",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00546637"
    },
    {
      "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": "2026-10-11T06:37:12.856Z",
      "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"
    },
    {
      "nct_id": "NCT01557244",
      "title": "A Study To Find Out How Fesoterodine Works In Children Aged 6 To 17 Years With Bladder Overactivity Caused By A Neurological Condition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Urinary Bladder, Neurogenic"
      ],
      "interventions": [
        {
          "name": "Fesoterodine PR 4 mg",
          "type": "DRUG"
        },
        {
          "name": "Fesoterodine PR 8 mg",
          "type": "DRUG"
        },
        {
          "name": "Oxybutynin",
          "type": "DRUG"
        },
        {
          "name": "Fesoterodine PR",
          "type": "DRUG"
        },
        {
          "name": "Fesoterodine BIC 2 mg",
          "type": "DRUG"
        },
        {
          "name": "Fesoterodine BIC 4 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 181,
      "start_date": "2012-07-02",
      "completion_date": "2020-02-13",
      "has_results": true,
      "last_update_posted_date": "2021-02-02",
      "last_synced_at": "2026-10-11T06:37:12.856Z",
      "location_count": 18,
      "location_summary": "Tucson, Arizona • Orange, California • Atlanta, Georgia + 8 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01557244"
    },
    {
      "nct_id": "NCT00902187",
      "title": "A Bioequivalence Study Of 4 Mg Fesoterodine Extended-Release Tablets (Toviaz™) In Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Treatment of Overactive Bladder"
      ],
      "interventions": [
        {
          "name": "Fesoterodine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 36,
      "start_date": "2009-05",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2018-10-16",
      "last_synced_at": "2026-10-11T06:37:12.856Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00902187"
    },
    {
      "nct_id": "NCT00444925",
      "title": "Clinical Trial to Evaluate the Efficacy and Safety of Fesoterodine in Comparison to Tolterodine for Overactive Bladder (OAB)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Overactive Bladder"
      ],
      "interventions": [
        {
          "name": "fesoterodine fumarate",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "tolterodine tartrate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1712,
      "start_date": "2007-04",
      "completion_date": "2008-07",
      "has_results": true,
      "last_update_posted_date": "2015-03-24",
      "last_synced_at": "2026-10-11T06:37:12.856Z",
      "location_count": 41,
      "location_summary": "Homewood, Alabama • Huntsville, Alabama • Mobile, Alabama + 36 more",
      "locations": [
        {
          "city": "Homewood",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Carmichael",
          "state": "California"
        },
        {
          "city": "Orangevale",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00444925"
    },
    {
      "nct_id": "NCT00220389",
      "title": "Two Phase Extension Trial of SP668 to Investigate the Safety and Tolerability of Sustained Release Fesoterodine in Subjects With Overactive Bladder: a Double-Blind Phase Followed by an Open-Label Extension Phase",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Overactive Bladder"
      ],
      "interventions": [
        {
          "name": "SPM 907",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "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": "2003-06",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2008-10-16",
      "last_synced_at": "2026-10-11T06:37:12.856Z",
      "location_count": 1,
      "location_summary": "RTP, North Carolina",
      "locations": [
        {
          "city": "RTP",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00220389"
    },
    {
      "nct_id": "NCT01302067",
      "title": "A 12 Week Study to Confirm the Effectiveness of 8mg of Fesoterodine Compared to 4mg of Fesoterodine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Overactive Bladder"
      ],
      "interventions": [
        {
          "name": "Fesoterodine 8mg",
          "type": "DRUG"
        },
        {
          "name": "Fesoterodine 4mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2012,
      "start_date": "2011-05",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2014-03-26",
      "last_synced_at": "2026-10-11T06:37:12.856Z",
      "location_count": 165,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 130 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01302067"
    }
  ]
}