{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tolterodine+placebo&page=2",
    "query": {
      "intervention": "Tolterodine placebo",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 28,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tolterodine+placebo&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tolterodine+placebo&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T00:57:24.270Z",
  "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": "NCT00611026",
      "title": "Clinical Trial to Evaluate the Efficacy and Safety of Fesoterodine in Comparison to Tolterodine Extended Release(ER)in Patients With Overactive Bladder.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Overactive Bladder"
      ],
      "interventions": [
        {
          "name": "Tolterodine ER",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Fesoterodine",
          "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": 2417,
      "start_date": "2008-02",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2011-02-02",
      "last_synced_at": "2026-10-05T00:57:24.270Z",
      "location_count": 102,
      "location_summary": "Enterprise, Alabama • Mobile, Alabama • Montgomery, Alabama + 85 more",
      "locations": [
        {
          "city": "Enterprise",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00611026"
    },
    {
      "nct_id": "NCT00411437",
      "title": "Effects Of Detrol LA On Memory And Cognition In Elderly Population",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Memory",
        "Cognition"
      ],
      "interventions": [
        {
          "name": "Tolterodine ER",
          "type": "DRUG"
        },
        {
          "name": "Oxybutynin ER",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer's Upjohn has merged with Mylan to form Viatris Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "65 Years to 75 Years"
      },
      "enrollment_count": 220,
      "start_date": "2006-12",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2021-01-27",
      "last_synced_at": "2026-10-05T00:57:24.270Z",
      "location_count": 9,
      "location_summary": "Tucson, Arizona • Brooksville, Florida • DeLand, Florida + 5 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Brooksville",
          "state": "Florida"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Naples",
          "state": "Florida"
        },
        {
          "city": "Ocala",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00411437"
    },
    {
      "nct_id": "NCT03492281",
      "title": "A Study to Examine the Safety and Efficacy of a New Drug in Patients With Symptoms of Overactive Bladder (OAB)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Overactive Bladder"
      ],
      "interventions": [
        {
          "name": "vibegron",
          "type": "DRUG"
        },
        {
          "name": "Vibegron placebo",
          "type": "DRUG"
        },
        {
          "name": "Tolterodine Tartrate ER",
          "type": "DRUG"
        },
        {
          "name": "Tolterodine placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Urovant Sciences GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1530,
      "start_date": "2018-03-26",
      "completion_date": "2019-02-04",
      "has_results": true,
      "last_update_posted_date": "2021-03-04",
      "last_synced_at": "2026-10-05T00:57:24.270Z",
      "location_count": 191,
      "location_summary": "Birmingham, Alabama • Gulf Shores, Alabama • Huntsville, Alabama + 155 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Gulf Shores",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03492281"
    },
    {
      "nct_id": "NCT01302938",
      "title": "Web-based Methodology Trial to Evaluate the Efficacy and Safety of Tolterodine ER in Subjects With Overactive Bladder",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Overactive Bladder"
      ],
      "interventions": [
        {
          "name": "Tolterodine ER",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer's Upjohn has merged with Mylan to form Viatris Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 18,
      "start_date": "2011-03",
      "completion_date": "2012-08",
      "has_results": true,
      "last_update_posted_date": "2021-01-28",
      "last_synced_at": "2026-10-05T00:57:24.270Z",
      "location_count": 2,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01302938"
    },
    {
      "nct_id": "NCT00143481",
      "title": "Effect of Detrol LA on Overactive Bladder Symptoms, Sexual Quality of Life and Sexual Function in Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Urinary Incontinence"
      ],
      "interventions": [
        {
          "name": "Tolterodine ER 4mg QD",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer's Upjohn has merged with Mylan to form Viatris Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 400,
      "start_date": "2005-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2021-01-27",
      "last_synced_at": "2026-10-05T00:57:24.270Z",
      "location_count": 58,
      "location_summary": "Chandler, Arizona • Phoenix, Arizona • Little Rock, Arkansas + 46 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00143481"
    },
    {
      "nct_id": "NCT02436889",
      "title": "Treatment of Incontinence Without Memory Problems",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Urge Incontinence",
        "Urinary Incontinence, Urge"
      ],
      "interventions": [
        {
          "name": "Mirabegron",
          "type": "DRUG"
        },
        {
          "name": "Tolterodine Tartrate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "65 Years and older · Female only"
      },
      "enrollment_count": 23,
      "start_date": "2016-02",
      "completion_date": "2018-07",
      "has_results": true,
      "last_update_posted_date": "2019-04-16",
      "last_synced_at": "2026-10-05T00:57:24.270Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02436889"
    },
    {
      "nct_id": "NCT00147654",
      "title": "Effect and Safety Of Detrol LA In Men With Overactive Bladder Symptoms With Or Without Bladder Outlet Obstruction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Urinary Incontinence"
      ],
      "interventions": [
        {
          "name": "Tolterodine ER 4 mg QD",
          "type": "DRUG"
        },
        {
          "name": "Tamsulosin 0.4 mg QD",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer's Upjohn has merged with Mylan to form Viatris Inc.",
      "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": 830,
      "start_date": "2004-11",
      "completion_date": "2006-05",
      "has_results": false,
      "last_update_posted_date": "2021-01-27",
      "last_synced_at": "2026-10-05T00:57:24.270Z",
      "location_count": 95,
      "location_summary": "Birmingham, Alabama • Homewood, Alabama • Tucson, Arizona + 92 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Homewood",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Culver City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00147654"
    },
    {
      "nct_id": "NCT07829029",
      "title": "Ancillary Nocturnal Urinary Symptoms Analyses for TRIUMPH",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Nocturia"
      ],
      "interventions": [
        {
          "name": "TolterodineTartrate ER",
          "type": "DRUG"
        },
        {
          "name": "Mirabegron",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "60 Years and older · Female only"
      },
      "enrollment_count": 270,
      "start_date": "2022-10-04",
      "completion_date": "2027-05-02",
      "has_results": false,
      "last_update_posted_date": "2026-09-22",
      "last_synced_at": "2026-10-05T00:57:24.270Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07829029"
    },
    {
      "nct_id": "NCT00909181",
      "title": "Study of Topically Administered Oxybutynin Gel in Patients With Urge Incontinence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Urge Urinary Incontinence",
        "Urinary Frequency"
      ],
      "interventions": [
        {
          "name": "Oxybutynin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Antares 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": 626,
      "start_date": "2009-03",
      "completion_date": "2010-11",
      "has_results": true,
      "last_update_posted_date": "2014-07-02",
      "last_synced_at": "2026-10-05T00:57:24.270Z",
      "location_count": 55,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Laguna Hills, California + 50 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Laguna Hills",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00909181"
    },
    {
      "nct_id": "NCT00282932",
      "title": "Detrol LA In Men With Overactive Bladder.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Overactive Bladder (OAB)"
      ],
      "interventions": [
        {
          "name": "Detrol LA",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer's Upjohn has merged with Mylan to form Viatris Inc.",
      "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": 600,
      "start_date": "2006-01",
      "completion_date": "2007-05-14",
      "has_results": false,
      "last_update_posted_date": "2021-01-27",
      "last_synced_at": "2026-10-05T00:57:24.270Z",
      "location_count": 11,
      "location_summary": "Anaheim, California • La Mesa, California • Aurora, Colorado + 8 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00282932"
    }
  ]
}