{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fesoterodine+Fumarate&page=2", "query": { "intervention": "Fesoterodine Fumarate", "page": 2 }, "page_size": 10 }, "pagination": { "page": 2, "page_size": 10, "total_count": 32, "total_pages": 4, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fesoterodine+Fumarate&page=3&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fesoterodine+Fumarate&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-05T03:11:18.528Z", "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": "NCT00928070", "title": "A Study Of Efficacy And Safety Of Fesoterodine In Vulnerable Elderly Subjects With Overactive Bladder", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Overactive Bladder" ], "interventions": [ { "name": "Fesoterodine", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "65 Years", "maximum_age": null, "sex": "ALL", "summary": "65 Years and older" }, "enrollment_count": 566, "start_date": "2009-09", "completion_date": "2011-09", "has_results": true, "last_update_posted_date": "2013-01-17", "last_synced_at": "2026-10-05T03:11:18.528Z", "location_count": 125, "location_summary": "Birmingham, Alabama • Montgomery, Alabama • Green Valley, Arizona + 106 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Montgomery", "state": "Alabama" }, { "city": "Green Valley", "state": "Arizona" }, { "city": "Mesa", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT00928070" }, { "nct_id": "NCT01613170", "title": "Premarin Versus Toviaz for Treatment of Overactive Bladder", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Overactive Bladder" ], "interventions": [ { "name": "Toviaz", "type": "DRUG" }, { "name": "Premarin", "type": "DRUG" }, { "name": "Placebo cream", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "The Cleveland Clinic", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "30 Years", "maximum_age": "100 Years", "sex": "FEMALE", "summary": "30 Years to 100 Years · Female only" }, "enrollment_count": 90, "start_date": "2012-04", "completion_date": "2018-12", "has_results": false, "last_update_posted_date": "2017-04-20", "last_synced_at": "2026-10-05T03:11:18.528Z", "location_count": 1, "location_summary": "Weston, Florida", "locations": [ { "city": "Weston", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT01613170" }, { "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": "2026-10-05T03:11:18.528Z", "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" }, { "nct_id": "NCT01161472", "title": "A Study to Assess the Cognitive Effects of Fesoterodine in Elderly Subjects", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Healthy" ], "interventions": [ { "name": "4mg fesoterodine", "type": "DRUG" }, { "name": "8mg fesoterodine", "type": "DRUG" }, { "name": "alprazolam 1mg", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "65 Years", "maximum_age": "85 Years", "sex": "ALL", "summary": "65 Years to 85 Years" }, "enrollment_count": 20, "start_date": "2010-07", "completion_date": "2010-09", "has_results": true, "last_update_posted_date": "2012-06-28", "last_synced_at": "2026-10-05T03:11:18.528Z", "location_count": 2, "location_summary": "Overland Park, Kansas", "locations": [ { "city": "Overland Park", "state": "Kansas" }, { "city": "Overland Park", "state": "Kansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01161472" }, { "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": "2026-10-05T03:11:18.528Z", "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": "NCT00536484", "title": "Fesoterodine Flexible Dose Study", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Overactive Bladder" ], "interventions": [ { "name": "Fesoterodine", "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": 896, "start_date": "2007-08", "completion_date": "2008-03", "has_results": true, "last_update_posted_date": "2009-09-15", "last_synced_at": "2026-10-05T03:11:18.528Z", "location_count": 95, "location_summary": "Mobile, Alabama • Chandler, Arizona • Peoria, Arizona + 81 more", "locations": [ { "city": "Mobile", "state": "Alabama" }, { "city": "Chandler", "state": "Arizona" }, { "city": "Peoria", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Rancho Cordova", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00536484" }, { "nct_id": "NCT01661166", "title": "A Study of Effects of Fesoterodine in Men at High Risk for Overactive Bladder/Detrusor Overactivity Post Robotic-Assisted Lap. Prostatectomy", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Prostate Adenocarcinoma" ], "interventions": [ { "name": "Fesoterodine", "type": "DRUG" }, { "name": "Placebo oral tablet", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Abramson Cancer Center at Penn Medicine", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "30 Years", "maximum_age": "90 Years", "sex": "MALE", "summary": "30 Years to 90 Years · Male only" }, "enrollment_count": 3, "start_date": "2012-01", "completion_date": "2013-04-15", "has_results": false, "last_update_posted_date": "2020-04-28", "last_synced_at": "2026-10-05T03:11:18.528Z", "location_count": 1, "location_summary": "Philadelphia, Pennsylvania", "locations": [ { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT01661166" }, { "nct_id": "NCT02191358", "title": "YouScript IMPACT Registry", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Adverse Drug Events", "Adverse Drug Reactions", "Drug Interaction Potentiation", "Drug Metabolism, Poor, CYP2D6-RELATED", "Drug Metabolism, Poor, CYP2C19-RELATED", "Cytochrome P450 Enzyme Deficiency", "Cytochrome P450 CYP2D6 Enzyme Deficiency", "Cytochrome P450 CYP2C9 Enzyme Deficiency", "Cytochrome P450 CYP2C19 Enzyme Deficiency", "Cytochrome P450 CYP3A Enzyme Deficiency", "Poor Metabolizer Due to Cytochrome P450 CYP2C9 Variant", "Poor Metabolizer Due to Cytochrome P450 CYP2C19 Variant", "Poor Metabolizer Due to Cytochrome P450 CYP2D6 Variant" ], "interventions": [], "intervention_types": [], "sponsor": "Genelex Corporation", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "65 Years", "maximum_age": null, "sex": "ALL", "summary": "65 Years and older" }, "enrollment_count": 800, "start_date": "2014-10", "completion_date": "2015-08", "has_results": false, "last_update_posted_date": "2017-03-01", "last_synced_at": "2026-10-05T03:11:18.528Z", "location_count": 7, "location_summary": "Garden Grove, California • Denver, Colorado • Lexington, Kentucky + 3 more", "locations": [ { "city": "Garden Grove", "state": "California" }, { "city": "Denver", "state": "Colorado" }, { "city": "Lexington", "state": "Kentucky" }, { "city": "Towson", "state": "Maryland" }, { "city": "Fall River", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT02191358" }, { "nct_id": "NCT04090190", "title": "Inflammation in Women With Urgency Urinary Incontinence Treated With Anticholinergics", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Urinary Incontinence", "Urgency Urinary" ], "interventions": [ { "name": "Oxybutynin, Solifenacin, Tolterodine, Trospium, or Fesoterodine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Brigham and Women's Hospital", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "50 Years", "maximum_age": null, "sex": "FEMALE", "summary": "50 Years and older · Female only" }, "enrollment_count": 20, "start_date": "2019-10-30", "completion_date": "2021-10-31", "has_results": true, "last_update_posted_date": "2022-11-15", "last_synced_at": "2026-10-05T03:11:18.528Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT04090190" }, { "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": "2026-10-05T03:11:18.528Z", "location_count": 1, "location_summary": "Nashville, Tennessee", "locations": [ { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT00713921" } ] }