{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=solifenacin+10+mg+matching+placebo",
    "query": {
      "intervention": "solifenacin 10 mg matching placebo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T14:55:01.839Z",
  "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": "NCT01908829",
      "title": "A Trial Comparing Combination Treatment (Solifenacin Plus Mirabegron) With One Treatment Alone (Solifenacin)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Urinary Bladder Diseases",
        "Urinary Bladder Overactive",
        "Urologic Diseases"
      ],
      "interventions": [
        {
          "name": "mirabegron 25 mg",
          "type": "DRUG"
        },
        {
          "name": "mirabegron 50 mg",
          "type": "DRUG"
        },
        {
          "name": "solifenacin 5 mg",
          "type": "DRUG"
        },
        {
          "name": "solifenacin 10 mg",
          "type": "DRUG"
        },
        {
          "name": "mirabegron 25 mg matching placebo",
          "type": "DRUG"
        },
        {
          "name": "mirabegron 50 mg matching placebo",
          "type": "DRUG"
        },
        {
          "name": "solifenacin 5 mg matching placebo",
          "type": "DRUG"
        },
        {
          "name": "solifenacin 10 mg matching placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Europe Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2174,
      "start_date": "2013-07-10",
      "completion_date": "2014-11-25",
      "has_results": true,
      "last_update_posted_date": "2024-10-31",
      "last_synced_at": "2026-10-06T14:55:01.839Z",
      "location_count": 36,
      "location_summary": "Tucson, Arizona • Buena Park, California • Los Angeles, California + 31 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Buena Park",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Valley Village",
          "state": "California"
        },
        {
          "city": "Brooksville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01908829"
    },
    {
      "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": "2026-10-06T14:55:01.839Z",
      "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": "NCT01565707",
      "title": "A Study to Investigate How Effective and Safe Solifenacin Succinate Suspension is in Treating Children/Adolescents Aged 5 to Less Than 18 Years With Symptoms of Overactive Bladder (OAB) Compared to a Non-active Drug",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Urinary Bladder, Overactive"
      ],
      "interventions": [
        {
          "name": "Solifenacin Succinate Suspension",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Urotherapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Astellas Pharma Europe B.V.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 189,
      "start_date": "2012-06-07",
      "completion_date": "2014-01-02",
      "has_results": true,
      "last_update_posted_date": "2024-10-31",
      "last_synced_at": "2026-10-06T14:55:01.839Z",
      "location_count": 2,
      "location_summary": "Shreveport, Louisiana • Albany, New York",
      "locations": [
        {
          "city": "Shreveport",
          "state": "Louisiana"
        },
        {
          "city": "Albany",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01565707"
    },
    {
      "nct_id": "NCT01093534",
      "title": "Study of 2 Doses of Solifenacin Succinate in Female Subjects With Overactive Bladder.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Detrusor Overactivity",
        "Overactive Bladder"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "solifenacin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma 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": 547,
      "start_date": "2010-01-19",
      "completion_date": "2011-06-23",
      "has_results": true,
      "last_update_posted_date": "2024-12-03",
      "last_synced_at": "2026-10-06T14:55:01.839Z",
      "location_count": 3,
      "location_summary": "New York, New York • West Reading, Pennsylvania",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "West Reading",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01093534"
    }
  ]
}