{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oxybutynin+ER",
    "query": {
      "intervention": "Oxybutynin ER"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T11:54:46.055Z",
  "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": "NCT00649259",
      "title": "Food Study of Oxybutynin Chloride ER Tablets 10 mg and Ditropan XL® Tablets 10 mg",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Oxybutynin Chloride ER Tablets 10 mg",
          "type": "DRUG"
        },
        {
          "name": "Ditropan XL® Tablets 10 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mylan Pharmaceuticals Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 39,
      "start_date": "2002-10",
      "completion_date": "2002-11",
      "has_results": false,
      "last_update_posted_date": "2024-04-24",
      "last_synced_at": "2026-09-26T11:54:46.055Z",
      "location_count": 1,
      "location_summary": "Morgantown, West Virginia",
      "locations": [
        {
          "city": "Morgantown",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00649259"
    },
    {
      "nct_id": "NCT01050114",
      "title": "OnabotulinumtoxinA (onaBoNT-A) Versus Oral Oxybutynin ER",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Overactive Bladder"
      ],
      "interventions": [
        {
          "name": "onaBoNT-A",
          "type": "DRUG"
        },
        {
          "name": "Oxybutynin ER",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Christopher Patrick Smith",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 36,
      "start_date": "2013-08",
      "completion_date": "2018-07",
      "has_results": false,
      "last_update_posted_date": "2016-08-30",
      "last_synced_at": "2026-09-26T11:54:46.055Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01050114"
    },
    {
      "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": "2026-09-26T11:54:46.055Z",
      "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": "NCT00649129",
      "title": "Fasting Study of Oxybutynin Chloride ER Tablets 10 mg and Ditropan XL® Tablets 10 mg",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Oxybutynin Chloride ER Tablets 10 mg",
          "type": "DRUG"
        },
        {
          "name": "Ditropan XL® Tablets 10 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mylan Pharmaceuticals Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2002-07",
      "completion_date": "2002-08",
      "has_results": false,
      "last_update_posted_date": "2024-04-24",
      "last_synced_at": "2026-09-26T11:54:46.055Z",
      "location_count": 1,
      "location_summary": "Morgantown, West Virginia",
      "locations": [
        {
          "city": "Morgantown",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00649129"
    },
    {
      "nct_id": "NCT00649727",
      "title": "Fed Study of Oxybutynin Chloride Extended-release Tablets 10 mg and Ditropan XL® Tablets 10 mg",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Oxybutynin Chloride ER Tablets 10 mg",
          "type": "DRUG"
        },
        {
          "name": "Ditropan XL® Tablets 10 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mylan Pharmaceuticals Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2002-07",
      "completion_date": "2002-08",
      "has_results": false,
      "last_update_posted_date": "2024-04-23",
      "last_synced_at": "2026-09-26T11:54:46.055Z",
      "location_count": 1,
      "location_summary": "Morgantown, West Virginia",
      "locations": [
        {
          "city": "Morgantown",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00649727"
    }
  ]
}