{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Matrix%2FCHADD+Patch",
    "query": {
      "intervention": "Placebo Matrix/CHADD Patch"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 3,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T21:55:32.422Z",
  "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": "NCT00278824",
      "title": "Fentanyl Transdermal Patch With CHADD™ for Breakthrough Pain in Patients With Moderate to Severe Non-Malignant Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Matrix Transdermal Fentanyl/CHADD Drug Delivery System",
          "type": "DRUG"
        },
        {
          "name": "Placebo Patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ZARS Pharma Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 109,
      "start_date": "2006-01",
      "completion_date": "2006-08",
      "has_results": false,
      "last_update_posted_date": "2012-06-05",
      "last_synced_at": "2026-09-10T21:55:32.422Z",
      "location_count": 15,
      "location_summary": "Phoenix, Arizona • Jacksonville, Florida • Marietta, Georgia + 12 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Marietta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "West Des Moines",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00278824"
    },
    {
      "nct_id": "NCT00108810",
      "title": "Transdermal Ketoprofen to Treat Mild to Moderate Osteoarthritis (OA) Pain of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain",
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Transdermal Ketoprofen Patch with CHADD",
          "type": "DRUG"
        },
        {
          "name": "Placebo transdermal patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ZARS Pharma Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 118,
      "start_date": "2005-04",
      "completion_date": "2005-10",
      "has_results": false,
      "last_update_posted_date": "2012-06-05",
      "last_synced_at": "2026-09-10T21:55:32.422Z",
      "location_count": 5,
      "location_summary": "Buena Park, California • Washington D.C., District of Columbia • Daytona Beach, Florida + 2 more",
      "locations": [
        {
          "city": "Buena Park",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Daytona Beach",
          "state": "Florida"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00108810"
    },
    {
      "nct_id": "NCT00488267",
      "title": "Efficacy of ThermoProfen in Patients With Mild to Moderate Pain Associated With Osteoarthritis of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "ThermoProfen™ (Matrix Transdermal Ketoprofen/CHADD™ System)",
          "type": "DRUG"
        },
        {
          "name": "Placebo Matrix/CHADD Patch",
          "type": "DRUG"
        },
        {
          "name": "Ketoprofen matrix/placebo CHADD Patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ZARS Pharma Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 679,
      "start_date": "2007-06",
      "completion_date": "2008-09",
      "has_results": false,
      "last_update_posted_date": "2012-05-30",
      "last_synced_at": "2026-09-10T21:55:32.422Z",
      "location_count": 36,
      "location_summary": "Peoria, Arizona • Anaheim, California • Buena Park, California + 33 more",
      "locations": [
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Buena Park",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Westlake Village",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00488267"
    }
  ]
}