{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HKT-500+Topical+Patch",
    "query": {
      "intervention": "HKT-500 Topical Patch"
    },
    "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": "2026-09-24T17:11:25.455Z",
  "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": "NCT00680784",
      "title": "HKT-500 in Adult Patients With Ankle Sprain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ankle Sprain"
      ],
      "interventions": [
        {
          "name": "HKT-500 Ketoprofen Topical Patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo Patch",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Hisamitsu Pharmaceutical Co., Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 260,
      "start_date": "2008-04",
      "completion_date": "2008-11",
      "has_results": false,
      "last_update_posted_date": "2015-06-04",
      "last_synced_at": "2026-09-24T17:11:25.455Z",
      "location_count": 30,
      "location_summary": "Birmingham, Alabama • Montgomery, Alabama • Anaheim, California + 26 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "San Luis Obispo",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00680784"
    },
    {
      "nct_id": "NCT00927641",
      "title": "HKT-500 in the Treatment of Adult Patients With Ankle Sprain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ankle Sprain"
      ],
      "interventions": [
        {
          "name": "Ketoprofen Patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo Patch",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Hisamitsu Pharmaceutical Co., Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2009-07",
      "completion_date": "2010-11",
      "has_results": false,
      "last_update_posted_date": "2015-06-04",
      "last_synced_at": "2026-09-24T17:11:25.455Z",
      "location_count": 25,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 21 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00927641"
    },
    {
      "nct_id": "NCT00680472",
      "title": "HKT-500 in Adult Patients With Shoulder Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "HKT-500 Ketoprofen Topical Patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo Patch",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Hisamitsu Pharmaceutical Co., Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 368,
      "start_date": "2008-04",
      "completion_date": "2008-10",
      "has_results": false,
      "last_update_posted_date": "2015-06-04",
      "last_synced_at": "2026-09-24T17:11:25.455Z",
      "location_count": 35,
      "location_summary": "Birmingham, Alabama • Tempe, Arizona • Fullerton, California + 30 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00680472"
    },
    {
      "nct_id": "NCT00647231",
      "title": "HKT-500-US12 In Adult Patients With OA Knee Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "HKT-500 Topical Patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo Patch",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Hisamitsu Pharmaceutical Co., Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2008-03",
      "completion_date": "2008-08",
      "has_results": false,
      "last_update_posted_date": "2015-06-04",
      "last_synced_at": "2026-09-24T17:11:25.455Z",
      "location_count": 29,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 25 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Burbank",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00647231"
    },
    {
      "nct_id": "NCT00792727",
      "title": "HKT-500 in Adult Patients With Osteoarthritis (OA) Knee Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "ketoprofen Patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo Patch",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Hisamitsu Pharmaceutical Co., Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 380,
      "start_date": "2007-09",
      "completion_date": "2008-05",
      "has_results": false,
      "last_update_posted_date": "2015-06-04",
      "last_synced_at": "2026-09-24T17:11:25.455Z",
      "location_count": 36,
      "location_summary": "Birmingham, Alabama • Chandler, Arizona • Peoria, Arizona + 31 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00792727"
    }
  ]
}