{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HZT-501",
    "query": {
      "intervention": "HZT-501"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 2,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T23:09:57.724Z",
  "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": "NCT00613106",
      "title": "Double-Blind Follow-on Safety Study of HZT-501 (Ibuprofen 800 mg/Famotidine 26.6 mg) in Subjects Who Have Completed Participation in HZ-CA-301 (NCT00450658) or HZ-CA-303 (NCT00450216)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis",
        "Rheumatoid Arthritis",
        "Chronic Low Back Pain",
        "Chronic Regional Pain Syndrome",
        "Chronic Soft Tissue Pain"
      ],
      "interventions": [
        {
          "name": "HZT-501",
          "type": "DRUG"
        },
        {
          "name": "Ibuprofen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "81 Years",
        "sex": "ALL",
        "summary": "40 Years to 81 Years"
      },
      "enrollment_count": 179,
      "start_date": "2007-09",
      "completion_date": "2008-10",
      "has_results": true,
      "last_update_posted_date": "2024-12-17",
      "last_synced_at": "2026-09-08T23:09:57.724Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00613106"
    },
    {
      "nct_id": "NCT00984815",
      "title": "Safety Study of HZT-501 in Patients Who Require Long-Term Daily Non-steroidal Anti-inflammatory Drug Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis",
        "Rheumatoid Arthritis",
        "Chronic Low Back Pain",
        "Chronic Regional Pain Syndrome",
        "Chronic Soft Tissue Pain"
      ],
      "interventions": [
        {
          "name": "HZT-501",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 86,
      "start_date": "2009-09",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2024-12-18",
      "last_synced_at": "2026-09-08T23:09:57.724Z",
      "location_count": 4,
      "location_summary": "Chicago, Illinois • Morton Grove, Illinois • Duncansville, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Morton Grove",
          "state": "Illinois"
        },
        {
          "city": "Duncansville",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00984815"
    }
  ]
}