{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=clarithromycin+extended-release+tablets",
    "query": {
      "intervention": "clarithromycin extended-release tablets"
    },
    "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": "2026-09-04T11:01:20.255Z",
  "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": "NCT00840411",
      "title": "Clarithromycin 500 mg Extended Release Tablets Under Fasting Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Clarithromycin ER 500 mg tablets",
          "type": "DRUG"
        },
        {
          "name": "BIAXIN® XL 500 mg tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Pharmaceuticals USA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 66,
      "start_date": "2002-09",
      "completion_date": "2002-10",
      "has_results": true,
      "last_update_posted_date": "2024-08-19",
      "last_synced_at": "2026-09-04T11:01:20.255Z",
      "location_count": 1,
      "location_summary": "Saint Charles, Missouri",
      "locations": [
        {
          "city": "Saint Charles",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00840411"
    },
    {
      "nct_id": "NCT00645086",
      "title": "Comparative Study of 5 Days of M02-472 Clarithromycin Extended-Release Tablets to 7 Days of Clarithromycin Immediate-Release Tablets for the Treatment of Exacerbation of Chronic Bronchitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Bacterial Exacerbation of Chronic Bronchitis (ABECB)."
      ],
      "interventions": [
        {
          "name": "clarithromycin extended-release tablets",
          "type": "DRUG"
        },
        {
          "name": "clarithromycin immediate-release tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Abbott",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 465,
      "start_date": "2002-12",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2008-03-27",
      "last_synced_at": "2026-09-04T11:01:20.255Z",
      "location_count": 135,
      "location_summary": "Birmingham, Alabama • Columbiana, Alabama • Hoover, Alabama + 122 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Columbiana",
          "state": "Alabama"
        },
        {
          "city": "Hoover",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00645086"
    },
    {
      "nct_id": "NCT00840216",
      "title": "Clarithromycin 500 mg Extended Release Tablets Under Non-Fasting Conditions.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Clarithromycin ER 500 mg tablets",
          "type": "DRUG"
        },
        {
          "name": "BIAXIN® XL 500 mg tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Pharmaceuticals USA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2002-08",
      "completion_date": "2002-08",
      "has_results": true,
      "last_update_posted_date": "2024-08-19",
      "last_synced_at": "2026-09-04T11:01:20.255Z",
      "location_count": 1,
      "location_summary": "Saint Charles, Missouri",
      "locations": [
        {
          "city": "Saint Charles",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00840216"
    },
    {
      "nct_id": "NCT00644553",
      "title": "Comparative Study of the Safety and Efficacy of Clarithromycin Extended-Release Tablets Versus Amoxicillin-Clavulanate for the Treatment of Acute Bacterial Sinusitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Bacterial Sinusitis (ABS)"
      ],
      "interventions": [
        {
          "name": "Clarithromycin",
          "type": "DRUG"
        },
        {
          "name": "Amoxicillin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Abbott",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 437,
      "start_date": "2003-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2008-03-27",
      "last_synced_at": "2026-09-04T11:01:20.255Z",
      "location_count": 12,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Clovis, California + 9 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Clovis",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Luis Obispo",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00644553"
    }
  ]
}