{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Metformin+Extended+Release+%28ER%29+Oral+Tablet",
    "query": {
      "intervention": "Metformin Extended Release (ER) Oral Tablet"
    },
    "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": "2026-10-06T05:23:47.512Z",
  "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": "NCT04741204",
      "title": "Metformin Use to Reduce Disparities in Newly Diagnosed Breast Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Breast Cancer Stage",
        "Insulin Resistance",
        "Racial Bias"
      ],
      "interventions": [
        {
          "name": "Metformin Extended Release Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Woman's",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2022-09",
      "completion_date": "2022-09",
      "has_results": false,
      "last_update_posted_date": "2023-07-06",
      "last_synced_at": "2026-10-06T05:23:47.512Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04741204"
    },
    {
      "nct_id": "NCT04414540",
      "title": "Combining Pembrolizumab and Metformin in Metastatic Head and Neck Cancer Patients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Metformin Extended Release Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Trisha Wise-Draper",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2020-08-31",
      "completion_date": "2026-09-30",
      "has_results": true,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-10-06T05:23:47.512Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04414540"
    },
    {
      "nct_id": "NCT06096259",
      "title": "Preventing Injured Knees From osteoArthritis: Severity Outcomes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis, Knee",
        "Post-traumatic Osteoarthritis",
        "ACL Tear"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 512,
      "start_date": "2024-05-06",
      "completion_date": "2029-12",
      "has_results": false,
      "last_update_posted_date": "2025-04-29",
      "last_synced_at": "2026-10-06T05:23:47.512Z",
      "location_count": 9,
      "location_summary": "Atlanta, Georgia • Iowa City, Iowa • Lexington, Kentucky + 6 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06096259"
    },
    {
      "nct_id": "NCT05949008",
      "title": "Effect of Metformin, a Drug Used to Treat Diabetes, vs Placebo",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "NIDDM",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Metformin Extended Release (ER) Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2023-11-22",
      "completion_date": "2028-07-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-10-06T05:23:47.512Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05949008"
    },
    {
      "nct_id": "NCT03670043",
      "title": "Tolerance & Responsiveness Improvement for Metformin (TRIM)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Type2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Psyllium powder",
          "type": "DRUG"
        },
        {
          "name": "Metformin Extended Release Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "West Side Institute for Science and Education",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "70 Years",
        "sex": "MALE",
        "summary": "20 Years to 70 Years · Male only"
      },
      "enrollment_count": 29,
      "start_date": "2019-03-19",
      "completion_date": "2021-08-15",
      "has_results": false,
      "last_update_posted_date": "2021-09-10",
      "last_synced_at": "2026-10-06T05:23:47.512Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03670043"
    }
  ]
}