{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=metformin&page=13",
    "query": {
      "intervention": "metformin",
      "page": 13
    },
    "page_size": 10
  },
  "pagination": {
    "page": 13,
    "page_size": 10,
    "total_count": 979,
    "total_pages": 98,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=metformin&page=14&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=metformin&page=12&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T18:20:28.930Z",
  "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": "NCT00778141",
      "title": "Bioequivalence Study of Metformin HCl 750 mg XR Tablets Under Non Fasting Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "metformin HC1 750 mg extended-release tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ranbaxy Laboratories Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2004-04",
      "completion_date": "2004-06",
      "has_results": false,
      "last_update_posted_date": "2008-10-23",
      "last_synced_at": "2026-10-22T18:20:28.930Z",
      "location_count": 1,
      "location_summary": "Saint Charles, Missouri",
      "locations": [
        {
          "city": "Saint Charles",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00778141"
    },
    {
      "nct_id": "NCT01697566",
      "title": "An Endometrial Cancer Chemoprevention Study of Metformin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Gynecology"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Endometrial Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Lifestyle Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 65 Years · Female only"
      },
      "enrollment_count": 29,
      "start_date": "2013-05-30",
      "completion_date": "2024-05-30",
      "has_results": true,
      "last_update_posted_date": "2025-06-11",
      "last_synced_at": "2026-10-22T18:20:28.930Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01697566"
    },
    {
      "nct_id": "NCT00970593",
      "title": "Study Evaluating Safety, Tolerability, And Action Of OAP-189 In Subjects With Type 2 Diabetes On Metformin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "OAP-189",
          "type": "DRUG"
        },
        {
          "name": "placebo comparator",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 92,
      "start_date": "2009-09-02",
      "completion_date": "2011-07-25",
      "has_results": true,
      "last_update_posted_date": "2020-11-02",
      "last_synced_at": "2026-10-22T18:20:28.930Z",
      "location_count": 2,
      "location_summary": "Chula Vista, California • Miami Gardens, Florida",
      "locations": [
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Miami Gardens",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00970593"
    },
    {
      "nct_id": "NCT02050009",
      "title": "Metformin Hydrochloride, Carboplatin, and Paclitaxel in Treating Patients With Recurrent Ovarian, Fallopian Tube, or Primary Peritoneal Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Ovarian Papillary Serous Carcinoma",
        "Ovarian Serous Cystadenocarcinoma",
        "Recurrent Fallopian Tube Cancer",
        "Recurrent Ovarian Epithelial Cancer",
        "Recurrent Ovarian Germ Cell Tumor",
        "Recurrent Primary Peritoneal Cavity Cancer"
      ],
      "interventions": [
        {
          "name": "metformin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "carboplatin",
          "type": "DRUG"
        },
        {
          "name": "paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Fox Chase Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 0,
      "start_date": null,
      "completion_date": "2014-10-31",
      "has_results": false,
      "last_update_posted_date": "2019-02-20",
      "last_synced_at": "2026-10-22T18:20:28.930Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02050009"
    },
    {
      "nct_id": "NCT00618072",
      "title": "EMPOWIR:Enhance the Metabolic Profile of Women With Insulin Resistance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hyperinsulinemia",
        "Insulin Resistance",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "metformin and rosiglitazone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York Medical College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "35 Years to 55 Years · Female only"
      },
      "enrollment_count": 46,
      "start_date": "2008-01",
      "completion_date": "2011-01",
      "has_results": true,
      "last_update_posted_date": "2014-03-28",
      "last_synced_at": "2026-10-22T18:20:28.930Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00618072"
    },
    {
      "nct_id": "NCT01408095",
      "title": "A Study in Patients With Type 2 Diabetes",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "LY2608204",
          "type": "DRUG"
        },
        {
          "name": "Glimepiride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "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": 240,
      "start_date": "2011-09",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2011-08-25",
      "last_synced_at": "2026-10-22T18:20:28.930Z",
      "location_count": 18,
      "location_summary": "Anaheim, California • Lancaster, California • Spring Valley, California + 15 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Lancaster",
          "state": "California"
        },
        {
          "city": "Spring Valley",
          "state": "California"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01408095"
    },
    {
      "nct_id": "NCT02531308",
      "title": "Metformin in Combination With Standard Induction Therapy for Large B-cell Lymphoma (DLBCL)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diffuse Large B-Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Vincristine",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "pegfilgrastim",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2015-07",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2022-09-28",
      "last_synced_at": "2026-10-22T18:20:28.930Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02531308"
    },
    {
      "nct_id": "NCT04231435",
      "title": "Influence of Fedratinib on the Pharmacokinetics of the Transporter Probe Substrates Digoxin, Rosuvastatin, and Metformin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Fedratinib",
          "type": "DRUG"
        },
        {
          "name": "Digoxin",
          "type": "DRUG"
        },
        {
          "name": "Rosuvastatin",
          "type": "DRUG"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Celgene",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 24,
      "start_date": "2019-12-18",
      "completion_date": "2020-02-21",
      "has_results": false,
      "last_update_posted_date": "2020-05-21",
      "last_synced_at": "2026-10-22T18:20:28.930Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04231435"
    },
    {
      "nct_id": "NCT05900466",
      "title": "Metformin for Fibromyalgia Symptoms (INFORM Trial)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Fibromyalgia Syndrome"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 72,
      "start_date": "2023-04-01",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-10-22T18:20:28.930Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05900466"
    },
    {
      "nct_id": "NCT06377696",
      "title": "Remote Cognitive Assessment and Wearable Device While Assessing the Impact of Metformin in Patients With History of Cranial Radiation Therapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Malignant Brain Neoplasm"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Medical Device Usage and Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Neurocognitive Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2024-05-31",
      "completion_date": "2028-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-02",
      "last_synced_at": "2026-10-22T18:20:28.930Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06377696"
    }
  ]
}