{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=metformin",
    "query": {
      "intervention": "metformin"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 973,
    "total_pages": 98,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=metformin&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-07T10:15:30.558Z",
  "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": "NCT04221750",
      "title": "Diet and Exercise Plus Metformin to Treat Frailty in Obese Seniors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Frailty",
        "Sarcopenic Obesity",
        "Aging"
      ],
      "interventions": [
        {
          "name": "Lifestyle therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Metformin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Healthy Lifestyle",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "65 Years to 85 Years"
      },
      "enrollment_count": 114,
      "start_date": "2021-05-14",
      "completion_date": "2025-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-05",
      "last_synced_at": "2026-06-07T10:15:30.558Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04221750"
    },
    {
      "nct_id": "NCT04008186",
      "title": "A Clinical Drug-Drug Interaction (DDI) Study With Omaveloxolone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Adult Subjects"
      ],
      "interventions": [
        {
          "name": "Omaveloxolone",
          "type": "DRUG"
        },
        {
          "name": "Midazolam oral solution",
          "type": "DRUG"
        },
        {
          "name": "Repaglinide 1 MG",
          "type": "DRUG"
        },
        {
          "name": "MetFORMIN 500 Mg Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "Rosuvastatin",
          "type": "DRUG"
        },
        {
          "name": "Digoxin tablet",
          "type": "DRUG"
        },
        {
          "name": "Gemfibrozil Tablets",
          "type": "DRUG"
        },
        {
          "name": "Itraconazole capsule",
          "type": "DRUG"
        },
        {
          "name": "Verapamil Pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Biogen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 61,
      "start_date": "2019-06-14",
      "completion_date": "2019-08-28",
      "has_results": false,
      "last_update_posted_date": "2025-05-30",
      "last_synced_at": "2026-06-07T10:15:30.558Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04008186"
    },
    {
      "nct_id": "NCT00649350",
      "title": "Food Study Metformin Hydrochloride ER Tablets 750 mg and Glucophage XR 750 mg",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Metformin Hydrochloride ER Tablets 750 mg",
          "type": "DRUG"
        },
        {
          "name": "Glucophage XR 750 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mylan Pharmaceuticals Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2003-12",
      "completion_date": "2003-12",
      "has_results": false,
      "last_update_posted_date": "2024-04-24",
      "last_synced_at": "2026-06-07T10:15:30.558Z",
      "location_count": 1,
      "location_summary": "Fargo, North Dakota",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00649350"
    },
    {
      "nct_id": "NCT03981861",
      "title": "Metabolic and Neuro-Endocrine Effect of Treating PCOS in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "PCOS"
      ],
      "interventions": [
        {
          "name": "Metformin and Spironolactone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Mercy Hospital Kansas City",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "21 Years",
        "sex": "FEMALE",
        "summary": "13 Years to 21 Years · Female only"
      },
      "enrollment_count": 12,
      "start_date": "2016-07-02",
      "completion_date": "2019-06-05",
      "has_results": true,
      "last_update_posted_date": "2021-02-23",
      "last_synced_at": "2026-06-07T10:15:30.558Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03981861"
    },
    {
      "nct_id": "NCT00333151",
      "title": "Effect of Liraglutide on Blood Glucose Control in Subjects With Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Diabetes",
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "liraglutide",
          "type": "DRUG"
        },
        {
          "name": "rosiglitazone",
          "type": "DRUG"
        },
        {
          "name": "metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novo Nordisk A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 576,
      "start_date": "2006-05",
      "completion_date": "2007-08",
      "has_results": false,
      "last_update_posted_date": "2017-01-25",
      "last_synced_at": "2026-06-07T10:15:30.558Z",
      "location_count": 71,
      "location_summary": "Goodyear, Arizona • Colton, California • Concord, California + 59 more",
      "locations": [
        {
          "city": "Goodyear",
          "state": "Arizona"
        },
        {
          "city": "Colton",
          "state": "California"
        },
        {
          "city": "Concord",
          "state": "California"
        },
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00333151"
    },
    {
      "nct_id": "NCT05660083",
      "title": "Alpelisib/iNOS Inhibitor/Nab-paclitaxel in Patients With HER2 Negative Metaplastic Breast Cancer (MpBC)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HER2-negative Breast Cancer",
        "Metastatic Breast Cancer",
        "Metaplastic Breast Carcinoma",
        "TNBC - Triple-Negative Breast Cancer"
      ],
      "interventions": [
        {
          "name": "L-NMMA",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Methodist Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2023-01-12",
      "completion_date": "2028-12-02",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-06-07T10:15:30.558Z",
      "location_count": 3,
      "location_summary": "Bethesda, Maryland • Houston, Texas",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05660083"
    },
    {
      "nct_id": "NCT00865072",
      "title": "A Relative Bioavailability Study of Metformin HCl 750 mg ER Tablets Under Fasting Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Metformin HCl 750 mg Extender Release tablets, single dose",
          "type": "DRUG"
        },
        {
          "name": "GLUCOPHAGE® XR 750 mg tablets, single dose",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Actavis Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2003-08",
      "completion_date": "2003-08",
      "has_results": false,
      "last_update_posted_date": "2010-08-17",
      "last_synced_at": "2026-06-07T10:15:30.558Z",
      "location_count": 1,
      "location_summary": "Fargo, North Dakota",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00865072"
    },
    {
      "nct_id": "NCT00546728",
      "title": "The Vascular Effects of Exenatide Versus Metformin in Patients With Pre-Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Impaired Glucose Tolerance"
      ],
      "interventions": [
        {
          "name": "Exenatide",
          "type": "DRUG"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "St. Paul Heart Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2007-10",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2013-11-08",
      "last_synced_at": "2026-06-07T10:15:30.558Z",
      "location_count": 2,
      "location_summary": "Saint Louis Park, Minnesota • Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Louis Park",
          "state": "Minnesota"
        },
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00546728"
    },
    {
      "nct_id": "NCT05232994",
      "title": "Metformin and Esomeprazole For Preterm Pre-eclampsia",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Preeclampsia Severe",
        "Preeclampsia Second Trimester",
        "Preterm Birth Complication"
      ],
      "interventions": [
        {
          "name": "Esomeprazole 20mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Christiana Care Health Services",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 38,
      "start_date": "2023-03-01",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-02-10",
      "last_synced_at": "2026-06-07T10:15:30.558Z",
      "location_count": 1,
      "location_summary": "Newark, Delaware",
      "locations": [
        {
          "city": "Newark",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05232994"
    },
    {
      "nct_id": "NCT01779375",
      "title": "RISE Pediatric Medication Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prediabetes",
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Glargine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "RISE Study Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "10 Years to 19 Years"
      },
      "enrollment_count": 91,
      "start_date": "2013-06-16",
      "completion_date": "2018-04",
      "has_results": true,
      "last_update_posted_date": "2023-04-14",
      "last_synced_at": "2026-06-07T10:15:30.558Z",
      "location_count": 4,
      "location_summary": "Denver, Colorado • New Haven, Connecticut • Indianapolis, Indiana + 1 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01779375"
    }
  ]
}