{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Metformin+HCl",
    "query": {
      "intervention": "Metformin HCl"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 978,
    "total_pages": 98,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Metformin+HCl&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T02:00:46.658Z",
  "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": "NCT00789191",
      "title": "Effect of Detemir and Sitagliptin on Blood Glucose Control in Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Diabetes",
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "insulin detemir",
          "type": "DRUG"
        },
        {
          "name": "sitagliptin",
          "type": "DRUG"
        },
        {
          "name": "metformin",
          "type": "DRUG"
        },
        {
          "name": "sulphonylurea",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novo Nordisk A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 222,
      "start_date": "2008-11",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2017-03-14",
      "last_synced_at": "2026-09-03T02:00:46.658Z",
      "location_count": 10,
      "location_summary": "Vestavia Hills, Alabama • Orange, California • Santa Monica, California + 7 more",
      "locations": [
        {
          "city": "Vestavia Hills",
          "state": "Alabama"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Dunwoody",
          "state": "Georgia"
        },
        {
          "city": "West Seneca",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00789191"
    },
    {
      "nct_id": "NCT01859793",
      "title": "Effects of Sitagliptin on Endothelial Function in Type 2 Diabetes on Background Metformin Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Diabetes",
        "Atherosclerosis"
      ],
      "interventions": [
        {
          "name": "sitagliptin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 38,
      "start_date": "2013-06",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2016-10-21",
      "last_synced_at": "2026-09-03T02:00:46.658Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01859793"
    },
    {
      "nct_id": "NCT00995787",
      "title": "Safety and Tolerability of AZD1656 in Type 2 Diabetes Mellitus (T2DM) Patients Treated With Metformin and Sulfonylurea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Type II Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "AZD1656",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "30 Years to 75 Years"
      },
      "enrollment_count": 75,
      "start_date": "2009-10",
      "completion_date": "2010-02",
      "has_results": false,
      "last_update_posted_date": "2010-02-26",
      "last_synced_at": "2026-09-03T02:00:46.658Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00995787"
    },
    {
      "nct_id": "NCT01463774",
      "title": "A Study to Assess the Bioequivalence of 2 Fixed Dose Combination Tablets of Canagliflozin and Metformin Immediate Release (IR) With Respect to the Individual Components of Canagliflozin and Metformin IR Tablets in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Treatment A: Canagliflozin tablet",
          "type": "DRUG"
        },
        {
          "name": "Treatment A: Metformin IR tablets",
          "type": "DRUG"
        },
        {
          "name": "Treatment B: Canagliflozin/metformin fixed dose combination tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "19 Years to 55 Years"
      },
      "enrollment_count": 74,
      "start_date": "2011-09",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2012-11-21",
      "last_synced_at": "2026-09-03T02:00:46.658Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01463774"
    },
    {
      "nct_id": "NCT05917587",
      "title": "Metformin for the Treatment of Microvascular Dysfunction After Gestational Diabetes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Gestational Diabetes"
      ],
      "interventions": [
        {
          "name": "Metformin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Anna Stanhewicz, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2024-09-11",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-05-13",
      "last_synced_at": "2026-09-03T02:00:46.658Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05917587"
    },
    {
      "nct_id": "NCT01476475",
      "title": "Efficacy and Safety of Insulin Glargine/Lixisenatide Fixed Combination Versus Insulin Glargine Alone on Top of Metformin in Type 2 Diabetic Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Insulin glargine /lixisenatide Fixed Ratio Combination",
          "type": "DRUG"
        },
        {
          "name": "Insulin glargine",
          "type": "DRUG"
        },
        {
          "name": "Metformin (Background drug)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 323,
      "start_date": "2011-11",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2017-02-10",
      "last_synced_at": "2026-09-03T02:00:46.658Z",
      "location_count": 14,
      "location_summary": "Little Rock, Arkansas • Paramount, California • Larenceville, Georgia + 11 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Paramount",
          "state": "California"
        },
        {
          "city": "Larenceville",
          "state": "Georgia"
        },
        {
          "city": "Roswell",
          "state": "Georgia"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01476475"
    },
    {
      "nct_id": "NCT00502710",
      "title": "A Study of Dipeptidyl-peptidase IV (DPP-IV) RO4876904 in Patients With Type 2 Diabetes.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diabetes Mellitus Type 2"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "RO4876904",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 289,
      "start_date": "2007-07",
      "completion_date": "2008-04",
      "has_results": false,
      "last_update_posted_date": "2016-08-05",
      "last_synced_at": "2026-09-03T02:00:46.658Z",
      "location_count": 12,
      "location_summary": "Hot Springs, Arkansas • Concord, California • Los Angeles, California + 9 more",
      "locations": [
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Concord",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Avon",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00502710"
    },
    {
      "nct_id": "NCT01664624",
      "title": "Roflumilast Plus Alogliptin Proof-of-Mechanism Study in Type2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "Roflumilast",
          "type": "DRUG"
        },
        {
          "name": "Alogliptin",
          "type": "DRUG"
        },
        {
          "name": "Exenatide",
          "type": "DRUG"
        },
        {
          "name": "Placebo to roflumilast",
          "type": "DRUG"
        },
        {
          "name": "Placebo to alogliptin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "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": 40,
      "start_date": "2012-07",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2017-02-01",
      "last_synced_at": "2026-09-03T02:00:46.658Z",
      "location_count": 2,
      "location_summary": "Chula Vista, California • Orlando, Florida",
      "locations": [
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01664624"
    },
    {
      "nct_id": "NCT00806520",
      "title": "Use of Continuous Glucose Monitoring Combined With Ambulatory Glucose Profiles to Characterize Glycemic Control",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Type 2 Diabetes"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "HealthPartners Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2008-04",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2015-12-02",
      "last_synced_at": "2026-09-03T02:00:46.658Z",
      "location_count": 5,
      "location_summary": "Boston, Massachusetts • Minneapolis, Minnesota • Las Vegas, Nevada + 2 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Spokane",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00806520"
    },
    {
      "nct_id": "NCT01482286",
      "title": "Effect of Weight and Insulin Sensitivity on Reproductive Function in PCOS",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Polycystic Ovary Syndrome"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Dietary Restriction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Exercise Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 40 Years · Female only"
      },
      "enrollment_count": 32,
      "start_date": "2012-05",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2022-03-15",
      "last_synced_at": "2026-09-03T02:00:46.658Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01482286"
    }
  ]
}