{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+matching+Metformin&page=3",
    "query": {
      "intervention": "Placebo matching Metformin",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 142,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+matching+Metformin&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+matching+Metformin&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T15:11:15.895Z",
  "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": "NCT06042855",
      "title": "ACTIV-6: COVID-19 Study of Repurposed Medications - Arm G (Metformin)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Susanna Naggie, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 3214,
      "start_date": "2023-09-05",
      "completion_date": "2024-11-04",
      "has_results": true,
      "last_update_posted_date": "2025-11-18",
      "last_synced_at": "2026-10-02T15:11:15.895Z",
      "location_count": 110,
      "location_summary": "Chandler, Arizona • Gilbert, Arizona • Mesa, Arizona + 96 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06042855"
    },
    {
      "nct_id": "NCT00996658",
      "title": "Linagliptin Versus Placebo in Type 2 Diabetic Patients With Inadequate Glycaemic Control on Metformin in Combination With Pioglitazone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Linagliptin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 278,
      "start_date": "2009-10",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2014-03-26",
      "last_synced_at": "2026-10-02T15:11:15.895Z",
      "location_count": 29,
      "location_summary": "Escondido, California • Greenbrae, California • Los Angeles, California + 25 more",
      "locations": [
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "Greenbrae",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Paramount",
          "state": "California"
        },
        {
          "city": "Poway",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00996658"
    },
    {
      "nct_id": "NCT03331861",
      "title": "Metformin in Heart Failure Without Diabetes",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Metformin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 6,
      "start_date": "2019-02-15",
      "completion_date": "2021-08-20",
      "has_results": true,
      "last_update_posted_date": "2024-07-18",
      "last_synced_at": "2026-10-02T15:11:15.895Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03331861"
    },
    {
      "nct_id": "NCT03279263",
      "title": "An Add-on Study of MLR-1023 in Adults With Uncontrolled Type 2 Diabetes on Metformin Therapy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "MLR-1023",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Melior Pharmaceuticals",
      "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": 400,
      "start_date": "2017-09-01",
      "completion_date": "2019-09",
      "has_results": false,
      "last_update_posted_date": "2019-01-09",
      "last_synced_at": "2026-10-02T15:11:15.895Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03279263"
    },
    {
      "nct_id": "NCT00760344",
      "title": "Efficacy and Safety of SYR-472 in Subjects With Type 2 Diabetes Mellitus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "SYR-472",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Sitagliptin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "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": 386,
      "start_date": "2007-03",
      "completion_date": "2008-03",
      "has_results": false,
      "last_update_posted_date": "2016-06-22",
      "last_synced_at": "2026-10-02T15:11:15.895Z",
      "location_count": 105,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Montgomery, Alabama + 102 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00760344"
    },
    {
      "nct_id": "NCT02020616",
      "title": "A Study of the Safety and Effectiveness of LY3053102 in Participants With Type 2 Diabetes",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "LY3053102",
          "type": "DRUG"
        },
        {
          "name": "Exenatide ER",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2013-12",
      "completion_date": "2015-02",
      "has_results": true,
      "last_update_posted_date": "2019-10-08",
      "last_synced_at": "2026-10-02T15:11:15.895Z",
      "location_count": 5,
      "location_summary": "Orange, California • Miami, Florida • Orlando, Florida + 2 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02020616"
    },
    {
      "nct_id": "NCT04979130",
      "title": "Comparing Semaglutide Versus Placebo on Intestinal Barrier Function in Type 2 Diabetes Mellitus (SIB)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Type 2 Diabetes",
        "Chronic Inflammation",
        "Intestinal Permeability"
      ],
      "interventions": [
        {
          "name": "Semaglutide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 69,
      "start_date": "2022-01-01",
      "completion_date": "2024-10-16",
      "has_results": false,
      "last_update_posted_date": "2025-03-20",
      "last_synced_at": "2026-10-02T15:11:15.895Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04979130"
    },
    {
      "nct_id": "NCT01825798",
      "title": "Treatment of Overweight Induced by Antipsychotic Medication in Young People With Autism Spectrum Disorders (ASD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Overweight",
        "Autism Spectrum Disorder"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Holland Bloorview Kids Rehabilitation Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 60,
      "start_date": "2013-04",
      "completion_date": "2015-10",
      "has_results": true,
      "last_update_posted_date": "2025-07-16",
      "last_synced_at": "2026-10-02T15:11:15.895Z",
      "location_count": 3,
      "location_summary": "Columbus, Ohio • Pittsburgh, Pennsylvania • Nashville, Tennessee",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01825798"
    },
    {
      "nct_id": "NCT03332771",
      "title": "Efficacy and Safety of Sotagliflozin Versus Glimepiride and Placebo in Participants With Type 2 Diabetes Mellitus That Are Taking Metformin Monotherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Sotagliflozin (SAR439954)",
          "type": "DRUG"
        },
        {
          "name": "Glimepiride",
          "type": "DRUG"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lexicon Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 954,
      "start_date": "2017-12-01",
      "completion_date": "2019-09-06",
      "has_results": true,
      "last_update_posted_date": "2021-05-11",
      "last_synced_at": "2026-10-02T15:11:15.895Z",
      "location_count": 115,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Anaheim, California + 101 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Canoga Park",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03332771"
    },
    {
      "nct_id": "NCT00951899",
      "title": "The Effect of Welchol on Glucose Metabolism in Type 2 Diabetics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "Colesevelam",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "35 Years to 70 Years"
      },
      "enrollment_count": 38,
      "start_date": "2009-08",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2013-11-11",
      "last_synced_at": "2026-10-02T15:11:15.895Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00951899"
    }
  ]
}