{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Metformin+Placebo&page=2",
    "query": {
      "intervention": "Metformin Placebo",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 421,
    "total_pages": 43,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Metformin+Placebo&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Metformin+Placebo&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-01T17:19:53.939Z",
  "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": "NCT00900146",
      "title": "Dose Finding, Safety and Efficacy of Monthly Subcutaneous Canakinumab Administration in Metformin Monotherapy Treated Type 2 Diabetic Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "Canakinumab",
          "type": "DRUG"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "18 Years to 74 Years"
      },
      "enrollment_count": 556,
      "start_date": "2009-04",
      "completion_date": "2010-11",
      "has_results": true,
      "last_update_posted_date": "2012-02-20",
      "last_synced_at": "2026-10-01T17:19:53.939Z",
      "location_count": 18,
      "location_summary": "Phoenix, Arizona • La Jolla, California • Los Gatos, California + 15 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Gatos",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Tustin",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00900146"
    },
    {
      "nct_id": "NCT01965756",
      "title": "Effect of Insulin Sensitizer Metformin on AD Biomarkers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alzheimer's Disease",
        "Vascular Dementia",
        "Dementia",
        "Memory Impairment"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "55 Years to 80 Years"
      },
      "enrollment_count": 20,
      "start_date": "2013-01",
      "completion_date": "2017-04",
      "has_results": true,
      "last_update_posted_date": "2017-09-21",
      "last_synced_at": "2026-10-01T17:19:53.939Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01965756"
    },
    {
      "nct_id": "NCT02430870",
      "title": "TAK-648 Multiple-Rising Dose Study in Healthy Japanese Participants and Non-Japanese Participants With Type 2 Diabetes Mellitus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "TAK-648",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "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": 48,
      "start_date": "2015-04",
      "completion_date": "2015-11",
      "has_results": true,
      "last_update_posted_date": "2016-08-31",
      "last_synced_at": "2026-10-01T17:19:53.939Z",
      "location_count": 2,
      "location_summary": "Anaheim, California • Chula Vista, California",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02430870"
    },
    {
      "nct_id": "NCT01691846",
      "title": "A Study of Aleglitazar in Combination With Metformin in Patients With Type 2 Diabetes Mellitus Who Are Inadequately Controlled With Metformin Alone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Diabetes Mellitus Type 2"
      ],
      "interventions": [
        {
          "name": "aleglitazar+metformin",
          "type": "DRUG"
        },
        {
          "name": "placebo+metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2012-10",
      "completion_date": "2013-09",
      "has_results": false,
      "last_update_posted_date": "2017-02-23",
      "last_synced_at": "2026-10-01T17:19:53.939Z",
      "location_count": 22,
      "location_summary": "Chino, California • Hawaiian Gardens, California • Los Angeles, California + 19 more",
      "locations": [
        {
          "city": "Chino",
          "state": "California"
        },
        {
          "city": "Hawaiian Gardens",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Santa Ana",
          "state": "California"
        },
        {
          "city": "Thousand Oaks",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01691846"
    },
    {
      "nct_id": "NCT01475461",
      "title": "Phase 2 Study To Evaluate Safety And Efficacy Of Investigational Drug - PF04937319 In Patients With Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "PF-04937319 - 3mg",
          "type": "DRUG"
        },
        {
          "name": "PF-04937319 - 20mg",
          "type": "DRUG"
        },
        {
          "name": "PF-04937319 - 50mg",
          "type": "DRUG"
        },
        {
          "name": "PF-04937319 - 100mg",
          "type": "DRUG"
        },
        {
          "name": "Sitagliptin - 100mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 345,
      "start_date": "2011-11",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2017-01-31",
      "last_synced_at": "2026-10-01T17:19:53.939Z",
      "location_count": 24,
      "location_summary": "Anaheim, California • Los Angeles, California • Spring Valley, California + 18 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Spring Valley",
          "state": "California"
        },
        {
          "city": "Belleview",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01475461"
    },
    {
      "nct_id": "NCT00110851",
      "title": "Safety and Efficacy Study of PN2034 in Type 2 Diabetes Patients on Concomitant Rosiglitazone and Metformin (or Avandamet)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "rosiglitazone",
          "type": "DRUG"
        },
        {
          "name": "metformin",
          "type": "DRUG"
        },
        {
          "name": "PN2034",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wellstat Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "72 Years",
        "sex": "ALL",
        "summary": "21 Years to 72 Years"
      },
      "enrollment_count": 90,
      "start_date": "2005-04",
      "completion_date": "2007-08",
      "has_results": false,
      "last_update_posted_date": "2007-08-23",
      "last_synced_at": "2026-10-01T17:19:53.939Z",
      "location_count": 20,
      "location_summary": "Waterbury, Connecticut • DeLand, Florida • Hollywood, Florida + 16 more",
      "locations": [
        {
          "city": "Waterbury",
          "state": "Connecticut"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Longwood",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00110851"
    },
    {
      "nct_id": "NCT02653599",
      "title": "A Study to Evaluate Safety and Efficacy of TTP273 for 12 Weeks in Subjects With Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "TTP273",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "vTv Therapeutics",
      "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": 174,
      "start_date": "2015-12",
      "completion_date": "2017-01",
      "has_results": false,
      "last_update_posted_date": "2017-02-10",
      "last_synced_at": "2026-10-01T17:19:53.939Z",
      "location_count": 30,
      "location_summary": "Costa Mesa, California • Encino, California • Huntington Park, California + 25 more",
      "locations": [
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "Huntington Park",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02653599"
    },
    {
      "nct_id": "NCT03309007",
      "title": "A Double-Blind, Placebo-Controlled Trial of Anti-Aging, Pro-Autophagy Effects of Metformin in Adults With Prediabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "PreDiabetes",
        "Aging"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "30 Years to 70 Years"
      },
      "enrollment_count": 25,
      "start_date": "2017-09-01",
      "completion_date": "2020-08-20",
      "has_results": true,
      "last_update_posted_date": "2023-12-11",
      "last_synced_at": "2026-10-01T17:19:53.939Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03309007"
    },
    {
      "nct_id": "NCT02463357",
      "title": "Three New Ideas to Protect Special Forces From the Stress of High Altitude",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Mountain Sickness"
      ],
      "interventions": [
        {
          "name": "Quercetin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Nifedipine extended release",
          "type": "DRUG"
        },
        {
          "name": "Methazolamide",
          "type": "DRUG"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Nitrite",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "MALE",
        "summary": "18 Years to 30 Years · Male only"
      },
      "enrollment_count": 148,
      "start_date": "2015-08",
      "completion_date": "2016-09",
      "has_results": true,
      "last_update_posted_date": "2021-03-30",
      "last_synced_at": "2026-10-01T17:19:53.939Z",
      "location_count": 1,
      "location_summary": "Alma, Michigan",
      "locations": [
        {
          "city": "Alma",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02463357"
    },
    {
      "nct_id": "NCT01111955",
      "title": "Safety Study of BMS-823778 in Subjects With Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "BMS-823778",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "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": 62,
      "start_date": "2010-07",
      "completion_date": "2011-01",
      "has_results": false,
      "last_update_posted_date": "2015-10-12",
      "last_synced_at": "2026-10-01T17:19:53.939Z",
      "location_count": 3,
      "location_summary": "Hialeah, Florida • Olympia, Washington • Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Olympia",
          "state": "Washington"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01111955"
    }
  ]
}