{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo%2Bmetformin",
    "query": {
      "intervention": "placebo+metformin"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 421,
    "total_pages": 43,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo%2Bmetformin&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T03:41:24.788Z",
  "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": "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": "2026-09-25T03:41:24.788Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01965756"
    },
    {
      "nct_id": "NCT00694057",
      "title": "Safety, Tolerance and Activity of HE3286 in Patients With Type 2 Diabetes Mellitus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "HE3286",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Harbor Therapeutics",
      "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": 164,
      "start_date": "2008-06",
      "completion_date": "2010-01",
      "has_results": false,
      "last_update_posted_date": "2011-06-14",
      "last_synced_at": "2026-09-25T03:41:24.788Z",
      "location_count": 22,
      "location_summary": "Anaheim, California • Beverly Hills, California • Buena Park, California + 17 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Buena Park",
          "state": "California"
        },
        {
          "city": "Burbank",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00694057"
    },
    {
      "nct_id": "NCT00400231",
      "title": "The Fenofibrate and Metformin for Atherogenic Dyslipidemia (FAMA) Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metabolic Syndrome x"
      ],
      "interventions": [
        {
          "name": "Study drugs: Metformin and fenofibrate",
          "type": "DRUG"
        },
        {
          "name": "Study Drug: Metformin",
          "type": "DRUG"
        },
        {
          "name": "Study Drug: fenofibrate",
          "type": "DRUG"
        },
        {
          "name": "Metformin and Fenofibrate placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 124,
      "start_date": "2005-08",
      "completion_date": "2008-03",
      "has_results": false,
      "last_update_posted_date": "2017-03-20",
      "last_synced_at": "2026-09-25T03:41:24.788Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00400231"
    },
    {
      "nct_id": "NCT05132439",
      "title": "MetfOrmin BenefIts Lower Extremities With Intermittent Claudication",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Intermittent Claudication"
      ],
      "interventions": [
        {
          "name": "Metformin ER",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "35 Years to 89 Years"
      },
      "enrollment_count": 200,
      "start_date": "2022-03-01",
      "completion_date": "2032-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-04-21",
      "last_synced_at": "2026-09-25T03:41:24.788Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05132439"
    },
    {
      "nct_id": "NCT01576328",
      "title": "Safety Study of Mesenchymal Precursor Cells in Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "Mesenchymal Precursor Cells (MPCs)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mesoblast, Ltd.",
      "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": 61,
      "start_date": "2012-04",
      "completion_date": "2015-10",
      "has_results": false,
      "last_update_posted_date": "2020-06-02",
      "last_synced_at": "2026-09-25T03:41:24.788Z",
      "location_count": 18,
      "location_summary": "Garden Grove, California • Miami, Florida • Orlando, Florida + 15 more",
      "locations": [
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01576328"
    },
    {
      "nct_id": "NCT00327015",
      "title": "A Phase 3 Study of BMS-477118 in Combination With Metformin in Subjects With Type 2 Diabetes Who Are Not Controlled With Diet and Exercise",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "Saxagliptin",
          "type": "DRUG"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "pioglitazone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "77 Years",
        "sex": "ALL",
        "summary": "18 Years to 77 Years"
      },
      "enrollment_count": 1306,
      "start_date": "2006-05",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2015-04-29",
      "last_synced_at": "2026-09-25T03:41:24.788Z",
      "location_count": 47,
      "location_summary": "Concord, California • Encinitas, California • Orange, California + 38 more",
      "locations": [
        {
          "city": "Concord",
          "state": "California"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Spring Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00327015"
    },
    {
      "nct_id": "NCT02111096",
      "title": "A Study of LY2409021 in Participants With Type 2 Diabetes Mellitus",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "LY2409021",
          "type": "DRUG"
        },
        {
          "name": "Sitagliptin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Sulfonylurea",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "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": 174,
      "start_date": "2014-04",
      "completion_date": "2015-09",
      "has_results": true,
      "last_update_posted_date": "2019-10-09",
      "last_synced_at": "2026-09-25T03:41:24.788Z",
      "location_count": 26,
      "location_summary": "Concord, California • Fresno, California • Los Angeles, California + 19 more",
      "locations": [
        {
          "city": "Concord",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02111096"
    },
    {
      "nct_id": "NCT04039503",
      "title": "A Study of Tirzepatide (LY3298176) Versus Placebo in Participants With Type 2 Diabetes Inadequately Controlled on Insulin Glargine With or Without Metformin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "Tirzepatide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 475,
      "start_date": "2019-08-30",
      "completion_date": "2021-01-13",
      "has_results": true,
      "last_update_posted_date": "2022-01-12",
      "last_synced_at": "2026-09-25T03:41:24.788Z",
      "location_count": 5,
      "location_summary": "Fresno, California • New Port Richey, Florida • Nashua, New Hampshire + 2 more",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "New Port Richey",
          "state": "Florida"
        },
        {
          "city": "Nashua",
          "state": "New Hampshire"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Norman",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04039503"
    },
    {
      "nct_id": "NCT07520110",
      "title": "Metformin to Attenuate Progressive Respiratory Decline in Idiopathic Pulmonary Fibrosis",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Idiopathic Pulmonary Fibrosis"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Matching Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 800,
      "start_date": "2026-09-28",
      "completion_date": "2029-03-15",
      "has_results": false,
      "last_update_posted_date": "2026-09-08",
      "last_synced_at": "2026-09-25T03:41:24.788Z",
      "location_count": 15,
      "location_summary": "Tucson, Arizona • Aurora, Colorado • Washington D.C., District of Columbia + 11 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07520110"
    },
    {
      "nct_id": "NCT01071850",
      "title": "A Study to Evaluate the Effect of ASP1941 in Adult Patients With Type 2 Diabetes Mellitus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "ipragliflozin",
          "type": "DRUG"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 412,
      "start_date": "2010-03-03",
      "completion_date": "2011-04-11",
      "has_results": false,
      "last_update_posted_date": "2025-05-22",
      "last_synced_at": "2026-09-25T03:41:24.788Z",
      "location_count": 37,
      "location_summary": "Birmingham, Alabama • Haleyville, Alabama • Mesa, Arizona + 33 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Haleyville",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Pine Bluff",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01071850"
    }
  ]
}