{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=glucophage+XR",
    "query": {
      "intervention": "glucophage XR"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 248,
    "total_pages": 25,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=glucophage+XR&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T04:07:07.505Z",
  "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": "NCT04850846",
      "title": "Investigation of Metformin for the Prevention of Progression of Precursor Multiple Myeloma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Monoclonal Gammopathy of Undetermined Significance",
        "Smoldering Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Metformin XR",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2021-04-27",
      "completion_date": "2027-07-31",
      "has_results": true,
      "last_update_posted_date": "2026-02-09",
      "last_synced_at": "2026-10-05T04:07:07.505Z",
      "location_count": 7,
      "location_summary": "Boston, Massachusetts • Brighton, Massachusetts • Methuen, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Brighton",
          "state": "Massachusetts"
        },
        {
          "city": "Methuen",
          "state": "Massachusetts"
        },
        {
          "city": "Milford",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04850846"
    },
    {
      "nct_id": "NCT01409395",
      "title": "Drug-Drug Interaction Study With Metformin and Nizatidine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Metformin and nizatidine",
          "type": "DRUG"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 10,
      "start_date": "2011-09",
      "completion_date": "2013-03",
      "has_results": false,
      "last_update_posted_date": "2014-04-10",
      "last_synced_at": "2026-10-05T04:07:07.505Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01409395"
    },
    {
      "nct_id": "NCT00864669",
      "title": "A Relative Bioavailability Study of Metformin HCl 500 mg ER Tablets Under Non-fasting Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Metformin HCl 500 mg tablets, single dose",
          "type": "DRUG"
        },
        {
          "name": "CLUCOPHAGE® XR 500 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": 32,
      "start_date": "2002-03",
      "completion_date": "2002-03",
      "has_results": false,
      "last_update_posted_date": "2010-08-17",
      "last_synced_at": "2026-10-05T04:07:07.505Z",
      "location_count": 1,
      "location_summary": "Fargo, North Dakota",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00864669"
    },
    {
      "nct_id": "NCT02552355",
      "title": "Milk Protein Feeding After Aerobic Exercise in Older Adults With Pre-diabetes Taking the Biguanide Metformin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Physical Activity"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Carbohydrate Beverage",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Protein Beverage",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Colorado State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2015-08",
      "completion_date": "2017-08",
      "has_results": true,
      "last_update_posted_date": "2019-04-30",
      "last_synced_at": "2026-10-05T04:07:07.505Z",
      "location_count": 1,
      "location_summary": "Fort Collins, Colorado",
      "locations": [
        {
          "city": "Fort Collins",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02552355"
    },
    {
      "nct_id": "NCT03467763",
      "title": "Trial of an Intervention to Improve Metformin Persistence and Adherence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Metformin Adverse Reaction",
        "Tolerance"
      ],
      "interventions": [
        {
          "name": "Metformin Extended Release Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 13,
      "start_date": "2018-02-09",
      "completion_date": "2020-08-01",
      "has_results": true,
      "last_update_posted_date": "2020-12-07",
      "last_synced_at": "2026-10-05T04:07:07.505Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03467763"
    },
    {
      "nct_id": "NCT02531308",
      "title": "Metformin in Combination With Standard Induction Therapy for Large B-cell Lymphoma (DLBCL)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diffuse Large B-Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Vincristine",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "pegfilgrastim",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2015-07",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2022-09-28",
      "last_synced_at": "2026-10-05T04:07:07.505Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02531308"
    },
    {
      "nct_id": "NCT01681693",
      "title": "Effect of Genetic Variants in MATE1 and OCT3 on the Pharmacodynamics of Metformin in African Americans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy",
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2010-02",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2014-10-23",
      "last_synced_at": "2026-10-05T04:07:07.505Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01681693"
    },
    {
      "nct_id": "NCT06246799",
      "title": "Comparative Effectiveness of Two Initial Combination Therapies in Patients With Recent Onset Diabetes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Type 2 Diabetes (Adult Onset)"
      ],
      "interventions": [
        {
          "name": "Tirzepatide",
          "type": "DRUG"
        },
        {
          "name": "Pioglitazone",
          "type": "DRUG"
        },
        {
          "name": "Sitagliptin",
          "type": "DRUG"
        },
        {
          "name": "Metformin HCI XR",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "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": 256,
      "start_date": "2024-11-07",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-10-05T04:07:07.505Z",
      "location_count": 2,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06246799"
    },
    {
      "nct_id": "NCT04055012",
      "title": "Effects of Metformin on Low Back Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gwendolyn Sowa",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2020-01-07",
      "completion_date": "2023-12-15",
      "has_results": true,
      "last_update_posted_date": "2025-02-21",
      "last_synced_at": "2026-10-05T04:07:07.505Z",
      "location_count": 2,
      "location_summary": "Pittsburgh, Pennsylvania • Wexford, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Wexford",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04055012"
    },
    {
      "nct_id": "NCT05981365",
      "title": "Voxelotor CYP and Transporter Cocktail Interaction Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Voxelotor",
          "type": "DRUG"
        },
        {
          "name": "Bupropion",
          "type": "DRUG"
        },
        {
          "name": "Repaglinide",
          "type": "DRUG"
        },
        {
          "name": "Flurbiprofen",
          "type": "DRUG"
        },
        {
          "name": "Omeprazole",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Furosemide",
          "type": "DRUG"
        },
        {
          "name": "Rosuvastatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "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": 44,
      "start_date": "2023-04-17",
      "completion_date": "2023-10-04",
      "has_results": true,
      "last_update_posted_date": "2024-11-22",
      "last_synced_at": "2026-10-05T04:07:07.505Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05981365"
    }
  ]
}