{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Metformin+vs+Thiazolidinedione+%28Pioglitazone%29",
    "query": {
      "intervention": "Metformin vs Thiazolidinedione (Pioglitazone)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T07:17:57.402Z",
  "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": "NCT05220917",
      "title": "Comparative Effectiveness and Safety of Four Second Line Pharmacological Strategies in Type 2 Diabetes Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiovascular Events",
        "Type2 Diabetes",
        "Renal Disease"
      ],
      "interventions": [
        {
          "name": "SGLT2 inhibitor",
          "type": "DRUG"
        },
        {
          "name": "DPP-4 inhibitor",
          "type": "DRUG"
        },
        {
          "name": "GLP-1RA",
          "type": "DRUG"
        },
        {
          "name": "2nd generation SU",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 781430,
      "start_date": "2021-08-01",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-13",
      "last_synced_at": "2026-10-10T07:17:57.402Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05220917"
    },
    {
      "nct_id": "NCT00402909",
      "title": "Safety and Efficacy of Nateglinide in Patients With Type 2 Diabetes Already Taking Insulin Glargine, Metformin and/or Pioglitazone or Rosiglitazone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "Nateglinide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "78 Years",
        "sex": "ALL",
        "summary": "18 Years to 78 Years"
      },
      "enrollment_count": 28,
      "start_date": "2006-11",
      "completion_date": "2007-08",
      "has_results": false,
      "last_update_posted_date": "2017-02-24",
      "last_synced_at": "2026-10-10T07:17:57.402Z",
      "location_count": 1,
      "location_summary": "East Hanover, New Jersey",
      "locations": [
        {
          "city": "East Hanover",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00402909"
    },
    {
      "nct_id": "NCT00396227",
      "title": "Safety and Efficacy of Vildagliptin vs. Thiazolidinedione as add-on Therapy to Metformin in Patients With Type 2 Diabetes Not Controlled With Metformin Alone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "vildagliptin",
          "type": "DRUG"
        },
        {
          "name": "thiazolidinedione (TZD)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 2665,
      "start_date": "2006-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-11-18",
      "last_synced_at": "2026-10-10T07:17:57.402Z",
      "location_count": 1,
      "location_summary": "East Hanover, New Jersey",
      "locations": [
        {
          "city": "East Hanover",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00396227"
    },
    {
      "nct_id": "NCT00308373",
      "title": "Effects of Fats on Blood Glucose in People With and Without Type 2 Diabetes Mellitus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "Metformin vs Thiazolidinedione (Pioglitazone)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "35 Years to 75 Years"
      },
      "enrollment_count": 73,
      "start_date": "2004-07",
      "completion_date": "2005-11",
      "has_results": false,
      "last_update_posted_date": "2010-01-20",
      "last_synced_at": "2026-10-10T07:17:57.402Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00308373"
    }
  ]
}