{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oral+glucose+tolerance+testing+%28OGTT%29&page=4",
    "query": {
      "intervention": "Oral glucose tolerance testing (OGTT)",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 146,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oral+glucose+tolerance+testing+%28OGTT%29&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oral+glucose+tolerance+testing+%28OGTT%29&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T13:09:16.346Z",
  "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": "NCT02894112",
      "title": "Effects of Fluid Milk in Attenuating Hyperglycemia and Hypertriglyceridemia After Meal",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Oral Glucose Tolerance Test",
        "High Fat Tolerance Test"
      ],
      "interventions": [
        {
          "name": "non-fat milk",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "carbohydrate control beverage",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "caloric control beverage",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Texas at Austin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "20 Years to 40 Years"
      },
      "enrollment_count": 30,
      "start_date": "2013-04",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-09-09",
      "last_synced_at": "2026-10-10T13:09:16.346Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02894112"
    },
    {
      "nct_id": "NCT06242847",
      "title": "Role of Insulin Action in Psoriasis Pathogenesis",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Psoriasis",
        "Plaque Psoriasis",
        "Insulin Resistance",
        "PreDiabetes",
        "Overweight and Obesity"
      ],
      "interventions": [
        {
          "name": "Oral glucose tolerance test (OGTT)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Skin punch biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "PROCEDURE"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 10,
      "start_date": "2024-02-02",
      "completion_date": "2025-11-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-10-10T13:09:16.346Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06242847"
    },
    {
      "nct_id": "NCT01967849",
      "title": "Prevalence of Carbohydrate Intolerance in Lean and Overweight/Obese Children",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "Oral Glucose tolerance test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "7 Years to 21 Years"
      },
      "enrollment_count": 2500,
      "start_date": "1999-09",
      "completion_date": "2023-09-18",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-10-10T13:09:16.346Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01967849"
    },
    {
      "nct_id": "NCT02520258",
      "title": "Study of the Reversibility of Glucose Intolerance Caused by Chronic Aspartame Consumption",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glucose Metabolism Disorder"
      ],
      "interventions": [
        {
          "name": "Oral glucose tolerance test (OGTT)",
          "type": "OTHER"
        },
        {
          "name": "Diet soda containing aspartame only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Rockefeller University",
      "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": 75,
      "start_date": "2015-08",
      "completion_date": "2019-06-25",
      "has_results": false,
      "last_update_posted_date": "2020-06-04",
      "last_synced_at": "2026-10-10T13:09:16.346Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02520258"
    },
    {
      "nct_id": "NCT00707616",
      "title": "Common Genetic Variation and Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pre-diabetes"
      ],
      "interventions": [
        {
          "name": "Oral glucose tolerance test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "35 Years to 80 Years"
      },
      "enrollment_count": 190,
      "start_date": "2006-03",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2013-01-23",
      "last_synced_at": "2026-10-10T13:09:16.346Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00707616"
    },
    {
      "nct_id": "NCT02122666",
      "title": "Composition & Function of Sarcoplasmic Reticulum in Persons With the Metabolic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "muscle biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 27,
      "start_date": "2014-03",
      "completion_date": "2024-02-15",
      "has_results": true,
      "last_update_posted_date": "2024-10-26",
      "last_synced_at": "2026-10-10T13:09:16.346Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02122666"
    },
    {
      "nct_id": "NCT06657209",
      "title": "Normal-weight Diabetes: Adipocyte-directed Therapy With Pioglitazone or Tirzepatide",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2",
        "Diabetes",
        "Type 2 Diabetes",
        "Pre Diabetes"
      ],
      "interventions": [
        {
          "name": "Insulin resistance testing",
          "type": "PROCEDURE"
        },
        {
          "name": "OGTT",
          "type": "PROCEDURE"
        },
        {
          "name": "Fat biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "DXA scan",
          "type": "RADIATION"
        },
        {
          "name": "MRI",
          "type": "PROCEDURE"
        },
        {
          "name": "1H-MRS",
          "type": "PROCEDURE"
        },
        {
          "name": "Tirzepatide",
          "type": "DRUG"
        },
        {
          "name": "Pioglitazone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "30 Years to 70 Years"
      },
      "enrollment_count": 104,
      "start_date": "2025-01-13",
      "completion_date": "2027-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-10-10T13:09:16.346Z",
      "location_count": 2,
      "location_summary": "Palo Alto, California • Stanford, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06657209"
    },
    {
      "nct_id": "NCT04089332",
      "title": "Insulin Resistance in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insulin Resistance"
      ],
      "interventions": [
        {
          "name": "Oral Glucose Tolerance Test (OGTT)",
          "type": "OTHER"
        },
        {
          "name": "3 Tesla MRI",
          "type": "DEVICE"
        },
        {
          "name": "Intravenous Catheter",
          "type": "DEVICE"
        },
        {
          "name": "Cognitive Tests",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 23,
      "start_date": "2019-10-04",
      "completion_date": "2022-07-31",
      "has_results": true,
      "last_update_posted_date": "2024-09-05",
      "last_synced_at": "2026-10-10T13:09:16.346Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04089332"
    },
    {
      "nct_id": "NCT02043457",
      "title": "Identification of Phenotypic Factors That Predict Success for Weight Loss and Long-term Weight Maintenance",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "phenotyping",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "15 Years to 75 Years"
      },
      "enrollment_count": 3200,
      "start_date": "2009-08",
      "completion_date": "2030-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-10-10T13:09:16.346Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02043457"
    },
    {
      "nct_id": "NCT07298863",
      "title": "The Effect of Hydration Status on Substrate Oxidation at Rest and During Light and Moderate Exercise",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hydration Status",
        "Substrate Metabolism During Exercise"
      ],
      "interventions": [
        {
          "name": "Part 1 - Exercise Trial",
          "type": "OTHER"
        },
        {
          "name": "Part 1 - Experimental Trial",
          "type": "OTHER"
        },
        {
          "name": "Part 2 - Oral Glucose Tolerance Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "PepsiCo Global R&D",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 104,
      "start_date": "2025-11-05",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-10-10T13:09:16.346Z",
      "location_count": 1,
      "location_summary": "Valhalla, New York",
      "locations": [
        {
          "city": "Valhalla",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07298863"
    }
  ]
}