{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oral+glucose+tolerance+testing+%28OGTT%29&page=6",
    "query": {
      "intervention": "Oral glucose tolerance testing (OGTT)",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "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=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oral+glucose+tolerance+testing+%28OGTT%29&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-12T22:11:14.872Z",
  "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": "NCT01128829",
      "title": "Sugar-replacement Sweeteners, and Blood Sugar Control",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Water",
          "type": "OTHER"
        },
        {
          "name": "Sucralose",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "21 Years to 40 Years"
      },
      "enrollment_count": 17,
      "start_date": "2010-05",
      "completion_date": "2012-10",
      "has_results": true,
      "last_update_posted_date": "2014-12-22",
      "last_synced_at": "2026-10-12T22:11:14.872Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01128829"
    },
    {
      "nct_id": "NCT01099397",
      "title": "Antihypertensive Medication Exposure as Risk for Impaired Glucose Tolerance: A PEAR Sub-Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prediabetic State"
      ],
      "interventions": [
        {
          "name": "Oral glucose tolerance test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "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": 26,
      "start_date": "2009-05",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2018-04-03",
      "last_synced_at": "2026-10-12T22:11:14.872Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01099397"
    },
    {
      "nct_id": "NCT04222101",
      "title": "Association of Insulin Resistance and FGF21 on Cardiac Function in Pediatric Dilated Cardiomyopathy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiomyopathy, Dilated",
        "Cardiomyopathy, Hypertrophic",
        "Insulin Resistance"
      ],
      "interventions": [
        {
          "name": "Oral glucose tolerance test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Le Bonheur Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "13 Years to 18 Years"
      },
      "enrollment_count": 9,
      "start_date": "2019-10-07",
      "completion_date": "2021-06-30",
      "has_results": false,
      "last_update_posted_date": "2021-12-20",
      "last_synced_at": "2026-10-12T22:11:14.872Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04222101"
    },
    {
      "nct_id": "NCT03568630",
      "title": "Blood Markers of Early Pancreas Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes Mellitus, Type 2",
        "PreDiabetes",
        "Pancreas Cyst",
        "Chronic Pancreatitis",
        "Genetic Predisposition to Disease",
        "Inherited Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 1250,
      "start_date": "2018-07-26",
      "completion_date": "2028-07",
      "has_results": false,
      "last_update_posted_date": "2026-02-02",
      "last_synced_at": "2026-10-12T22:11:14.872Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03568630"
    },
    {
      "nct_id": "NCT04521712",
      "title": "Postpartum Glycemia in Women At Risk for Persistent Hyperglycemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gestational Diabetes"
      ],
      "interventions": [
        {
          "name": "2-hour 75-g oral glucose tolerance test and Dexcom G6 Pro continuous glucose monitor",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2021-09-17",
      "completion_date": "2024-12-10",
      "has_results": false,
      "last_update_posted_date": "2024-12-18",
      "last_synced_at": "2026-10-12T22:11:14.872Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04521712"
    },
    {
      "nct_id": "NCT00670800",
      "title": "Study of Brain Function in Women With Insulin Resistant Polycystic Ovary Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Polycystic Ovary Syndrome"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 40 Years · Female only"
      },
      "enrollment_count": 14,
      "start_date": "2008-01",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2014-05-21",
      "last_synced_at": "2026-10-12T22:11:14.872Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00670800"
    },
    {
      "nct_id": "NCT03961516",
      "title": "Glycemic Characterization and Pancreatic Imaging Correlates in Cystic Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cystic Fibrosis",
        "Cystic Fibrosis-related Diabetes",
        "Cystic Fibrosis Liver Disease",
        "Pancreatic Steatosis",
        "Hepatic Steatosis"
      ],
      "interventions": [
        {
          "name": "Frequently Sampled Oral Glucose Tolerance Test and CGM",
          "type": "DEVICE"
        },
        {
          "name": "MRI Pancreas and Liver",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "RADIATION"
      ],
      "sponsor": "University Hospitals Cleveland Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "6 Years to 40 Years"
      },
      "enrollment_count": 34,
      "start_date": "2019-05-01",
      "completion_date": "2021-08-30",
      "has_results": false,
      "last_update_posted_date": "2022-05-20",
      "last_synced_at": "2026-10-12T22:11:14.872Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03961516"
    },
    {
      "nct_id": "NCT02254317",
      "title": "Dose-dependent Effect of Grape Seed Extract on Glucose Control in People With Impaired Glucose Tolerance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Impaired Glucose Tolerance"
      ],
      "interventions": [
        {
          "name": "0 mg placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "300 mg GSE",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "600 mg GSE",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "900 mg GSE",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Clinical Nutrition Research Center, Illinois Institute of Technology",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "40 Years to 65 Years"
      },
      "enrollment_count": 16,
      "start_date": "2014-09-15",
      "completion_date": "2015-07-01",
      "has_results": false,
      "last_update_posted_date": "2021-01-28",
      "last_synced_at": "2026-10-12T22:11:14.872Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02254317"
    },
    {
      "nct_id": "NCT01879033",
      "title": "Endothelial Function in Obese Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insulin Resistance",
        "Glucose Intolerance",
        "Obesity",
        "Atherosclerosis"
      ],
      "interventions": [
        {
          "name": "Reactive hyperemia peripheral artery tonometry (Rh-PAT)",
          "type": "OTHER"
        },
        {
          "name": "Blood levels for glucose, insulin, lipids and adipocytokines",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Montefiore Medical Center",
      "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": 60,
      "start_date": "2011-03",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2019-01-22",
      "last_synced_at": "2026-10-12T22:11:14.872Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01879033"
    },
    {
      "nct_id": "NCT00876928",
      "title": "Vitamin D in Minorities With Prediabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pre-diabetes"
      ],
      "interventions": [
        {
          "name": "vitamin D",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Charles Drew University of Medicine and Science",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 117,
      "start_date": "2009-03",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2013-06-14",
      "last_synced_at": "2026-10-12T22:11:14.872Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00876928"
    }
  ]
}