{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fasting+oral+glucose+tolerance+test",
    "query": {
      "intervention": "Fasting oral glucose tolerance test"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 43,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fasting+oral+glucose+tolerance+test&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T15:11:43.074Z",
  "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": "NCT04024631",
      "title": "Phenotyping Genetic Risk for Type 2 Diabetes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2",
        "Genetics"
      ],
      "interventions": [
        {
          "name": "75g glucose beverage (Glucola, Trutol, or similar brand)",
          "type": "OTHER"
        },
        {
          "name": "DXA, whole body",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "10 Years to 70 Years"
      },
      "enrollment_count": 100,
      "start_date": "2019-06-17",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-09-30T15:11:43.074Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04024631"
    },
    {
      "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": "2026-09-30T15:11:43.074Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03568630"
    },
    {
      "nct_id": "NCT04386577",
      "title": "Effects of Vitamin D and Omega-3 Supplementation on Telomeres in VITAL",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Aging"
      ],
      "interventions": [
        {
          "name": "Vitamin D3 (cholecalciferol)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "fish oil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "Augusta University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 1054,
      "start_date": "2016-08-19",
      "completion_date": "2021-04-30",
      "has_results": false,
      "last_update_posted_date": "2020-05-13",
      "last_synced_at": "2026-09-30T15:11:43.074Z",
      "location_count": 1,
      "location_summary": "Augusta, Georgia",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04386577"
    },
    {
      "nct_id": "NCT00433173",
      "title": "Insulin Sensitivity in Men With the Metabolic Syndrome",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "intravenous glucose tolerance test",
          "type": "PROCEDURE"
        },
        {
          "name": "testosterone",
          "type": "DRUG"
        },
        {
          "name": "anastrozole",
          "type": "DRUG"
        },
        {
          "name": "goserelin acetate implant",
          "type": "DRUG"
        },
        {
          "name": "aerobic capacity (VO2 Max)",
          "type": "PROCEDURE"
        },
        {
          "name": "MRI",
          "type": "PROCEDURE"
        },
        {
          "name": "muscle biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "measurement of resting metabolic rate (energy expenditure)",
          "type": "PROCEDURE"
        },
        {
          "name": "Dual energy x-ray absorptiometry",
          "type": "PROCEDURE"
        },
        {
          "name": "Fasting oral glucose tolerance test",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "50 Years to 75 Years · Male only"
      },
      "enrollment_count": 72,
      "start_date": "2006-05",
      "completion_date": "2011-03",
      "has_results": false,
      "last_update_posted_date": "2010-03-02",
      "last_synced_at": "2026-09-30T15:11:43.074Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Boston, Massachusetts",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00433173"
    },
    {
      "nct_id": "NCT02309138",
      "title": "Comparison of Two Screening Strategies for Gestational Diabetes (GDM2)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gestational Diabetes",
        "Pregnancy",
        "Glucose Intolerance"
      ],
      "interventions": [
        {
          "name": "Gestational diabetes screening with fasting 3 hour 100 gm",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Gestational diabetes screening with fasting 2 hour 75g",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Esa M Davis, MD MPH FAAFP",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 921,
      "start_date": "2015-08-11",
      "completion_date": "2020-06-05",
      "has_results": true,
      "last_update_posted_date": "2020-07-20",
      "last_synced_at": "2026-09-30T15:11:43.074Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02309138"
    },
    {
      "nct_id": "NCT01409993",
      "title": "Renin-Angiotensin and Fibrinolysis in Humans: Effect of Long-Term PDE5 Inhibition on Glucose Homeostasis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Impaired Glucose Tolerance"
      ],
      "interventions": [
        {
          "name": "Sildenafil",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Hyperglycemic clamp",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Euglycemic clamp",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 78,
      "start_date": "2011-08",
      "completion_date": "2016-11",
      "has_results": true,
      "last_update_posted_date": "2017-04-17",
      "last_synced_at": "2026-09-30T15:11:43.074Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01409993"
    },
    {
      "nct_id": "NCT02282423",
      "title": "PGC-1 & Muscle Mitochondrial Dysfunction in Diabetes",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Pre-study dietary and exercise instruction.",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Screening examination and oral glucose tolerance test",
          "type": "PROCEDURE"
        },
        {
          "name": "Euglycemic clamp",
          "type": "PROCEDURE"
        },
        {
          "name": "VO2max.",
          "type": "PROCEDURE"
        },
        {
          "name": "Acute exercise bout",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Percutaneous needle muscle biopsies",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "30 Years to 59 Years"
      },
      "enrollment_count": 26,
      "start_date": "2014-05",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-05-12",
      "last_synced_at": "2026-09-30T15:11:43.074Z",
      "location_count": 1,
      "location_summary": "Scottsdale, Arizona",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02282423"
    },
    {
      "nct_id": "NCT05568134",
      "title": "Alternate Measures of Glucose During OGTT Testing for CFRD",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cystic Fibrosis",
        "Cystic Fibrosis-related Diabetes"
      ],
      "interventions": [
        {
          "name": "Oral glucose tolerance test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "10 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2023-07-17",
      "completion_date": "2024-12-13",
      "has_results": false,
      "last_update_posted_date": "2025-02-24",
      "last_synced_at": "2026-09-30T15:11:43.074Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05568134"
    },
    {
      "nct_id": "NCT04451980",
      "title": "The HIV, Adipose Tissue Immunology, and Metabolism Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hiv",
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "Subcutaneous adipose tissue biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "CT scan",
          "type": "RADIATION"
        },
        {
          "name": "Oral glucose tolerance test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood collection",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 172,
      "start_date": "2017-08-31",
      "completion_date": "2026-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-09-30T15:11:43.074Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04451980"
    },
    {
      "nct_id": "NCT05388643",
      "title": "Early Detection of Gestational Diabetes Mellitus in Pregnancy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gestational Diabetes Mellitus in Pregnancy",
        "Pregnancy, High Risk"
      ],
      "interventions": [
        {
          "name": "Enhanced First Trimester GDM Screening",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Routine Gestational Diabetes Screening",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 80,
      "start_date": "2025-07-01",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-09-30T15:11:43.074Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05388643"
    }
  ]
}