{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oral+Glucose+Tolerance+Testing&page=3",
    "query": {
      "intervention": "Oral Glucose Tolerance Testing",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 167,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oral+Glucose+Tolerance+Testing&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oral+Glucose+Tolerance+Testing&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T15:58:19.803Z",
  "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": "NCT03032640",
      "title": "Interactions of Human Gut Microbiota With Intestinal Sweet Taste Receptors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Oral Glucose Tolerance Test (OGTT)",
          "type": "OTHER"
        },
        {
          "name": "Assessment of dietary compliance",
          "type": "OTHER"
        },
        {
          "name": "Stool sampling",
          "type": "OTHER"
        },
        {
          "name": "Sodium Saccharin",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Lactisole",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "AdventHealth Translational Research Institute",
      "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": 102,
      "start_date": "2017-01-26",
      "completion_date": "2022-10-18",
      "has_results": false,
      "last_update_posted_date": "2023-02-02",
      "last_synced_at": "2026-10-04T15:58:19.803Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03032640"
    },
    {
      "nct_id": "NCT01988987",
      "title": "Evaluating for Type-2 Diabetes in the Very Early Postpartum Period",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes, Gestational",
        "Prediabetic State",
        "Glucose Metabolism Disorders",
        "Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Inpatient Postpartum GTT",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "NYU Langone Health",
      "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": 123,
      "start_date": "2013-02-22",
      "completion_date": "2018-11-30",
      "has_results": false,
      "last_update_posted_date": "2020-01-28",
      "last_synced_at": "2026-10-04T15:58:19.803Z",
      "location_count": 1,
      "location_summary": "Mineola, New York",
      "locations": [
        {
          "city": "Mineola",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01988987"
    },
    {
      "nct_id": "NCT07020741",
      "title": "Stable Isotopes- Adults With Obesity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obese Patients (BMI ≥ 30 kg/m²)",
        "Glucose Metabolism",
        "Protein Metabolism"
      ],
      "interventions": [
        {
          "name": "Indispensable Amino Acid Oxidation",
          "type": "PROCEDURE"
        },
        {
          "name": "Stable Isotope Oral Glucose Tolerance Test",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "19 Years to 59 Years"
      },
      "enrollment_count": 8,
      "start_date": "2025-09-12",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-10-04T15:58:19.803Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07020741"
    },
    {
      "nct_id": "NCT01879059",
      "title": "The Effects of Altering Physical Activity on Cardiometabolic Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insulin Resistance"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "19 Years to 35 Years"
      },
      "enrollment_count": 13,
      "start_date": "2012-03",
      "completion_date": "2014-10",
      "has_results": true,
      "last_update_posted_date": "2016-02-08",
      "last_synced_at": "2026-10-04T15:58:19.803Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01879059"
    },
    {
      "nct_id": "NCT05087823",
      "title": "The Mixed Meal Challenge Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "Hyperlipidemias"
      ],
      "interventions": [
        {
          "name": "Lipid Challenge",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Glucose Challenge",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Mixed Meal Challenge",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 11,
      "start_date": "2021-11-02",
      "completion_date": "2022-05-19",
      "has_results": false,
      "last_update_posted_date": "2023-05-01",
      "last_synced_at": "2026-10-04T15:58:19.803Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05087823"
    },
    {
      "nct_id": "NCT04956263",
      "title": "A Comparison of Postprandial Glucose After a MMTT, and the Metabolic Effects of Insulin Withdrawal in a Crossover Study in Subjects With Type 1 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diabetes",
        "Diabetes Mellitus, Type 1",
        "Type1diabetes",
        "Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "YG1699",
          "type": "DRUG"
        },
        {
          "name": "Dapagliflozin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Youngene Therapeutics Inc., Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 19,
      "start_date": "2021-06-17",
      "completion_date": "2022-07-19",
      "has_results": false,
      "last_update_posted_date": "2022-07-28",
      "last_synced_at": "2026-10-04T15:58:19.803Z",
      "location_count": 1,
      "location_summary": "Chula Vista, California",
      "locations": [
        {
          "city": "Chula Vista",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04956263"
    },
    {
      "nct_id": "NCT06016478",
      "title": "The Effect of 4 Weeks of L-Citrulline Supplementation on Macro- and Microvascular Function in Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "L-citrulline",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Texas Tech University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 36,
      "start_date": "2023-05-01",
      "completion_date": "2024-07-01",
      "has_results": false,
      "last_update_posted_date": "2025-05-15",
      "last_synced_at": "2026-10-04T15:58:19.803Z",
      "location_count": 1,
      "location_summary": "Lubbock, Texas",
      "locations": [
        {
          "city": "Lubbock",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06016478"
    },
    {
      "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": "2026-10-04T15:58:19.803Z",
      "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": "NCT04128488",
      "title": "Effects of Gender-Affirming Hormone Therapy Among Transgender Women",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Transgender Women",
        "HIV/AIDS",
        "Cardiovascular Diseases",
        "Metabolic Disease",
        "Coagulopathy"
      ],
      "interventions": [
        {
          "name": "Abdominal MR Imaging",
          "type": "OTHER"
        },
        {
          "name": "Cardiac MRI/MRS",
          "type": "OTHER"
        },
        {
          "name": "Oral Glucose Tolerance Testing",
          "type": "OTHER"
        },
        {
          "name": "Whole Body, Lumbar Spine, and Hip DEXA Imaging",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "99 Years",
        "sex": "MALE",
        "summary": "16 Years to 99 Years · Male only"
      },
      "enrollment_count": 33,
      "start_date": "2019-11-01",
      "completion_date": "2024-03-28",
      "has_results": false,
      "last_update_posted_date": "2025-05-18",
      "last_synced_at": "2026-10-04T15:58:19.803Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04128488"
    },
    {
      "nct_id": "NCT04615546",
      "title": "Role of Nutrient Transit in Hyperinsulinemic Hypoglycemia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-Bariatric Hypoglycemia"
      ],
      "interventions": [
        {
          "name": "Use of Continuous Glucose Monitor (CGM)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Use of \"Cardea Solo\" monitoring",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2020-05-06",
      "completion_date": "2026-06",
      "has_results": false,
      "last_update_posted_date": "2024-12-04",
      "last_synced_at": "2026-10-04T15:58:19.803Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04615546"
    }
  ]
}