{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Stable+isotope+tracer+study&page=2",
    "query": {
      "intervention": "Stable isotope tracer study",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 28,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Stable+isotope+tracer+study&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Stable+isotope+tracer+study&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T23:39:24.362Z",
  "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": "NCT07194993",
      "title": "PKU Protein Requirements",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PKU"
      ],
      "interventions": [
        {
          "name": "Nonradioactive stable oral isotope",
          "type": "OTHER"
        },
        {
          "name": "Test diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2026-02-16",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-09-30T23:39:24.362Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07194993"
    },
    {
      "nct_id": "NCT01818011",
      "title": "A Three-part Study to Determine the Safety, Tolerability and Pharmacokinetics of GSK1322322 in Healthy Volunteers and Healthy Male Japanese Subjects",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Infections, Bacterial"
      ],
      "interventions": [
        {
          "name": "GSK1322322 Initial fit for purpose tablets",
          "type": "DRUG"
        },
        {
          "name": "GSK1322322 over granulated tablets",
          "type": "DRUG"
        },
        {
          "name": "GSK1322322 intended commercial tablets",
          "type": "DRUG"
        },
        {
          "name": "Placebo tablets",
          "type": "DRUG"
        },
        {
          "name": "13C-GSK1322322 stable isotope powder",
          "type": "DRUG"
        },
        {
          "name": "GSK1322322 for injection",
          "type": "DRUG"
        },
        {
          "name": "Placebo injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 12,
      "start_date": "2013-08-07",
      "completion_date": "2013-10-18",
      "has_results": false,
      "last_update_posted_date": "2019-01-15",
      "last_synced_at": "2026-09-30T23:39:24.362Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01818011"
    },
    {
      "nct_id": "NCT00181753",
      "title": "Study of Glutamate and Glutamine Metabolism in Burn Patients Receiving Enteral or Parenteral Nutrition",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Burns"
      ],
      "interventions": [
        {
          "name": "standard vs. glutamine enteral or parenteral feeding.",
          "type": "DRUG"
        },
        {
          "name": "Stable isotope tracer study",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Stable isotope study",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2009-11",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2017-01-13",
      "last_synced_at": "2026-09-30T23:39:24.362Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00181753"
    },
    {
      "nct_id": "NCT06855628",
      "title": "Assessment of Novel Metabolic Imaging Modalities as A Predictor Of Therapeutic EfficacyiIn Glioblastoma (GBM)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Glioma",
        "GBM"
      ],
      "interventions": [
        {
          "name": "[6,6-²H₂]-Glucose",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2025-01-30",
      "completion_date": "2026-07-13",
      "has_results": false,
      "last_update_posted_date": "2026-09-30",
      "last_synced_at": "2026-09-30T23:39:24.362Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06855628"
    },
    {
      "nct_id": "NCT02065817",
      "title": "Dose of Labeled Cholesterol for Kinetics: A Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lipid Metabolism"
      ],
      "interventions": [
        {
          "name": "stable isotope of cholesterol",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "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": 7,
      "start_date": "2014-02",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-01-07",
      "last_synced_at": "2026-09-30T23:39:24.362Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02065817"
    },
    {
      "nct_id": "NCT00673309",
      "title": "Assessment of Mechanisms of Improved Wound Healing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Burns"
      ],
      "interventions": [
        {
          "name": "Stable Isotope Infusion study",
          "type": "PROCEDURE"
        },
        {
          "name": "Insulin High Dose",
          "type": "DRUG"
        },
        {
          "name": "oxandrolone",
          "type": "DRUG"
        },
        {
          "name": "Propranolol",
          "type": "DRUG"
        },
        {
          "name": "Growth Hormone",
          "type": "DRUG"
        },
        {
          "name": "Insulin Low Dose",
          "type": "DRUG"
        },
        {
          "name": "IGF-1/IGFBP-3",
          "type": "DRUG"
        },
        {
          "name": "Itraconazole",
          "type": "DRUG"
        },
        {
          "name": "Growth Hormone and Propranolol",
          "type": "DRUG"
        },
        {
          "name": "Oxandrolone and Propranolol",
          "type": "DRUG"
        },
        {
          "name": "Placebo or Control",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "The University of Texas Medical Branch, Galveston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "Up to 90 Years"
      },
      "enrollment_count": 644,
      "start_date": "2000-07",
      "completion_date": "2013-04",
      "has_results": true,
      "last_update_posted_date": "2023-07-03",
      "last_synced_at": "2026-09-30T23:39:24.362Z",
      "location_count": 1,
      "location_summary": "Galveston, Texas",
      "locations": [
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00673309"
    },
    {
      "nct_id": "NCT06105931",
      "title": "Physiologic Markers of Cardiometabolic Risk in People With Type 1 Diabetes",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "type1diabetes",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Hyperinsulinemic-euglycemic clamp",
          "type": "BIOLOGICAL"
        },
        {
          "name": "High Fat Mixed Meal Tolerance Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 15,
      "start_date": "2023-12-13",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-07-23",
      "last_synced_at": "2026-09-30T23:39:24.362Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06105931"
    },
    {
      "nct_id": "NCT06126354",
      "title": "Dexamethasone/Pancreatic Clamp P&F",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Insulin Resistance",
        "Prediabetic State",
        "Non-Alcoholic Fatty Liver Disease",
        "Overweight and Obesity"
      ],
      "interventions": [
        {
          "name": "Insulin human",
          "type": "DRUG"
        },
        {
          "name": "Octreotide Acetate",
          "type": "DRUG"
        },
        {
          "name": "Glucagon",
          "type": "DRUG"
        },
        {
          "name": "Human Growth Hormone",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone Oral",
          "type": "DRUG"
        },
        {
          "name": "[6,6-2H2] D-glucose",
          "type": "OTHER"
        },
        {
          "name": "20% D-glucose (aq)",
          "type": "DRUG"
        },
        {
          "name": "BOOST Plus",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Harvard Apparatus PHD ULTRA CP syringe pump",
          "type": "DEVICE"
        },
        {
          "name": "Yellow Springs Instruments (YSI) 2500 Biochemistry Glucose/Lactate Analyzer",
          "type": "DEVICE"
        },
        {
          "name": "Normal saline",
          "type": "OTHER"
        },
        {
          "name": "Human albumin",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "DIETARY_SUPPLEMENT",
        "DEVICE"
      ],
      "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": 0,
      "start_date": "2024-07-01",
      "completion_date": "2026-03-31",
      "has_results": false,
      "last_update_posted_date": "2024-07-10",
      "last_synced_at": "2026-09-30T23:39:24.362Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06126354"
    },
    {
      "nct_id": "NCT00001651",
      "title": "Use of Labeled Glucose to Study Lymphocyte Replication and Survival in HIV-Infected Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV",
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "[6,6-2H2]-glucose",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "1998-02-25",
      "completion_date": "2020-05-29",
      "has_results": false,
      "last_update_posted_date": "2020-06-01",
      "last_synced_at": "2026-09-30T23:39:24.362Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001651"
    },
    {
      "nct_id": "NCT06602141",
      "title": "Assessments of Adipogenesis, Lipid Turnover and Cellular Composition in Adipose Tissue in Response to Endurance Exercise",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Muscle Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Adipose Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Glucose Clamp",
          "type": "OTHER"
        },
        {
          "name": "Accelerometer",
          "type": "OTHER"
        },
        {
          "name": "Endurance Exercise",
          "type": "OTHER"
        },
        {
          "name": "Physical activity/ dietary habits",
          "type": "OTHER"
        },
        {
          "name": "Heavy Water Labeling Period",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": 70,
      "start_date": "2024-09-11",
      "completion_date": "2029-04",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-09-30T23:39:24.362Z",
      "location_count": 2,
      "location_summary": "Orlando, Florida • Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06602141"
    }
  ]
}