{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Stable+isotope+tracer+study",
    "query": {
      "intervention": "Stable isotope tracer study"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "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=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-12T09:06:48.365Z",
  "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": "NCT02751294",
      "title": "A Study to Assess the Effects of Dissolution Profile on the Pharmacokinetics of Single Oral Doses of Tafenoquine Tablets and Tafenoquine Stable Isotope Labelled Solution",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Malaria, Vivax"
      ],
      "interventions": [
        {
          "name": "Tafenoquine Control",
          "type": "DRUG"
        },
        {
          "name": "Tafenoquine dissolution profile X",
          "type": "DRUG"
        },
        {
          "name": "Tafenoquine SIL",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "18 Years to 55 Years · Male only"
      },
      "enrollment_count": 14,
      "start_date": "2016-05",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2017-01-20",
      "last_synced_at": "2026-09-12T09:06:48.365Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02751294"
    },
    {
      "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": "2026-09-12T09:06:48.365Z",
      "location_count": 1,
      "location_summary": "Galveston, Texas",
      "locations": [
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00673309"
    },
    {
      "nct_id": "NCT07510607",
      "title": "Hyperpolarized Carbon Metabolic Imaging in Multiple Sclerosis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Sclerosis",
        "RRMS",
        "Relapsing Remitting MS"
      ],
      "interventions": [
        {
          "name": "HP 13C pyruvate injection",
          "type": "DRUG"
        },
        {
          "name": "MRI Scanner",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Ari Green",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2026-06-03",
      "completion_date": "2029-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-09-12T09:06:48.365Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07510607"
    },
    {
      "nct_id": "NCT02760095",
      "title": "Effects of EED on Zn Absorption and Retention in Children From a Standard Dose",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Environmental Enteric Dysfunction",
        "Zinc Deficiency",
        "Vitamin A Deficiency"
      ],
      "interventions": [
        {
          "name": "3 mg zinc sulfate supplement",
          "type": "DRUG"
        },
        {
          "name": "0.5 mg of 13C10-retinyl-acetate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Months",
        "maximum_age": "24 Months",
        "sex": "ALL",
        "summary": "18 Months to 24 Months"
      },
      "enrollment_count": 46,
      "start_date": "2015-11",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2019-07-01",
      "last_synced_at": "2026-09-12T09:06:48.365Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02760095"
    },
    {
      "nct_id": "NCT01708525",
      "title": "Feasibility Study: Heavy Water Tissue Labeling Protocol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Skin Laxity"
      ],
      "interventions": [
        {
          "name": "Ulthera® System Treatment",
          "type": "DEVICE"
        },
        {
          "name": "Heavy Water",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Ulthera, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "30 Years to 65 Years"
      },
      "enrollment_count": 2,
      "start_date": "2012-08",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2017-12-11",
      "last_synced_at": "2026-09-12T09:06:48.365Z",
      "location_count": 1,
      "location_summary": "Pasadena, California",
      "locations": [
        {
          "city": "Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01708525"
    },
    {
      "nct_id": "NCT03576716",
      "title": "Clearance of 25-hydroxyvitamin D3 During Vitamin D3 Supplementation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "D6-25-hydroxyvitamin D3",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2018-06-01",
      "completion_date": "2021-01-01",
      "has_results": true,
      "last_update_posted_date": "2022-05-17",
      "last_synced_at": "2026-09-12T09:06:48.365Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03576716"
    },
    {
      "nct_id": "NCT02312492",
      "title": "Development of a Novel Method to Study in Vivo Fatty Acid Metabolism Using Stable Isotope Labeled Fatty Acids in Humans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dyslipidemia"
      ],
      "interventions": [
        {
          "name": "Oleic Diet",
          "type": "OTHER"
        },
        {
          "name": "Palmitic Diet",
          "type": "OTHER"
        },
        {
          "name": "Stearic Diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Tufts University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 85 Years · Female only"
      },
      "enrollment_count": 6,
      "start_date": "2013-01",
      "completion_date": "2018-12",
      "has_results": false,
      "last_update_posted_date": "2019-04-18",
      "last_synced_at": "2026-09-12T09:06:48.365Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02312492"
    },
    {
      "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": "2026-09-12T09:06:48.365Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07194993"
    },
    {
      "nct_id": "NCT05159427",
      "title": "Pharmacokinetic Study of Single-Dose Modified Release Glipizide in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Human Gastrointestinal Physiology Data"
      ],
      "interventions": [
        {
          "name": "Glucotrol XL 5Mg Extended-Release Tablet",
          "type": "DRUG"
        },
        {
          "name": "Glipizide ER 5 MG 24 HR Extended Release Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "Rifaximin 200Mg Tab",
          "type": "DRUG"
        },
        {
          "name": "13C6-Glipizide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 30,
      "start_date": "2022-03-15",
      "completion_date": "2026-03-29",
      "has_results": false,
      "last_update_posted_date": "2026-07-20",
      "last_synced_at": "2026-09-12T09:06:48.365Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05159427"
    },
    {
      "nct_id": "NCT01916863",
      "title": "Study to Evaluate the Effect of Single Doses of LX4211 and Canagliflozin on Intestinal Glucose Absorption in Healthy Adult Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Subjects"
      ],
      "interventions": [
        {
          "name": "LX4211 400 mg",
          "type": "DRUG"
        },
        {
          "name": "canagliflozin 300 mg",
          "type": "DRUG"
        },
        {
          "name": "LX4211 Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lexicon Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 25,
      "start_date": "2013-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-10-30",
      "last_synced_at": "2026-09-12T09:06:48.365Z",
      "location_count": 1,
      "location_summary": "Chula Vista, California",
      "locations": [
        {
          "city": "Chula Vista",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01916863"
    }
  ]
}