{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Substrate+Oxidation",
    "query": {
      "condition": "Substrate Oxidation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 20,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Substrate+Oxidation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T16:47:50.963Z",
  "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": "NCT06123208",
      "title": "Impact of Eating Beans on Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight"
      ],
      "interventions": [
        {
          "name": "Whole cooked pinto bean",
          "type": "OTHER"
        },
        {
          "name": "Pinto bean flour",
          "type": "OTHER"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "USDA Grand Forks Human Nutrition Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2023-10-30",
      "completion_date": "2025-08-15",
      "has_results": false,
      "last_update_posted_date": "2025-12-03",
      "last_synced_at": "2026-07-22T16:47:50.963Z",
      "location_count": 1,
      "location_summary": "Grand Forks, North Dakota",
      "locations": [
        {
          "city": "Grand Forks",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06123208"
    },
    {
      "nct_id": "NCT07122765",
      "title": "Effect of Caloric Content and Timing of Meal on Postprandial Substrate Oxidation and Pulse Wave Analysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Feeding",
        "Metabolism",
        "Indirect Calorimetry",
        "Blood Flow Velocity",
        "Pulse Wave Analysis",
        "Pulse Wave Velocity",
        "Carbohydrate Metabolism",
        "Fatty Acid Metabolism",
        "Healthy Participants"
      ],
      "interventions": [
        {
          "name": "Mixed Meal Feeding Challenge",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "George Washington University",
      "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": 20,
      "start_date": "2024-11-03",
      "completion_date": "2026-01-15",
      "has_results": false,
      "last_update_posted_date": "2026-02-25",
      "last_synced_at": "2026-07-22T16:47:50.963Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07122765"
    },
    {
      "nct_id": "NCT01751581",
      "title": "Sleep Restriction and Energy Expenditure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Short Sleep",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Habitual sleep",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "St. Luke's-Roosevelt Hospital Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 45 Years · Female only"
      },
      "enrollment_count": 10,
      "start_date": "2011-11",
      "completion_date": "2013-04",
      "has_results": false,
      "last_update_posted_date": "2013-08-02",
      "last_synced_at": "2026-07-22T16:47:50.963Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01751581"
    },
    {
      "nct_id": "NCT07565727",
      "title": "Cardiometabolic Disease and Substrate Metabolism",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Preeclampsia",
        "Gestational Diabetes Mellitus (GDM)",
        "Preeclampsia (PE)",
        "Preeclampsia (PE) Risk",
        "Gestational Diabetes",
        "Gestational Diabetes Mellitus in Pregnancy",
        "Cardiometabolic Diseases",
        "Insulin Resistance",
        "Placental Dysfunction",
        "Pregnancy",
        "Pregnancy Complications",
        "Gestational Complications"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Tennessee Graduate School of Medicine",
      "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": 50,
      "start_date": "2025-12-10",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-07-22T16:47:50.963Z",
      "location_count": 1,
      "location_summary": "Knoxville, Tennessee",
      "locations": [
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07565727"
    },
    {
      "nct_id": "NCT06308731",
      "title": "Exercise-Induced Rates of Fat Oxidation with and Without Ingestion of a Caffeine-Based Energy Drink",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substrate Oxidation",
        "Energy Expenditure",
        "Reaction Time",
        "Cognition",
        "Exercise Performance"
      ],
      "interventions": [
        {
          "name": "Caffeine-Based Energy Drink",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Lindenwood 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": 15,
      "start_date": "2024-01-19",
      "completion_date": "2024-09-16",
      "has_results": false,
      "last_update_posted_date": "2024-10-17",
      "last_synced_at": "2026-07-22T16:47:50.963Z",
      "location_count": 1,
      "location_summary": "Saint Charles, Missouri",
      "locations": [
        {
          "city": "Saint Charles",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06308731"
    },
    {
      "nct_id": "NCT06537401",
      "title": "Metabolic Adaptations to High-fat Diet",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adiposity",
        "Insulin Sensitivity",
        "Impaired Glucose Tolerance",
        "Metabolic Disturbance"
      ],
      "interventions": [
        {
          "name": "Hypercaloric, High Fat Diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "George Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "20 Years to 45 Years"
      },
      "enrollment_count": 2,
      "start_date": "2024-08-12",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-08-26",
      "last_synced_at": "2026-07-22T16:47:50.963Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06537401"
    },
    {
      "nct_id": "NCT00942513",
      "title": "Effect of Lactose, Fructose, Sucrose, Whey Protein, and Soy Protein on Substrate Absorption and Oxidation: a Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substrate Absorption",
        "Substrate Oxidation",
        "Glucose Regulation"
      ],
      "interventions": [
        {
          "name": "trt 1",
          "type": "OTHER"
        },
        {
          "name": "trt 2",
          "type": "OTHER"
        },
        {
          "name": "trt 3",
          "type": "OTHER"
        },
        {
          "name": "trt 4",
          "type": "OTHER"
        },
        {
          "name": "trt 5",
          "type": "OTHER"
        },
        {
          "name": "trt 6",
          "type": "OTHER"
        },
        {
          "name": "trt 7",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "United States Department of Agriculture (USDA)",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "25 Years to 65 Years · Male only"
      },
      "enrollment_count": 9,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2011-02-09",
      "last_synced_at": "2026-07-22T16:47:50.963Z",
      "location_count": 1,
      "location_summary": "Beltsville, Maryland",
      "locations": [
        {
          "city": "Beltsville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00942513"
    },
    {
      "nct_id": "NCT04819308",
      "title": "Differences in Nutrient Use During Exercise Between Children of Varying Body Mass Indices and Fitness Levels",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Arkansas Children's Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "8 Years to 11 Years"
      },
      "enrollment_count": 95,
      "start_date": "2021-03-18",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2025-02-25",
      "last_synced_at": "2026-07-22T16:47:50.963Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04819308"
    },
    {
      "nct_id": "NCT04483921",
      "title": "SubsTRate OxidatioN in Girls",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight Adolescents"
      ],
      "interventions": [
        {
          "name": "Acute exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "17 Years",
        "sex": "FEMALE",
        "summary": "13 Years to 17 Years · Female only"
      },
      "enrollment_count": 14,
      "start_date": "2020-07-15",
      "completion_date": "2023-10-20",
      "has_results": false,
      "last_update_posted_date": "2024-04-02",
      "last_synced_at": "2026-07-22T16:47:50.963Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04483921"
    },
    {
      "nct_id": "NCT07298863",
      "title": "The Effect of Hydration Status on Substrate Oxidation at Rest and During Light and Moderate Exercise",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hydration Status",
        "Substrate Metabolism During Exercise"
      ],
      "interventions": [
        {
          "name": "Exercise Trial",
          "type": "OTHER"
        },
        {
          "name": "Experimental Trial",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "PepsiCo Global R&D",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 74,
      "start_date": "2025-11-05",
      "completion_date": "2026-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-03",
      "last_synced_at": "2026-07-22T16:47:50.963Z",
      "location_count": 1,
      "location_summary": "Valhalla, New York",
      "locations": [
        {
          "city": "Valhalla",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07298863"
    }
  ]
}