{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Metabolic+Flexibility",
    "query": {
      "condition": "Metabolic Flexibility"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 25,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Metabolic+Flexibility&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T16:53:49.856Z",
  "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": "NCT01079234",
      "title": "Comparison of NN1250 With Insulin Glargine in Type 1 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Diabetes",
        "Diabetes Mellitus, Type 1"
      ],
      "interventions": [
        {
          "name": "insulin degludec",
          "type": "DRUG"
        },
        {
          "name": "insulin glargine",
          "type": "DRUG"
        },
        {
          "name": "insulin aspart",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novo Nordisk A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 493,
      "start_date": "2010-03",
      "completion_date": "2011-05",
      "has_results": true,
      "last_update_posted_date": "2017-02-09",
      "last_synced_at": "2026-06-10T16:53:49.856Z",
      "location_count": 40,
      "location_summary": "Encino, California • Fresno, California • Huntington Beach, California + 34 more",
      "locations": [
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Redondo Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01079234"
    },
    {
      "nct_id": "NCT04293367",
      "title": "Fuel Utilization, Diet Composition, and Exercise in African American Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Diabetes",
        "Insulin Resistance"
      ],
      "interventions": [
        {
          "name": "High Intensity Interval Training (HIIT)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 40 Years · Female only"
      },
      "enrollment_count": 28,
      "start_date": "2009-06-01",
      "completion_date": "2013-11-20",
      "has_results": false,
      "last_update_posted_date": "2020-03-03",
      "last_synced_at": "2026-06-10T16:53:49.856Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04293367"
    },
    {
      "nct_id": "NCT03839641",
      "title": "Novel Approach to Assess Metabolic Flexibility in a Respiratory Chamber",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "High fat meal",
          "type": "OTHER"
        },
        {
          "name": "Low fat meal",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 10,
      "start_date": "2019-01-14",
      "completion_date": "2020-12-31",
      "has_results": true,
      "last_update_posted_date": "2021-09-17",
      "last_synced_at": "2026-06-10T16:53:49.856Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03839641"
    },
    {
      "nct_id": "NCT04293224",
      "title": "Metabolic and Bio-behavioral Effects of Following Recommendations in the Dietary Guidelines for Americans",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Body Weight"
      ],
      "interventions": [
        {
          "name": "DGA Mediterranean diet pattern, energy balance",
          "type": "OTHER"
        },
        {
          "name": "DGA Mediterranean diet pattern, negative energy balance",
          "type": "OTHER"
        },
        {
          "name": "TAD diet pattern, negative energy balance",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "USDA, Western Human Nutrition Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "19 Years to 64 Years · Female only"
      },
      "enrollment_count": 70,
      "start_date": "2022-08-01",
      "completion_date": "2026-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-30",
      "last_synced_at": "2026-06-10T16:53:49.856Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04293224"
    },
    {
      "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": "2026-06-10T16:53:49.856Z",
      "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": "NCT05110274",
      "title": "Validating a Novel Approach to Assess Metabolic Flexibility in a Respiratory Chamber",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolism"
      ],
      "interventions": [
        {
          "name": "Overnight Metabolic Flexibility",
          "type": "PROCEDURE"
        },
        {
          "name": "Clamp Metabolic Flexibility",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 10,
      "start_date": "2021-08-26",
      "completion_date": "2022-07-08",
      "has_results": false,
      "last_update_posted_date": "2023-03-09",
      "last_synced_at": "2026-06-10T16:53:49.856Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05110274"
    },
    {
      "nct_id": "NCT02203240",
      "title": "Cocoa and Metabolic Health in Prediabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prediabetes"
      ],
      "interventions": [
        {
          "name": "Cocoa",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Virginia Polytechnic Institute and State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 16,
      "start_date": "2014-06",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2023-09-21",
      "last_synced_at": "2026-06-10T16:53:49.856Z",
      "location_count": 1,
      "location_summary": "Blacksburg, Virginia",
      "locations": [
        {
          "city": "Blacksburg",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02203240"
    },
    {
      "nct_id": "NCT06252922",
      "title": "Diet-Induced Changes in GEnetic Material",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diet, Healthy",
        "Body Weight",
        "Metabolic Disturbance"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "20 Years to 35 Years · Male only"
      },
      "enrollment_count": 10,
      "start_date": "2023-11-11",
      "completion_date": "2026-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-05-31",
      "last_synced_at": "2026-06-10T16:53:49.856Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06252922"
    },
    {
      "nct_id": "NCT03310099",
      "title": "Unsaturated Fatty Acids Enriched-diet to Improve Cardiorespiratory Fitness, Metabolic Flexibility and Glucose Tolerance in Obese Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure With Normal Ejection Fraction",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Increasing daily unsaturated fatty acid consumption",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2017-10-23",
      "completion_date": "2018-10-04",
      "has_results": false,
      "last_update_posted_date": "2019-04-18",
      "last_synced_at": "2026-06-10T16:53:49.856Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03310099"
    },
    {
      "nct_id": "NCT02258438",
      "title": "Effect of Breaking up Prolonged Sitting on Metabolic Flexibility",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Behavior"
      ],
      "interventions": [
        {
          "name": "Uninterrupted sitting",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sitting + 1 bout of activity",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sitting + microbursts of activity",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "19 Years to 45 Years"
      },
      "enrollment_count": 28,
      "start_date": "2014-10-08",
      "completion_date": "2017-09",
      "has_results": false,
      "last_update_posted_date": "2021-04-30",
      "last_synced_at": "2026-06-10T16:53:49.856Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02258438"
    }
  ]
}