{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=24-hour+energy+expenditure",
    "query": {
      "intervention": "24-hour energy expenditure"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 12,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=24-hour+energy+expenditure&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T07:16:04.717Z",
  "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": "NCT01867437",
      "title": "Effects of RM-493 on Energy Expenditure in Obese Individuals",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Obesity",
        "Morbid Obesity"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "RM-493",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rhythm Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "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": "2013-05",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2017-04-20",
      "last_synced_at": "2026-10-02T07:16:04.717Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01867437"
    },
    {
      "nct_id": "NCT01482286",
      "title": "Effect of Weight and Insulin Sensitivity on Reproductive Function in PCOS",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Polycystic Ovary Syndrome"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Dietary Restriction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Exercise Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 40 Years · Female only"
      },
      "enrollment_count": 32,
      "start_date": "2012-05",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2022-03-15",
      "last_synced_at": "2026-10-02T07:16:04.717Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01482286"
    },
    {
      "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": "2026-10-02T07:16:04.717Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04483921"
    },
    {
      "nct_id": "NCT01740765",
      "title": "Energy Expenditure and Substrate Utilization During Acute Under- and Over-feeding",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "24-hour energy expenditure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 65 Years · Female only"
      },
      "enrollment_count": 7,
      "start_date": "2012-05",
      "completion_date": "2012-10",
      "has_results": false,
      "last_update_posted_date": "2012-12-04",
      "last_synced_at": "2026-10-02T07:16:04.717Z",
      "location_count": 1,
      "location_summary": "Kannapolis, North Carolina",
      "locations": [
        {
          "city": "Kannapolis",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01740765"
    },
    {
      "nct_id": "NCT02939404",
      "title": "Food Intake Response to Short-Term Modifications of Metabolism in Humans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Cold exposure",
          "type": "OTHER"
        },
        {
          "name": "Normal temperature",
          "type": "OTHER"
        },
        {
          "name": "Fixed diet",
          "type": "OTHER"
        },
        {
          "name": "Ad libitum diet",
          "type": "OTHER"
        },
        {
          "name": "Fasting",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 54,
      "start_date": "2017-04-27",
      "completion_date": "2024-06-24",
      "has_results": true,
      "last_update_posted_date": "2025-07-04",
      "last_synced_at": "2026-10-02T07:16:04.717Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02939404"
    },
    {
      "nct_id": "NCT03350997",
      "title": "Effects of Exercise and Energy Balance on 24-hour Blood Glucose Control",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Disease",
        "Adipose Tissue"
      ],
      "interventions": [
        {
          "name": "Trial 2 Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Trial 1 Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "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": 22,
      "start_date": "2016-10-21",
      "completion_date": "2017-12-18",
      "has_results": false,
      "last_update_posted_date": "2022-03-21",
      "last_synced_at": "2026-10-02T07:16:04.717Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03350997"
    },
    {
      "nct_id": "NCT00687115",
      "title": "Predicting Weight Gain and Weight Loss Associated With Overeating or Fasting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obesity",
        "Diet Therapy",
        "Weight Loss",
        "Weight Gain",
        "Nutrition Therapy"
      ],
      "interventions": [
        {
          "name": "Weight Loss",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Overfeeding",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Overfeeding Low Pro",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 83,
      "start_date": "2008-09-18",
      "completion_date": "2023-03-20",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-10-02T07:16:04.717Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00687115"
    },
    {
      "nct_id": "NCT01729143",
      "title": "Impact of Black Pepper on Energy Expenditure and Substrate Utilization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "24-hour energy expenditure and substrate utilization",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 65 Years · Female only"
      },
      "enrollment_count": 18,
      "start_date": "2011-04",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2016-04-06",
      "last_synced_at": "2026-10-02T07:16:04.717Z",
      "location_count": 1,
      "location_summary": "Kannapolis, North Carolina",
      "locations": [
        {
          "city": "Kannapolis",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01729143"
    },
    {
      "nct_id": "NCT06610162",
      "title": "Thermogenenic Responses to Fasting and Overfeeding in Women",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Eucalaloric feeding",
          "type": "OTHER"
        },
        {
          "name": "Acute Fasting",
          "type": "OTHER"
        },
        {
          "name": "Acute Overfeeding",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 56,
      "start_date": "2025-01-01",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-04-30",
      "last_synced_at": "2026-10-02T07:16:04.717Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06610162"
    },
    {
      "nct_id": "NCT01461304",
      "title": "Compassionate Use of Triheptanoin (C7) for Inherited Disorders of Energy Metabolism",
      "overall_status": "NO_LONGER_AVAILABLE",
      "study_type": "EXPANDED_ACCESS",
      "phases": [],
      "conditions": [
        "Very Long-chain acylCoA Dehydrogenase (VLCAD) Deficiency",
        "Carnitine Palmitoyltransferase Deficiencies (CPT1, CPT2)",
        "Mitochondrial Trifunctional Protein Deficiency",
        "Long-chain Hydroxyacyl-CoA Dehydrogenase Deficiency",
        "Glycogen Storage Disorders",
        "Pyruvate Carboxylase Deficiency Disease",
        "ACYL-CoA DEHYDROGENASE FAMILY, MEMBER 9, DEFICIENCY of",
        "Barth Syndrome"
      ],
      "interventions": [
        {
          "name": "triheptanoin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jerry Vockley, MD, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Month and older"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2021-12-10",
      "last_synced_at": "2026-10-02T07:16:04.717Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01461304"
    }
  ]
}