{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Calorimetry%2C+Indirect",
    "query": {
      "condition": "Calorimetry, Indirect"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 17,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Calorimetry%2C+Indirect&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-27T02:02:30.921Z",
  "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": "NCT03138382",
      "title": "Effect of Vestibular Stimulation on Fat Consumption and Energy Expenditure as Assessed Using Indirect Calorimetry",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Vestibular Nerve Stimulator",
          "type": "DEVICE"
        },
        {
          "name": "Sham stimulator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 20,
      "start_date": "2017-08-25",
      "completion_date": "2018-03-01",
      "has_results": true,
      "last_update_posted_date": "2019-06-27",
      "last_synced_at": "2026-06-27T02:02:30.921Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03138382"
    },
    {
      "nct_id": "NCT04469452",
      "title": "Validation of a Portable Indirect Calorimeter",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Human Energy Expenditure"
      ],
      "interventions": [
        {
          "name": "Apollo Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "19 Years to 99 Years"
      },
      "enrollment_count": 35,
      "start_date": "2020-09-01",
      "completion_date": "2023-11-28",
      "has_results": false,
      "last_update_posted_date": "2023-12-04",
      "last_synced_at": "2026-06-27T02:02:30.921Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04469452"
    },
    {
      "nct_id": "NCT04482556",
      "title": "Comparison of the Q-NRG+ Indirect Calorimetry Device Versus the V(Max) Encore Device in Mechanically Ventilated Children",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Calorimetry, Indirect",
        "Oxygen Consumption",
        "Metabolism",
        "Mechanical Ventilation"
      ],
      "interventions": [
        {
          "name": "Q-NRG+ Indirect Calorimetry Device",
          "type": "DEVICE"
        },
        {
          "name": "V(max) Encore Indirect Calorimetry Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "10 Years to 18 Years"
      },
      "enrollment_count": 40,
      "start_date": "2020-01-01",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-01-03",
      "last_synced_at": "2026-06-27T02:02:30.921Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04482556"
    },
    {
      "nct_id": "NCT06721260",
      "title": "Metabolism Evaluation Through Resting Indirect Calorimetry in Bladder Cancer (METRICS)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bladder Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2025-01-21",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-03-20",
      "last_synced_at": "2026-06-27T02:02:30.921Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06721260"
    },
    {
      "nct_id": "NCT04132700",
      "title": "Longitudinal Evaluation of Energy Expenditure in ICU Patients From Admission to Discharge Using A Novel Indirect Calorimeter: LEEP-Forward Trial",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolism Requirement",
        "Energy Requirement",
        "Indirect Calorimetry"
      ],
      "interventions": [
        {
          "name": "Q-NRG Metobolic Cart Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "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": "2020-03-15",
      "completion_date": "2020-11-01",
      "has_results": false,
      "last_update_posted_date": "2021-05-21",
      "last_synced_at": "2026-06-27T02:02:30.921Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04132700"
    },
    {
      "nct_id": "NCT03109561",
      "title": "Apolipoprotein E (ApoE) and Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cognitive Function",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Resting State Indirect Calorimetry",
          "type": "OTHER"
        },
        {
          "name": "ApoE",
          "type": "GENETIC"
        },
        {
          "name": "Metabolism",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Cognitive Challenge",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "GENETIC",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Lance Johnson",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 100,
      "start_date": "2018-04-24",
      "completion_date": "2020-01-30",
      "has_results": false,
      "last_update_posted_date": "2020-07-23",
      "last_synced_at": "2026-06-27T02:02:30.921Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03109561"
    },
    {
      "nct_id": "NCT03440593",
      "title": "Indirect Calorimetry Usage and Effect in Ventilator-free Days and Muscle Thickness in Septic Ventilated Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sepsis",
        "Critical Illness",
        "Respiratory Failure",
        "Nutrition Disorders",
        "Calorie Deficiency",
        "Diaphragm Injury",
        "Quadriceps Muscle Atrophy"
      ],
      "interventions": [
        {
          "name": "Caloric delivery will target results of IC measurement.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Baylor Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2018-09-10",
      "completion_date": "2019-10-03",
      "has_results": false,
      "last_update_posted_date": "2020-10-22",
      "last_synced_at": "2026-06-27T02:02:30.921Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03440593"
    },
    {
      "nct_id": "NCT00225381",
      "title": "Gas Kinetics and Metabolism in Anesthesia During Non Steady State",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anesthetized Healthy Patients (ASA 1 or 2) in the Supine Position, Excluding Head, Neck and Head Surgeries",
        "Anesthetized Patient With Severe Systemic Disease (ASA 3 or 4)"
      ],
      "interventions": [
        {
          "name": "connection of measuring device to anesthesia circuit",
          "type": "DEVICE"
        },
        {
          "name": "drawing of blood sample through an arterial line, placed according to clinical criteria by primary anesthesia team",
          "type": "PROCEDURE"
        },
        {
          "name": "changing operating room bed position (head down and up position)",
          "type": "PROCEDURE"
        },
        {
          "name": "adding PEEP during anesthesia",
          "type": "PROCEDURE"
        },
        {
          "name": "placement of esophageal Doppler for cardiac output measurements",
          "type": "PROCEDURE"
        },
        {
          "name": "Humidity sensor",
          "type": "DEVICE"
        },
        {
          "name": "A mixing chamber (bymixer)",
          "type": "DEVICE"
        },
        {
          "name": "Pneumotachometer cuvette",
          "type": "DEVICE"
        },
        {
          "name": "Mass spectrometer sampling port",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2005-08",
      "completion_date": "2012-01-13",
      "has_results": false,
      "last_update_posted_date": "2021-03-23",
      "last_synced_at": "2026-06-27T02:02:30.921Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00225381"
    },
    {
      "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": "2026-06-27T02:02:30.921Z",
      "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": "NCT03692507",
      "title": "Effects of Nutritional Preconditioning on the Patient's Outcomes After Surgery",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Major Abdominal/GI Surgery"
      ],
      "interventions": [
        {
          "name": "HMB",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Protein and HMB",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "ERAS",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2021-07-30",
      "completion_date": "2022-12-30",
      "has_results": false,
      "last_update_posted_date": "2021-07-02",
      "last_synced_at": "2026-06-27T02:02:30.921Z",
      "location_count": 1,
      "location_summary": "Fresno, California",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03692507"
    }
  ]
}