{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=VO2max.",
    "query": {
      "intervention": "VO2max."
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 113,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=VO2max.&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T09:48:42.254Z",
  "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": "NCT07298863",
      "title": "The Effect of Hydration Status on Substrate Oxidation at Rest and During Light and Moderate Exercise",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hydration Status",
        "Substrate Metabolism During Exercise"
      ],
      "interventions": [
        {
          "name": "Part 1 - Exercise Trial",
          "type": "OTHER"
        },
        {
          "name": "Part 1 - Experimental Trial",
          "type": "OTHER"
        },
        {
          "name": "Part 2 - Oral Glucose Tolerance Test",
          "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": 104,
      "start_date": "2025-11-05",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-09-03T09:48:42.254Z",
      "location_count": 1,
      "location_summary": "Valhalla, New York",
      "locations": [
        {
          "city": "Valhalla",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07298863"
    },
    {
      "nct_id": "NCT02918851",
      "title": "VO2 Max: In Vivo Model for Functional Red Cell Testing. Can RECESS be Explained?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Transfusion of 7-day stored red blood cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Transfusion of 28-day stored red blood cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Transfusion of 42-day stored red blood cells",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Stony Brook University",
      "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": 42,
      "start_date": "2017-01",
      "completion_date": "2019-11-20",
      "has_results": true,
      "last_update_posted_date": "2021-04-08",
      "last_synced_at": "2026-09-03T09:48:42.254Z",
      "location_count": 1,
      "location_summary": "Stony Brook, New York",
      "locations": [
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02918851"
    },
    {
      "nct_id": "NCT03808675",
      "title": "Aerobic Exercise in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Aerobic walking",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual care with PD specific health education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 57,
      "start_date": "2019-07-01",
      "completion_date": "2024-09-30",
      "has_results": true,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-09-03T09:48:42.254Z",
      "location_count": 2,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03808675"
    },
    {
      "nct_id": "NCT04514354",
      "title": "The Influence of Cardiorespiratory Fitness on Firefighter Cardiovascular Health Under Exercise Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "Post-Exercise Hypotension"
      ],
      "interventions": [
        {
          "name": "GEST",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Connecticut",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2015-04",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2020-08-14",
      "last_synced_at": "2026-09-03T09:48:42.254Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04514354"
    },
    {
      "nct_id": "NCT03568214",
      "title": "Personalized Moderate Intensity Exercise Training Combined With High Intensity Interval",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise",
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Western Colorado University",
      "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": 45,
      "start_date": "2018-01-01",
      "completion_date": "2019-03-31",
      "has_results": false,
      "last_update_posted_date": "2018-06-26",
      "last_synced_at": "2026-09-03T09:48:42.254Z",
      "location_count": 1,
      "location_summary": "Gunnison, Colorado",
      "locations": [
        {
          "city": "Gunnison",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03568214"
    },
    {
      "nct_id": "NCT07393841",
      "title": "Molecular Indicators of Systematic Fitness",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Adult",
        "Fitness Testing",
        "Athlete",
        "Aging",
        "Exercise Physiology",
        "Human Performance"
      ],
      "interventions": [
        {
          "name": "There is no intervention.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "VO Health, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2026-01-05",
      "completion_date": "2028-05-10",
      "has_results": false,
      "last_update_posted_date": "2026-02-06",
      "last_synced_at": "2026-09-03T09:48:42.254Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07393841"
    },
    {
      "nct_id": "NCT02152462",
      "title": "Exergaming Intervention and Breast Cancer Biomarkers in Black Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Exergaming",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Georgetown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "59 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 59 Years · Female only"
      },
      "enrollment_count": 150,
      "start_date": "2012-12",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2020-02-10",
      "last_synced_at": "2026-09-03T09:48:42.254Z",
      "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/NCT02152462"
    },
    {
      "nct_id": "NCT03745248",
      "title": "Aerobic Exercise, Balance Training, and Ataxia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ataxia",
        "Spino Cerebellar Degeneration",
        "Spinocerebellar Ataxias"
      ],
      "interventions": [
        {
          "name": "Aerobic training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Balance Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2018-11-14",
      "completion_date": "2019-10-14",
      "has_results": false,
      "last_update_posted_date": "2019-12-11",
      "last_synced_at": "2026-09-03T09:48:42.254Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03745248"
    },
    {
      "nct_id": "NCT05930834",
      "title": "Exercise Training and Insulin Sensitivity",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Exercise"
      ],
      "interventions": [
        {
          "name": "exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "21 Years to 45 Years"
      },
      "enrollment_count": 0,
      "start_date": "2024-07-01",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2024-10-01",
      "last_synced_at": "2026-09-03T09:48:42.254Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05930834"
    },
    {
      "nct_id": "NCT02741115",
      "title": "Fontan Udenafil Exercise Longitudinal Assessment Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Single Ventricle Heart Disease"
      ],
      "interventions": [
        {
          "name": "Udenafil",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mezzion Pharma Co. Ltd",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 400,
      "start_date": "2016-07-22",
      "completion_date": "2019-04-30",
      "has_results": true,
      "last_update_posted_date": "2025-06-17",
      "last_synced_at": "2026-09-03T09:48:42.254Z",
      "location_count": 26,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • San Diego, California + 22 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02741115"
    }
  ]
}