{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=VO2+Max&page=2",
    "query": {
      "intervention": "VO2 Max",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=VO2+Max&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T23:27:29.921Z",
  "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": "NCT01879891",
      "title": "Exercise Intensity, Metabolic Rate and Insulin Sensitivity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Women"
      ],
      "interventions": [
        {
          "name": "Aerobic",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "42 Years",
        "sex": "FEMALE",
        "summary": "19 Years to 42 Years · Female only"
      },
      "enrollment_count": 44,
      "start_date": "1995-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-10-25",
      "last_synced_at": "2026-09-13T23:27:29.921Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01879891"
    },
    {
      "nct_id": "NCT03665051",
      "title": "Electrical Stimulation of Human Myocytes in Microgravity",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sarcopenia"
      ],
      "interventions": [
        {
          "name": "Muscle Tissue Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Maximal Oxygen Consumption (V02max)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "AdventHealth Translational Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "20 Years to 80 Years"
      },
      "enrollment_count": 75,
      "start_date": "2019-01-25",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2025-06-11",
      "last_synced_at": "2026-09-13T23:27:29.921Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03665051"
    },
    {
      "nct_id": "NCT06371521",
      "title": "Ergogenic Effects of Sportlegs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Performance Enhancing Product Use"
      ],
      "interventions": [
        {
          "name": "Sportlegs",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Christopher Bell",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 19,
      "start_date": "2024-01-24",
      "completion_date": "2024-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-07-12",
      "last_synced_at": "2026-09-13T23:27:29.921Z",
      "location_count": 1,
      "location_summary": "Fort Collins, Colorado",
      "locations": [
        {
          "city": "Fort Collins",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06371521"
    },
    {
      "nct_id": "NCT06829836",
      "title": "Can You Breathe Your Way To Better Health?",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer",
        "Chronic Stress",
        "Autonomic Dysfunction"
      ],
      "interventions": [
        {
          "name": "Hight intensity interval training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cyclic Hyperventilation with Retention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Northern Colorado",
      "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": 36,
      "start_date": "2025-01-27",
      "completion_date": "2025-06-01",
      "has_results": false,
      "last_update_posted_date": "2025-04-25",
      "last_synced_at": "2026-09-13T23:27:29.921Z",
      "location_count": 1,
      "location_summary": "Greeley, Colorado",
      "locations": [
        {
          "city": "Greeley",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06829836"
    },
    {
      "nct_id": "NCT02032628",
      "title": "DNA Methylation and Cancer Prevention: Duration and Intensity of Exercise",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "DNA Methylation"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Boulder",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 45 Years · Female only"
      },
      "enrollment_count": 276,
      "start_date": "2014-01",
      "completion_date": "2018-09",
      "has_results": false,
      "last_update_posted_date": "2023-08-01",
      "last_synced_at": "2026-09-13T23:27:29.921Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02032628"
    },
    {
      "nct_id": "NCT04532814",
      "title": "Exercise-stimulated Muscle Glucose Uptake in Upper Body Obesity",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Upper Body Obesity"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "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": 48,
      "start_date": "2020-11-06",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-08-17",
      "last_synced_at": "2026-09-13T23:27:29.921Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04532814"
    },
    {
      "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": "2026-09-13T23:27:29.921Z",
      "location_count": 1,
      "location_summary": "Gunnison, Colorado",
      "locations": [
        {
          "city": "Gunnison",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03568214"
    },
    {
      "nct_id": "NCT06610838",
      "title": "Effects of E-cigarette Use on Health",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Electronic Cigarette Use"
      ],
      "interventions": [
        {
          "name": "Health Assessments",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2025-01-06",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-24",
      "last_synced_at": "2026-09-13T23:27:29.921Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06610838"
    },
    {
      "nct_id": "NCT02517671",
      "title": "Impact of Enhanced External Counterpulsation (EECP) on VO2 MAX",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Disease",
        "Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Enhanced External Counterpulsation (EECP)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "David Grant U.S. Air Force Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2015-01",
      "completion_date": "2017-10-07",
      "has_results": false,
      "last_update_posted_date": "2018-03-27",
      "last_synced_at": "2026-09-13T23:27:29.921Z",
      "location_count": 1,
      "location_summary": "Travis Air Force Base, California",
      "locations": [
        {
          "city": "Travis Air Force Base",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02517671"
    },
    {
      "nct_id": "NCT04022707",
      "title": "High Speed Circuit Training and Cognition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Educational Control",
        "Resistance Training"
      ],
      "interventions": [
        {
          "name": "High-speed circuit resistance training",
          "type": "OTHER"
        },
        {
          "name": "Educational control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 30,
      "start_date": "2019-08-01",
      "completion_date": "2020-04-30",
      "has_results": false,
      "last_update_posted_date": "2020-05-18",
      "last_synced_at": "2026-09-13T23:27:29.921Z",
      "location_count": 2,
      "location_summary": "Coral Gables, Florida",
      "locations": [
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04022707"
    }
  ]
}