{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cardiorespiratory+Fitness",
    "query": {
      "condition": "Cardiorespiratory Fitness"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 58,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cardiorespiratory+Fitness&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T04:10:40.355Z",
  "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": "NCT02892331",
      "title": "Effects of Exercise Training Intensity on Fitness and Insulin Sensitivity in African Americans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Insulin Resistance",
        "Sedentary Lifestyle"
      ],
      "interventions": [
        {
          "name": "Moderate intensity exercise training (MOD-INT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "High Intensity exercise training (HI-INT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "East Carolina University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "35 Years to 65 Years"
      },
      "enrollment_count": 52,
      "start_date": "2016-10",
      "completion_date": "2021-08",
      "has_results": true,
      "last_update_posted_date": "2024-06-13",
      "last_synced_at": "2026-05-22T04:10:40.355Z",
      "location_count": 1,
      "location_summary": "Greenville, North Carolina",
      "locations": [
        {
          "city": "Greenville",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02892331"
    },
    {
      "nct_id": "NCT05218083",
      "title": "REmotely Monitored, Mobile Health Supported Multidomain Rehabilitation Program With High Intensity Interval Training for COVID-19",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19",
        "Critical Illness",
        "ICU Acquired Weakness",
        "PICS",
        "Cardiorespiratory Fitness"
      ],
      "interventions": [
        {
          "name": "REmotely monitored, Mobile health supported Multidomain Rehabilitation Program with High Intensity Interval Training (REMM-HIIT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 120,
      "start_date": "2023-02-23",
      "completion_date": "2026-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-05-22T04:10:40.355Z",
      "location_count": 5,
      "location_summary": "Birmingham, Alabama • Lexington, Kentucky • Durham, North Carolina + 2 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05218083"
    },
    {
      "nct_id": "NCT06853236",
      "title": "Functional Incremental Stepping in Place Test (F-IST) Validation",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Intensive Care Medicine",
        "Acute Care Medical"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Kirby Mayer",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2024-07-02",
      "completion_date": "2026-07-02",
      "has_results": false,
      "last_update_posted_date": "2026-03-17",
      "last_synced_at": "2026-05-22T04:10:40.355Z",
      "location_count": 2,
      "location_summary": "Boca Raton, Florida • Durham, North Carolina",
      "locations": [
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06853236"
    },
    {
      "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": "2026-05-22T04:10:40.355Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03310099"
    },
    {
      "nct_id": "NCT03945435",
      "title": "Mechanisms of Exercise Resistance in Metabolic Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Impaired Glucose Tolerance"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Joslin Diabetes Center",
      "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": 29,
      "start_date": "2018-07-01",
      "completion_date": "2019-04-11",
      "has_results": false,
      "last_update_posted_date": "2019-08-19",
      "last_synced_at": "2026-05-22T04:10:40.355Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03945435"
    },
    {
      "nct_id": "NCT05786014",
      "title": "The Effects of Two Exercise Interventions on Breast Cancer Patients Undergoing Cardiotoxic Chemotherapies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Cardiotoxicity",
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "High Intensity Interval Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Moderate Intensity Walking",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 24,
      "start_date": "2023-04-01",
      "completion_date": "2024-08-26",
      "has_results": false,
      "last_update_posted_date": "2025-06-12",
      "last_synced_at": "2026-05-22T04:10:40.355Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05786014"
    },
    {
      "nct_id": "NCT04791371",
      "title": "Role of Microvascular Insulin Resistance and Cardiorespiratory Fitness Diabetes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes",
        "Overweight and Obesity"
      ],
      "interventions": [
        {
          "name": "Cardiovascular exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "30 Years to 55 Years"
      },
      "enrollment_count": 150,
      "start_date": "2022-06-17",
      "completion_date": "2027-02-15",
      "has_results": false,
      "last_update_posted_date": "2026-03-23",
      "last_synced_at": "2026-05-22T04:10:40.355Z",
      "location_count": 2,
      "location_summary": "Aurora, Colorado • Charlottesville, Virginia",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04791371"
    },
    {
      "nct_id": "NCT07573228",
      "title": "Impact of Obesity on Microvascular Insulin Action and Cardiorespiratory Fitness in Type 1 Diabetes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 1 Diabetes",
        "Overweight"
      ],
      "interventions": [
        {
          "name": "Exercise training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "21 Years to 50 Years"
      },
      "enrollment_count": 60,
      "start_date": "2026-02-23",
      "completion_date": "2030-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-05-22T04:10:40.355Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07573228"
    },
    {
      "nct_id": "NCT03480581",
      "title": "Impact of Reverse vs. Forward ICARE Training Interventions",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neurological Injury",
        "Neurological Diseases or Conditions"
      ],
      "interventions": [
        {
          "name": "Forward First ICARE Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reverse First ICARE Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Madonna Rehabilitation Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2018-06-01",
      "completion_date": "2024-07-01",
      "has_results": false,
      "last_update_posted_date": "2023-08-14",
      "last_synced_at": "2026-05-22T04:10:40.355Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03480581"
    },
    {
      "nct_id": "NCT04586049",
      "title": "Cardiovascular and Neurovascular Regulation in GWI",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain Blood Flow",
        "Neurovascular Control"
      ],
      "interventions": [
        {
          "name": "MRI",
          "type": "DEVICE"
        },
        {
          "name": "Transcranial Doppler Ultrasound",
          "type": "DEVICE"
        },
        {
          "name": "Sympathetic Nerve Activity",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "68 Years",
        "sex": "ALL",
        "summary": "45 Years to 68 Years"
      },
      "enrollment_count": 70,
      "start_date": "2023-05-16",
      "completion_date": "2026-06",
      "has_results": false,
      "last_update_posted_date": "2025-07-18",
      "last_synced_at": "2026-05-22T04:10:40.355Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04586049"
    }
  ]
}