{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cardiopulmonary+exercise+testing",
    "query": {
      "intervention": "Cardiopulmonary exercise testing"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 140,
    "total_pages": 14,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cardiopulmonary+exercise+testing&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T10:37:58.438Z",
  "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": "NCT01658982",
      "title": "Cardiopulmonary Exercise Testing in Cirrhotic Patients: a Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "End Stage Liver Disease"
      ],
      "interventions": [
        {
          "name": "cardiopulmonary exercise testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2012-08",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2013-12-02",
      "last_synced_at": "2026-09-02T10:37:58.438Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01658982"
    },
    {
      "nct_id": "NCT04833010",
      "title": "Effects of Face Masks During Exercise",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiopulmonary",
        "Exercise",
        "Cognitive Performance",
        "Covid19"
      ],
      "interventions": [
        {
          "name": "Cardiopulmonary Exercise Test",
          "type": "OTHER"
        },
        {
          "name": "Cognitive Performance Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Baylor Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 100,
      "start_date": "2021-01-20",
      "completion_date": "2021-07-15",
      "has_results": false,
      "last_update_posted_date": "2025-01-22",
      "last_synced_at": "2026-09-02T10:37:58.438Z",
      "location_count": 1,
      "location_summary": "Frisco, Texas",
      "locations": [
        {
          "city": "Frisco",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04833010"
    },
    {
      "nct_id": "NCT06819059",
      "title": "Safety and Effectiveness of a Virtual Pediatric Cardiac Rehabilitation Program or Telerehabilitation in Children With Heart Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congenital Abnormalities",
        "Pulmonary Arterial Hypertension (PAH)",
        "Orthotopic Heart Transplant",
        "Cardiac Rehabilitation",
        "Pediatric Cardiology",
        "Telehealth",
        "Telerehabilitation"
      ],
      "interventions": [
        {
          "name": "Pediatric Cardiac Telerehabilitation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fitness Tracker Only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "10 Years to 25 Years"
      },
      "enrollment_count": 50,
      "start_date": "2023-05-01",
      "completion_date": "2025-02-01",
      "has_results": false,
      "last_update_posted_date": "2025-02-11",
      "last_synced_at": "2026-09-02T10:37:58.438Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06819059"
    },
    {
      "nct_id": "NCT01819922",
      "title": "Effect Of Single-Dose PF-05175157 On Metabolic And Cardiopulmonary Parameters",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "PF-05175157",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 12,
      "start_date": "2013-04",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2016-05-02",
      "last_synced_at": "2026-09-02T10:37:58.438Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01819922"
    },
    {
      "nct_id": "NCT01626079",
      "title": "Cardiovascular Outcomes Assessment of the MitraClip Percutaneous Therapy for Heart Failure Patients With Functional Mitral Regurgitation (The COAPT Trial) and COAPT CAS",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mitral Regurgitation",
        "Mitral Valve Regurgitation",
        "Treatment of Functional Mitral Regurgitation in Symptomatic Heart Failure Subjects",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "MitraClip System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 776,
      "start_date": "2012-08",
      "completion_date": "2024-07",
      "has_results": true,
      "last_update_posted_date": "2023-11-27",
      "last_synced_at": "2026-09-02T10:37:58.438Z",
      "location_count": 81,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 65 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01626079"
    },
    {
      "nct_id": "NCT01941225",
      "title": "Inhaled Iloprost, Dynamic Hyperinflation, and Oxidative Stress in COPD Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Inhaled iloprost 5.0 mcg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Louisiana State University Health Sciences Center in New Orleans",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2013-09",
      "completion_date": "2016-11",
      "has_results": false,
      "last_update_posted_date": "2016-12-16",
      "last_synced_at": "2026-09-02T10:37:58.438Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01941225"
    },
    {
      "nct_id": "NCT01558076",
      "title": "Longitudinal Changes in Exercise Capacity in Children and Young Adults With Sickle Cell Anemia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Anemia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Ann & Robert H Lurie Children's Hospital of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "8 Years to 21 Years"
      },
      "enrollment_count": 35,
      "start_date": "2012-01",
      "completion_date": "2017-04-11",
      "has_results": false,
      "last_update_posted_date": "2024-12-18",
      "last_synced_at": "2026-09-02T10:37:58.438Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01558076"
    },
    {
      "nct_id": "NCT05569122",
      "title": "Applying pGz in Mitochondrial Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Mitochondrial Myopathies",
        "Mitochondrial Diseases"
      ],
      "interventions": [
        {
          "name": "Cardiopulmonary Exercise Testing",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "pGz Bed",
          "type": "DEVICE"
        },
        {
          "name": "Gentle Jogger",
          "type": "DEVICE"
        },
        {
          "name": "Exercise Pedal",
          "type": "DEVICE"
        },
        {
          "name": "Lumason® contrast agent",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "10 Years to 60 Years"
      },
      "enrollment_count": 90,
      "start_date": "2023-03-22",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2025-11-10",
      "last_synced_at": "2026-09-02T10:37:58.438Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05569122"
    },
    {
      "nct_id": "NCT02195999",
      "title": "Assessment of Cardiopulmonary Function in Duchenne Muscular Dystrophy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Muscular Dystrophy, Duchenne"
      ],
      "interventions": [
        {
          "name": "Magnetic Resonance Imaging (MRI)",
          "type": "OTHER"
        },
        {
          "name": "Pulmonary Function Testing (PFT)",
          "type": "OTHER"
        },
        {
          "name": "Metabolic Exercise Testing using stationary bicycle",
          "type": "OTHER"
        },
        {
          "name": "Echocardiogram",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "15 Years",
        "sex": "MALE",
        "summary": "5 Years to 15 Years · Male only"
      },
      "enrollment_count": 9,
      "start_date": "2013-12",
      "completion_date": "2019-03-06",
      "has_results": false,
      "last_update_posted_date": "2019-07-08",
      "last_synced_at": "2026-09-02T10:37:58.438Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02195999"
    },
    {
      "nct_id": "NCT01684579",
      "title": "Exercising Our ABC's (African- American Breast Cancer Survivors)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Resistance Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Aerobic Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral Group Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "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": 19,
      "start_date": "2011-06",
      "completion_date": "2013-03",
      "has_results": false,
      "last_update_posted_date": "2013-03-20",
      "last_synced_at": "2026-09-02T10:37:58.438Z",
      "location_count": 2,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01684579"
    }
  ]
}