{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cardiopulmonary+exercise+test",
    "query": {
      "intervention": "Cardiopulmonary exercise test"
    },
    "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+test&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T16:08:56.200Z",
  "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": "NCT06856525",
      "title": "Dissolved Phase HXe-129 MRI: A Novel Biomarker to Quantify Pulmonary Pathology",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Electronic Cigarette Related Lung Damage"
      ],
      "interventions": [
        {
          "name": "Hyperpolarized xenon 129",
          "type": "DRUG"
        },
        {
          "name": "Cardiopulmonary Stress Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Pulmonary Function Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Chest CT",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Y. Michael Shim, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 80,
      "start_date": "2024-12-19",
      "completion_date": "2032-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-17",
      "last_synced_at": "2026-09-08T16:08:56.200Z",
      "location_count": 2,
      "location_summary": "Durham, North Carolina • Charlottesville, Virginia",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06856525"
    },
    {
      "nct_id": "NCT01822769",
      "title": "Cardiopulmonary Rehabilitation for Adolescents and Adults With Congenital Heart Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congenital Heart Disease",
        "Heart Defects, Congenital"
      ],
      "interventions": [
        {
          "name": "Cardiopulmonary rehabilitation",
          "type": "OTHER"
        },
        {
          "name": "Standard of care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2013-04",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2018-01-25",
      "last_synced_at": "2026-09-08T16:08:56.200Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01822769"
    },
    {
      "nct_id": "NCT02235441",
      "title": "Effects of Chemoradiation and Surgery on Cardiopulmonary Fitness and Tumor Neoplastic Phenotype in Gastrointestinal Malignancies",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pathologically Proven Gastrointestinal Malignancy",
        "Plan of Care Must Include Chemoradiation"
      ],
      "interventions": [
        {
          "name": "Cardiopulmonary Exercise Test (CPET)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 8,
      "start_date": "2014-11",
      "completion_date": "2016-04-05",
      "has_results": false,
      "last_update_posted_date": "2017-07-11",
      "last_synced_at": "2026-09-08T16:08:56.200Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02235441"
    },
    {
      "nct_id": "NCT05481814",
      "title": "CPX in Paradoxical Low Flow Aortic Stenosis",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aortic Valve Stenosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Henry Ford Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2017-09-30",
      "completion_date": "2022-07-01",
      "has_results": false,
      "last_update_posted_date": "2022-08-01",
      "last_synced_at": "2026-09-08T16:08:56.200Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05481814"
    },
    {
      "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": "2026-09-08T16:08:56.200Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02195999"
    },
    {
      "nct_id": "NCT05164744",
      "title": "Cardiac Magnetic Resonance Tissue Characterization in COVID-19 Survivors",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19 Pneumonia",
        "COVID-19",
        "COVID-19 Respiratory Infection",
        "COVID-19 Acute Respiratory Distress Syndrome",
        "COVID-19 Lower Respiratory Infection",
        "COVID-19 Acute Bronchitis",
        "Coronavirus Disease 2019"
      ],
      "interventions": [
        {
          "name": "Cardiac MRI",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "6-minute walk test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Questionnaire",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 510,
      "start_date": "2021-07-01",
      "completion_date": "2026-07-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-22",
      "last_synced_at": "2026-09-08T16:08:56.200Z",
      "location_count": 3,
      "location_summary": "Brooklyn, New York • New York, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05164744"
    },
    {
      "nct_id": "NCT03212144",
      "title": "The Anti-Inflammatory Effects of Exercise and Peanut Consumption",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Peanut Consumption",
        "High Intensity Aerobic Exercise"
      ],
      "interventions": [
        {
          "name": "High Intensity Interval Training",
          "type": "OTHER"
        },
        {
          "name": "Peanut Consumption",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "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": 3,
      "start_date": "2017-08-20",
      "completion_date": "2019-12-31",
      "has_results": true,
      "last_update_posted_date": "2020-04-06",
      "last_synced_at": "2026-09-08T16:08:56.200Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03212144"
    },
    {
      "nct_id": "NCT01757808",
      "title": "A Study of Ranolazine Acute Administration and Short Term Administration in Pulmonary Arterial Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "Ranolazine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "72 Years",
        "sex": "ALL",
        "summary": "18 Years to 72 Years"
      },
      "enrollment_count": 12,
      "start_date": "2011-08",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2017-03-03",
      "last_synced_at": "2026-09-08T16:08:56.200Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01757808"
    },
    {
      "nct_id": "NCT05678530",
      "title": "Observational, Non-Interventional Study Supporting Validation of VO2Max Estimation Methods Using Results in Patients Receiving Standard of Care Cardiopulmonary Exercise Tests (CPET)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiopulmonary"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Prolaio",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2019-06-06",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-30",
      "last_synced_at": "2026-09-08T16:08:56.200Z",
      "location_count": 15,
      "location_summary": "Scottsdale, Arizona • Palo Alto, California • San Francisco, California + 11 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05678530"
    },
    {
      "nct_id": "NCT04526925",
      "title": "The Effects of Filter During CPET on WOB and Aerosol Particle Concentrations",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Transmission, Patient-Professional"
      ],
      "interventions": [
        {
          "name": "Respiratory filter in-line placed with the standard mouthpiece",
          "type": "DEVICE"
        },
        {
          "name": "Standard mouthpiece",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Rush University Medical Center",
      "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": 10,
      "start_date": "2020-08-29",
      "completion_date": "2020-09-18",
      "has_results": true,
      "last_update_posted_date": "2023-04-26",
      "last_synced_at": "2026-09-08T16:08:56.200Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04526925"
    }
  ]
}