{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=cardiopulmonary+exercise+testing&page=2",
    "query": {
      "intervention": "cardiopulmonary exercise testing",
      "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=cardiopulmonary+exercise+testing&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T02:14:45.434Z",
  "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": "NCT00670111",
      "title": "Restoration of Chronotropic Competence in Heart Failure Patients With Normal Ejection Fraction",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Insignia Plus / Ultra (Guidant/Boston Scientific)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2008-07",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2017-05-19",
      "last_synced_at": "2026-09-27T02:14:45.434Z",
      "location_count": 5,
      "location_summary": "Jonesboro, Arkansas • Louisville, Kentucky • Baltimore, Maryland + 2 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Tyler",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00670111"
    },
    {
      "nct_id": "NCT04083339",
      "title": "Safety and Efficacy of AT-001 in Patients With Diabetic Cardiomyopathy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Diabetic Cardiomyopathies"
      ],
      "interventions": [
        {
          "name": "AT-001",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Applied Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 675,
      "start_date": "2019-09-20",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2022-12-08",
      "last_synced_at": "2026-09-27T02:14:45.434Z",
      "location_count": 28,
      "location_summary": "Beverly Hills, California • La Jolla, California • Lincoln, California + 20 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Lincoln",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Tarzana",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04083339"
    },
    {
      "nct_id": "NCT00753012",
      "title": "Cardiovascular Study of Lisdexamfetamine in Healthy and Hypertensive Attention Deficit Hyperactivity Disorder Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder (ADHD)"
      ],
      "interventions": [
        {
          "name": "Lisdexamfetamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 24,
      "start_date": "2008-04",
      "completion_date": "2011-03",
      "has_results": true,
      "last_update_posted_date": "2012-09-24",
      "last_synced_at": "2026-09-27T02:14:45.434Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00753012"
    },
    {
      "nct_id": "NCT01127061",
      "title": "Study of Exercise Training in Hypertrophic Cardiomyopathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiomyopathy, Hypertrophic"
      ],
      "interventions": [
        {
          "name": "Exercise training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 136,
      "start_date": "2010-04",
      "completion_date": "2016-11",
      "has_results": true,
      "last_update_posted_date": "2019-02-15",
      "last_synced_at": "2026-09-27T02:14:45.434Z",
      "location_count": 2,
      "location_summary": "Stanford, California • Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01127061"
    },
    {
      "nct_id": "NCT00493688",
      "title": "A Study to Determine Whether Perioperative Energy Dynamics Correlates With Postoperative Outcomes",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Abdominal Cancer",
        "Pelvic Cancer"
      ],
      "interventions": [
        {
          "name": "Cardiopulmonary Exercise Testing (CPET)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2005-10-30",
      "completion_date": "2028-10-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-09-27T02:14:45.434Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00493688"
    },
    {
      "nct_id": "NCT02291237",
      "title": "Effect of Eleclazine (GS-6615) on Exercise Capacity in Subjects With Symptomatic Hypertrophic Cardiomyopathy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Hypertrophic Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "Eleclazine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 172,
      "start_date": "2015-02-05",
      "completion_date": "2017-02-17",
      "has_results": true,
      "last_update_posted_date": "2018-09-24",
      "last_synced_at": "2026-09-27T02:14:45.434Z",
      "location_count": 26,
      "location_summary": "Los Angeles, California • Stanford, California • New Haven, Connecticut + 16 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Athens",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02291237"
    },
    {
      "nct_id": "NCT06096675",
      "title": "CAPACITY (Cardiac Amyloidosis and Physical ACtivITY) Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Amyloidosis"
      ],
      "interventions": [
        {
          "name": "• Cardiac Rehabilitation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2024-01-22",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-09-27T02:14:45.434Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06096675"
    },
    {
      "nct_id": "NCT00793338",
      "title": "Evaluation of Sildenafil for the Treatment of Moderate Congestive Heart Failure",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Sildenafil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 0,
      "start_date": "2008-11",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2023-06-26",
      "last_synced_at": "2026-09-27T02:14:45.434Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00793338"
    },
    {
      "nct_id": "NCT03911856",
      "title": "Unmasking Right Ventricular and Pulmonary Derangements With Exercise and Oxygen in Early Stage Cardiopulmonary Diseases",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiopulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Echocardiography",
          "type": "OTHER"
        },
        {
          "name": "Pulmonary Gas Exchange",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 7,
      "start_date": "2020-01-09",
      "completion_date": "2024-01-16",
      "has_results": false,
      "last_update_posted_date": "2024-03-12",
      "last_synced_at": "2026-09-27T02:14:45.434Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03911856"
    },
    {
      "nct_id": "NCT01636570",
      "title": "Vitamin D3 Supplementation for Heart Failure Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure",
        "Vitamin D Deficiency",
        "Cardiomyopathy",
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "Placebo Comparator: Sugar Pill",
          "type": "DRUG"
        },
        {
          "name": "Vitamin D3 (cholecalciferol)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Heidi Moretti, MS, RD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 40,
      "start_date": "2012-08",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2017-04-26",
      "last_synced_at": "2026-09-27T02:14:45.434Z",
      "location_count": 2,
      "location_summary": "Missoula, Montana",
      "locations": [
        {
          "city": "Missoula",
          "state": "Montana"
        },
        {
          "city": "Missoula",
          "state": "Montana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01636570"
    }
  ]
}