{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Exercise+Electrocardiogram",
    "query": {
      "intervention": "Exercise Electrocardiogram"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 25,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Exercise+Electrocardiogram&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T18:38:07.473Z",
  "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": "NCT06006884",
      "title": "A Study of Post COVID-19 Mechanisms for Chronic Lung Sequelae",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Bronchoscopies and Bronchoalveolar Lavages (BALs)",
          "type": "PROCEDURE"
        },
        {
          "name": "Chest Tomography (CT)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Electrocardiogram (ECG)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Pulmonary function tests (PFTs)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "6 minute walk test (6MWT)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DIAGNOSTIC_TEST"
      ],
      "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": 67,
      "start_date": "2024-01-10",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-09-03T18:38:07.473Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06006884"
    },
    {
      "nct_id": "NCT03674450",
      "title": "Lung Heart Rate Variability",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Non Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Heart Rate Variability Biofeedback Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-01-02",
      "completion_date": "2019-04-11",
      "has_results": false,
      "last_update_posted_date": "2020-04-07",
      "last_synced_at": "2026-09-03T18:38:07.473Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03674450"
    },
    {
      "nct_id": "NCT05857150",
      "title": "Exercise Response in Humans With Obesity",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obese"
      ],
      "interventions": [
        {
          "name": "Treadmill Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Strength Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Dual-Energy X-Ray Absorptiometry",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Muscle Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Fat Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Resting Energy Expenditure",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Magnetic resonance imaging",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "20 Years to 45 Years"
      },
      "enrollment_count": 120,
      "start_date": "2023-09-22",
      "completion_date": "2029-07",
      "has_results": false,
      "last_update_posted_date": "2025-08-29",
      "last_synced_at": "2026-09-03T18:38:07.473Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05857150"
    },
    {
      "nct_id": "NCT07563777",
      "title": "100-Year Human Aging Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aging",
        "Aging Well",
        "All-Cause Mortality",
        "Mortality",
        "Metabolic Syndrome",
        "Cardiovascular Diseases",
        "Cognitive Dysfunction",
        "Musculoskeletal Diseases",
        "Neoplasms",
        "Frailty",
        "Activities of Daily Living",
        "Health-Related Quality of Life",
        "Disability Physical",
        "Neuro-Degenerative Disease",
        "Dementia"
      ],
      "interventions": [
        {
          "name": "Comprehensive Multi-System Clinical Screening",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Longevity Metrics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000000,
      "start_date": "2025-02-09",
      "completion_date": "2099-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-03T18:38:07.473Z",
      "location_count": 1,
      "location_summary": "Boulder, Colorado",
      "locations": [
        {
          "city": "Boulder",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07563777"
    },
    {
      "nct_id": "NCT03702244",
      "title": "The PRECISE Protocol: Prospective Randomized Trial of the Optimal Evaluation of Cardiac Symptoms and Revascularization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "cCTA with selective FFRct",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "HeartFlow, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2103,
      "start_date": "2018-11-27",
      "completion_date": "2022-05-20",
      "has_results": true,
      "last_update_posted_date": "2023-12-29",
      "last_synced_at": "2026-09-03T18:38:07.473Z",
      "location_count": 1,
      "location_summary": "Lake Charles, Louisiana",
      "locations": [
        {
          "city": "Lake Charles",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03702244"
    },
    {
      "nct_id": "NCT04226131",
      "title": "MusculRA: The Effects of Rheumatoid Arthritis on Skeletal Muscle Biomechanics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rheumatoid Arthritis",
        "Healthy Controls"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "OTHER"
        },
        {
          "name": "Disease Activity (DAS-28) Assessment",
          "type": "OTHER"
        },
        {
          "name": "Skeletal Muscle Mitochondrial Respiratory Capacity",
          "type": "OTHER"
        },
        {
          "name": "Muscle Biopsy",
          "type": "OTHER"
        },
        {
          "name": "Body Composition",
          "type": "OTHER"
        },
        {
          "name": "Cardiopulmonary Exercise Test (CPET)",
          "type": "OTHER"
        },
        {
          "name": "Strength Testing",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Skeletal Muscle Biomechanical Property Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "25 Years to 75 Years"
      },
      "enrollment_count": 21,
      "start_date": "2020-09-09",
      "completion_date": "2023-07-07",
      "has_results": false,
      "last_update_posted_date": "2023-07-13",
      "last_synced_at": "2026-09-03T18:38:07.473Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04226131"
    },
    {
      "nct_id": "NCT07058064",
      "title": "WATCH (Wearable Artificial inTelligence for Cardiac Function and Health Monitoring)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lymphoma",
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "Electrocardiogram",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiogram",
          "type": "PROCEDURE"
        },
        {
          "name": "LVEF echocardiogram",
          "type": "PROCEDURE"
        },
        {
          "name": "Apple Watch",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Cardio-pulmonary exercise test",
          "type": "OTHER"
        },
        {
          "name": "6 minute walk test",
          "type": "OTHER"
        },
        {
          "name": "Grip strength test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": 250,
      "start_date": "2025-07-18",
      "completion_date": "2029-06-29",
      "has_results": false,
      "last_update_posted_date": "2025-10-15",
      "last_synced_at": "2026-09-03T18:38:07.473Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07058064"
    },
    {
      "nct_id": "NCT04514354",
      "title": "The Influence of Cardiorespiratory Fitness on Firefighter Cardiovascular Health Under Exercise Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "Post-Exercise Hypotension"
      ],
      "interventions": [
        {
          "name": "GEST",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Connecticut",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2015-04",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2020-08-14",
      "last_synced_at": "2026-09-03T18:38:07.473Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04514354"
    },
    {
      "nct_id": "NCT04625946",
      "title": "Metformin as an Adjunctive Therapy to Catheter Ablation in Atrial Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Recommendations for lifestyle modification.",
          "type": "BEHAVIORAL"
        },
        {
          "name": "AliveCor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 117,
      "start_date": "2021-01-19",
      "completion_date": "2025-08-10",
      "has_results": false,
      "last_update_posted_date": "2025-09-29",
      "last_synced_at": "2026-09-03T18:38:07.473Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04625946"
    },
    {
      "nct_id": "NCT03449888",
      "title": "Arm Exercise Versus Pharmacologic Stress Testing for Clinical Outcome",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Veterans Referred to the St. Louis VAMC Stress Tes"
      ],
      "interventions": [
        {
          "name": "Regadenoson myocardial perfusion imaging stress test",
          "type": "PROCEDURE"
        },
        {
          "name": "Arm exercise electrocardiographic stress test",
          "type": "PROCEDURE"
        },
        {
          "name": "Treadmill electrocardiographic stress test",
          "type": "PROCEDURE"
        },
        {
          "name": "Coronary artery calcium score and cardiac computed tomographic angiography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "21 Years to 100 Years"
      },
      "enrollment_count": 133,
      "start_date": "2018-07-01",
      "completion_date": "2021-02-05",
      "has_results": false,
      "last_update_posted_date": "2022-02-17",
      "last_synced_at": "2026-09-03T18:38:07.473Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03449888"
    }
  ]
}