{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Electrocardiogram+%28EKG%29&page=2", "query": { "intervention": "Electrocardiogram (EKG)", "page": 2 }, "page_size": 10 }, "pagination": { "page": 2, "page_size": 10, "total_count": 358, "total_pages": 36, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Electrocardiogram+%28EKG%29&page=3&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Electrocardiogram+%28EKG%29&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-01T11:57:51.445Z", "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": "NCT06892938", "title": "Detection and Classification of Cardiac Rhythm and Atrial Fibrillation Using a Finger-worn Ring", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Atrial Fibrillation (AF)", "Arrhythmias Cardiac", "Tachycardia", "Palpitations", "Bradycardia" ], "interventions": [ { "name": "Atrial Fibrillation Identification", "type": "DIAGNOSTIC_TEST" } ], "intervention_types": [ "DIAGNOSTIC_TEST" ], "sponsor": "Everbeat", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 232, "start_date": "2024-09-17", "completion_date": "2025-04-01", "has_results": false, "last_update_posted_date": "2025-03-27", "last_synced_at": "2026-10-01T11:57:51.445Z", "location_count": 3, "location_summary": "La Jolla, California • Baton Rouge, Louisiana • Pittsburgh, Pennsylvania", "locations": [ { "city": "La Jolla", "state": "California" }, { "city": "Baton Rouge", "state": "Louisiana" }, { "city": "Pittsburgh", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT06892938" }, { "nct_id": "NCT04655443", "title": "Risk Factors That Contribute to the Maintenance of Sinus Rhythm", "overall_status": "TERMINATED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Atrial Fibrillation" ], "interventions": [ { "name": "Standard Care", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Danbury Hospital", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 77, "start_date": "2017-08-29", "completion_date": "2021-02-03", "has_results": false, "last_update_posted_date": "2021-07-14", "last_synced_at": "2026-10-01T11:57:51.445Z", "location_count": 1, "location_summary": "Danbury, Connecticut", "locations": [ { "city": "Danbury", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT04655443" }, { "nct_id": "NCT04430582", "title": "Cognition in Patients With Hypoglycemia, Without Diabetes", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Hypoglycemia", "Cognition" ], "interventions": [ { "name": "Cognitive Assessment (not diagnostic)", "type": "OTHER" }, { "name": "ECG", "type": "DIAGNOSTIC_TEST" } ], "intervention_types": [ "OTHER", "DIAGNOSTIC_TEST" ], "sponsor": "Joslin Diabetes Center", "sponsor_class": "OTHER", "healthy_volunteers": null, "eligibility": { "minimum_age": "18 Years", "maximum_age": "70 Years", "sex": "ALL", "summary": "18 Years to 70 Years" }, "enrollment_count": 22, "start_date": "2020-08-04", "completion_date": "2021-08-04", "has_results": true, "last_update_posted_date": "2024-11-04", "last_synced_at": "2026-10-01T11:57:51.445Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT04430582" }, { "nct_id": "NCT02858310", "title": "E7 TCR T Cells for Human Papillomavirus-Associated Cancers", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Papillomavirus Infections", "Cervical Intraepithelial Neoplasia", "Carcinoma In Situ", "Vulvar Neoplasms", "Vulvar Diseases" ], "interventions": [ { "name": "E7 TCR cells", "type": "BIOLOGICAL" }, { "name": "Aldesleukin", "type": "DRUG" }, { "name": "Fludarabine", "type": "DRUG" }, { "name": "Cyclophosphamide", "type": "DRUG" }, { "name": "EKG", "type": "DIAGNOSTIC_TEST" }, { "name": "Biopsy", "type": "PROCEDURE" }, { "name": "Chest CT and MRI or PET", "type": "DIAGNOSTIC_TEST" }, { "name": "PFT", "type": "DIAGNOSTIC_TEST" }, { "name": "Granisetron", "type": "DRUG" }, { "name": "Ondansetron", "type": "DRUG" }, { "name": "Droperidol", "type": "DRUG" }, { "name": "Prochlorperazine", "type": "DRUG" }, { "name": "Diphenoxylate HCL", "type": "DRUG" }, { "name": "Atropine sulfate", "type": "DRUG" }, { "name": "Codeine sulfate", "type": "DRUG" }, { "name": "Loperamide", "type": "DRUG" }, { "name": "Indomethacin", "type": "DRUG" }, { "name": "Acetaminophen", "type": "DRUG" }, { "name": "Diphenhydramine HCL", "type": "DRUG" }, { "name": "Hydroxyzine HCL", "type": "DRUG" }, { "name": "Meperidine", "type": "DRUG" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "DIAGNOSTIC_TEST", "PROCEDURE" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "120 Years", "sex": "ALL", "summary": "18 Years to 120 Years" }, "enrollment_count": 224, "start_date": "2017-01-27", "completion_date": "2025-07-02", "has_results": true, "last_update_posted_date": "2026-03-09", "last_synced_at": "2026-10-01T11:57:51.445Z", "location_count": 2, "location_summary": "Bethesda, Maryland • New Brunswick, New Jersey", "locations": [ { "city": "Bethesda", "state": "Maryland" }, { "city": "New Brunswick", "state": "New Jersey" } ], "official_url": "https://clinicaltrials.gov/study/NCT02858310" }, { "nct_id": "NCT06870591", "title": "Pivotal Study for the Cardiac Performance System (CPS)", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Cardiovascular Diseases" ], "interventions": [ { "name": "Cardiac Performance System (CPS)", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Sensydia Corporation", "sponsor_class": "INDUSTRY", "healthy_volunteers": null, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 1000, "start_date": "2025-04-22", "completion_date": "2026-05-30", "has_results": false, "last_update_posted_date": "2026-04-24", "last_synced_at": "2026-10-01T11:57:51.445Z", "location_count": 10, "location_summary": "Huntsville, Alabama • Evanston, Illinois • Hackensack, New Jersey + 7 more", "locations": [ { "city": "Huntsville", "state": "Alabama" }, { "city": "Evanston", "state": "Illinois" }, { "city": "Hackensack", "state": "New Jersey" }, { "city": "Neptune City", "state": "New Jersey" }, { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT06870591" }, { "nct_id": "NCT03811795", "title": "Cryoballoon vs. Rhythmia Guided Ablation for Recurrent AFib", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Atrial Fibrillation" ], "interventions": [ { "name": "ECG monitoring with a Kardia Mobile monitor", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Valley Health System", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "100 Years", "sex": "ALL", "summary": "18 Years to 100 Years" }, "enrollment_count": 9, "start_date": "2018-11-27", "completion_date": "2022-04-26", "has_results": false, "last_update_posted_date": "2026-06-24", "last_synced_at": "2026-10-01T11:57:51.445Z", "location_count": 3, "location_summary": "West Des Moines, Iowa • Paramus, New Jersey • Springfield, Oregon", "locations": [ { "city": "West Des Moines", "state": "Iowa" }, { "city": "Paramus", "state": "New Jersey" }, { "city": "Springfield", "state": "Oregon" } ], "official_url": "https://clinicaltrials.gov/study/NCT03811795" }, { "nct_id": "NCT01205529", "title": "ST-segment Elevation as an AF Endophenotype", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Atrial Fibrillation" ], "interventions": [ { "name": "Procainamide", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Vanderbilt University Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 161, "start_date": "2010-11", "completion_date": "2015-06", "has_results": true, "last_update_posted_date": "2018-05-02", "last_synced_at": "2026-10-01T11:57:51.445Z", "location_count": 1, "location_summary": "Nashville, Tennessee", "locations": [ { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT01205529" }, { "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": "2026-09-08", "last_synced_at": "2026-10-01T11:57:51.445Z", "location_count": 1, "location_summary": "Boulder, Colorado", "locations": [ { "city": "Boulder", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT07563777" }, { "nct_id": "NCT01903564", "title": "Fetal and Neonatal Magnetophysiology", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Fetal Arrhythmia", "Abnormality in Fetal Heart Rate or Rhythm", "Long QT Syndrome" ], "interventions": [ { "name": "magnetocardiography", "type": "DEVICE" }, { "name": "postnatal ECG", "type": "DEVICE" }, { "name": "fetal echocardiography", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "University of Wisconsin, Madison", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "60 Years", "sex": "FEMALE", "summary": "18 Years to 60 Years · Female only" }, "enrollment_count": 39, "start_date": "2014-03", "completion_date": "2018-06", "has_results": true, "last_update_posted_date": "2019-05-29", "last_synced_at": "2026-10-01T11:57:51.445Z", "location_count": 1, "location_summary": "Madison, Wisconsin", "locations": [ { "city": "Madison", "state": "Wisconsin" } ], "official_url": "https://clinicaltrials.gov/study/NCT01903564" }, { "nct_id": "NCT03173950", "title": "Immune Checkpoint Inhibitor Nivolumab in People With Recurrent Select Rare CNS Cancers", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Medulloblastoma", "Ependymoma", "Pineal Region Tumors", "Choroid Plexus Tumors", "Atypical/Malignant Meningioma" ], "interventions": [ { "name": "Nivolumab", "type": "DRUG" }, { "name": "EKG", "type": "DIAGNOSTIC_TEST" }, { "name": "MRI Brain and/or spine", "type": "DIAGNOSTIC_TEST" }, { "name": "Body CT Scan", "type": "DIAGNOSTIC_TEST" }, { "name": "MDASI-BT", "type": "OTHER" }, { "name": "MDASI-SP", "type": "OTHER" } ], "intervention_types": [ "DRUG", "DIAGNOSTIC_TEST", "OTHER" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "99 Years", "sex": "ALL", "summary": "18 Years to 99 Years" }, "enrollment_count": 136, "start_date": "2017-07-13", "completion_date": "2025-06-23", "has_results": true, "last_update_posted_date": "2026-08-18", "last_synced_at": "2026-10-01T11:57:51.445Z", "location_count": 3, "location_summary": "Chicago, Illinois • Bethesda, Maryland • Houston, Texas", "locations": [ { "city": "Chicago", "state": "Illinois" }, { "city": "Bethesda", "state": "Maryland" }, { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03173950" } ] }