{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ECG&page=6", "query": { "intervention": "ECG", "page": 6 }, "page_size": 10 }, "pagination": { "page": 6, "page_size": 10, "total_count": 700, "total_pages": 70, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ECG&page=7&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ECG&page=5&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-17T19:03:00.390Z", "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": "NCT03436745", "title": "The Effects of Castration on the Pharmacokinetics of Zolpidem After Single Dose Administration In Men With Prostate Cancer Undergoing Androgen Deprivation Therapy Compared to Normal Healthy Females", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Prostatic Neoplasms" ], "interventions": [ { "name": "Zolpidem", "type": "DRUG" }, { "name": "ECG", "type": "DIAGNOSTIC_TEST" } ], "intervention_types": [ "DRUG", "DIAGNOSTIC_TEST" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 12, "start_date": "2019-01-22", "completion_date": "2024-01-30", "has_results": true, "last_update_posted_date": "2026-06-26", "last_synced_at": "2026-10-17T19:03:00.390Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT03436745" }, { "nct_id": "NCT03769207", "title": "Evaluation of the Use of Apple Watch Features for Identification of Cardiac Arrhythmias", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Atrial Fibrillation", "Arrhythmias, Cardiac", "Atrial Flutter" ], "interventions": [ { "name": "Ambulatory ECG", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Apple Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "22 Years", "maximum_age": null, "sex": "ALL", "summary": "22 Years and older" }, "enrollment_count": 17, "start_date": "2018-12-08", "completion_date": "2019-08-20", "has_results": true, "last_update_posted_date": "2020-10-20", "last_synced_at": "2026-10-17T19:03:00.390Z", "location_count": 1, "location_summary": "Stanford, California", "locations": [ { "city": "Stanford", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03769207" }, { "nct_id": "NCT03952637", "title": "A Phase 1/2 Study of Intravenous Gene Transfer With an AAV9 Vector Expressing Human Beta-galactosidase in Type I and Type II GM1 Gangliosidosis", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Lysosomal Diseases", "Gangliosidosis", "GM1" ], "interventions": [ { "name": "AAV9-GLB1", "type": "BIOLOGICAL" }, { "name": "Abdominal ultrasound", "type": "PROCEDURE" }, { "name": "Rituximab", "type": "DRUG" }, { "name": "Sirolimus", "type": "DRUG" }, { "name": "Methylprednisolone", "type": "DRUG" }, { "name": "Prednisone", "type": "DRUG" }, { "name": "Audiology assessment with ABR", "type": "DIAGNOSTIC_TEST" }, { "name": "Bone density scan (DEXA)", "type": "DIAGNOSTIC_TEST" }, { "name": "Electrocardiogram (EKG)", "type": "DIAGNOSTIC_TEST" }, { "name": "Echocardiogram", "type": "DIAGNOSTIC_TEST" }, { "name": "Electroencephalogram (EEG) awake and extended overnight", "type": "OTHER" }, { "name": "Laboratory tests", "type": "DIAGNOSTIC_TEST" }, { "name": "Lumbar puncture", "type": "PROCEDURE" }, { "name": "Brain MRI/MRS/fMRI", "type": "PROCEDURE" }, { "name": "Neurocognitive testing", "type": "BEHAVIORAL" }, { "name": "Neurology exam", "type": "OTHER" }, { "name": "PICC or other Central line placement", "type": "BEHAVIORAL" }, { "name": "Skeletal survey", "type": "PROCEDURE" }, { "name": "Skin biopsy", "type": "PROCEDURE" }, { "name": "Speech and modified barium swallow study", "type": "PROCEDURE" }, { "name": "Ophthalmology exam", "type": "PROCEDURE" } ], "intervention_types": [ "BIOLOGICAL", "PROCEDURE", "DRUG", "DIAGNOSTIC_TEST", "OTHER", "BEHAVIORAL" ], "sponsor": "National Human Genome Research Institute (NHGRI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "6 Months", "maximum_age": "12 Years", "sex": "ALL", "summary": "6 Months to 12 Years" }, "enrollment_count": 54, "start_date": "2019-08-19", "completion_date": "2030-01-01", "has_results": false, "last_update_posted_date": "2026-09-21", "last_synced_at": "2026-10-17T19:03:00.390Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT03952637" }, { "nct_id": "NCT05534477", "title": "Verily Clinical Study Watch Analytical Validation Study", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Healthy Population", "Chronic Disease" ], "interventions": [ { "name": "Verily Clinical Study Watch", "type": "DEVICE" }, { "name": "Vivalink ECG Patch", "type": "DEVICE" }, { "name": "Modus StepWatch 4", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Verily Life Sciences LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "18 Years to 80 Years" }, "enrollment_count": 100, "start_date": "2023-09-18", "completion_date": "2025-06", "has_results": false, "last_update_posted_date": "2025-04-11", "last_synced_at": "2026-10-17T19:03:00.390Z", "location_count": 1, "location_summary": "South San Francisco, California", "locations": [ { "city": "South San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05534477" }, { "nct_id": "NCT05035407", "title": "T Cell Receptor Gene Therapy Targeting KK-LC-1 for Gastric, Breast, Cervical, Lung and Other KK-LC-1 Positive Epithelial Cancers", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Kita-kyushu Lung Cancer Antigen 1, Human" ], "interventions": [ { "name": "IL-2 (Aldesleukin)", "type": "DRUG" }, { "name": "Cyclophosphamide", "type": "DRUG" }, { "name": "KK-LC-1 TCR", "type": "BIOLOGICAL" }, { "name": "Fludarabine", "type": "DRUG" }, { "name": "EKG", "type": "DIAGNOSTIC_TEST" }, { "name": "CXR", "type": "DIAGNOSTIC_TEST" }, { "name": "CT", "type": "DIAGNOSTIC_TEST" }, { "name": "MRI", "type": "DIAGNOSTIC_TEST" }, { "name": "PET", "type": "DIAGNOSTIC_TEST" }, { "name": "Biopsy", "type": "PROCEDURE" }, { "name": "Acetaminophen", "type": "DRUG" }, { "name": "Ondansetron", "type": "DRUG" }, { "name": "Meperidine", "type": "DRUG" }, { "name": "Indomethacin", "type": "DRUG" }, { "name": "Famotidine", "type": "DRUG" } ], "intervention_types": [ "DRUG", "BIOLOGICAL", "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": 36, "start_date": "2022-03-08", "completion_date": "2025-07-16", "has_results": true, "last_update_posted_date": "2025-12-02", "last_synced_at": "2026-10-17T19:03:00.390Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT05035407" }, { "nct_id": "NCT00056251", "title": "Interstitial Cystitis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Interstitial Cystitis" ], "interventions": [ { "name": "H&P; ECG; Blood tests; voiding diary; Cystoscopy", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "ICOS Corporation", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "70 Years", "sex": "ALL", "summary": "18 Years to 70 Years" }, "enrollment_count": 150, "start_date": "2003-01", "completion_date": "2003-08", "has_results": false, "last_update_posted_date": "2005-06-24", "last_synced_at": "2026-10-17T19:03:00.390Z", "location_count": 24, "location_summary": "Anchorage, Alaska • Glendora, California • La Mesa, California + 20 more", "locations": [ { "city": "Anchorage", "state": "Alaska" }, { "city": "Glendora", "state": "California" }, { "city": "La Mesa", "state": "California" }, { "city": "Long Beach", "state": "California" }, { "city": "Stanford", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00056251" }, { "nct_id": "NCT05324566", "title": "Evaluation of ECG Transmission and AI Models Using Apple Watch ECGs and Symptoms Data Collected Using a Mayo iPhone App", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Heart Failure", "Arrhythmias, Cardiac", "Health Care Utilization" ], "interventions": [], "intervention_types": [], "sponsor": "Mayo Clinic", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 4163, "start_date": "2021-05-05", "completion_date": "2024-07-09", "has_results": false, "last_update_posted_date": "2024-09-19", "last_synced_at": "2026-10-17T19:03:00.390Z", "location_count": 1, "location_summary": "Rochester, Minnesota", "locations": [ { "city": "Rochester", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT05324566" }, { "nct_id": "NCT07178145", "title": "Epicardial Adipose Tissue Composition and Heart Failure With Preserved Ejection Fraction", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Heart Failure Preserved Ejection Fraction", "Epicardial Adipose Tissue" ], "interventions": [ { "name": "GLP-1RA", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Virginia", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "90 Years", "sex": "ALL", "summary": "18 Years to 90 Years" }, "enrollment_count": 192, "start_date": "2025-11-20", "completion_date": "2029-12", "has_results": false, "last_update_posted_date": "2026-08-11", "last_synced_at": "2026-10-17T19:03:00.390Z", "location_count": 1, "location_summary": "Charlottesville, Virginia", "locations": [ { "city": "Charlottesville", "state": "Virginia" } ], "official_url": "https://clinicaltrials.gov/study/NCT07178145" }, { "nct_id": "NCT00169975", "title": "Efficacy of the CMI Magnetocardiograph in Diagnosing Acute Coronary Syndromes in Patients Presenting With High Risk Unstable Angina.", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Myocardial Ischemia" ], "interventions": [ { "name": "Magnetocardiograph", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "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": 137, "start_date": "2004-08", "completion_date": "2008-02", "has_results": false, "last_update_posted_date": "2011-07-18", "last_synced_at": "2026-10-17T19:03:00.390Z", "location_count": 1, "location_summary": "Rochester, Minnesota", "locations": [ { "city": "Rochester", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT00169975" }, { "nct_id": "NCT01256346", "title": "Electrocardiography Versus Pulse Oximetry for Newborn Heart Rate Determination", "overall_status": "WITHDRAWN", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Prematurity" ], "interventions": [ { "name": "Apparatuses", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "University of Oklahoma", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "20 Minutes", "sex": "ALL", "summary": "Up to 20 Minutes" }, "enrollment_count": 0, "start_date": "2011-04", "completion_date": "2011-04", "has_results": false, "last_update_posted_date": "2014-12-02", "last_synced_at": "2026-10-17T19:03:00.390Z", "location_count": 1, "location_summary": "Oklahoma City, Oklahoma", "locations": [ { "city": "Oklahoma City", "state": "Oklahoma" } ], "official_url": "https://clinicaltrials.gov/study/NCT01256346" } ] }