{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Electrocardiogram+%28EKG%29&page=4", "query": { "intervention": "Electrocardiogram (EKG)", "page": 4 }, "page_size": 10 }, "pagination": { "page": 4, "page_size": 10, "total_count": 359, "total_pages": 36, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Electrocardiogram+%28EKG%29&page=5&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Electrocardiogram+%28EKG%29&page=3&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-07T12:44:26.388Z", "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": "NCT01516255", "title": "Effect of Liraglutide on Heart Frequency in Healthy Volunteers", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Diabetes", "Diabetes Mellitus, Type 2" ], "interventions": [ { "name": "liraglutide", "type": "DRUG" }, { "name": "placebo", "type": "DRUG" }, { "name": "moxifloxacin", "type": "DRUG" }, { "name": "electrocardiogram (ECG)", "type": "PROCEDURE" } ], "intervention_types": [ "DRUG", "PROCEDURE" ], "sponsor": "Novo Nordisk A/S", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "45 Years", "sex": "ALL", "summary": "18 Years to 45 Years" }, "enrollment_count": 64, "start_date": "2006-07", "completion_date": "2006-11", "has_results": false, "last_update_posted_date": "2017-01-25", "last_synced_at": "2026-10-07T12:44:26.388Z", "location_count": 1, "location_summary": "Fargo, North Dakota", "locations": [ { "city": "Fargo", "state": "North Dakota" } ], "official_url": "https://clinicaltrials.gov/study/NCT01516255" }, { "nct_id": "NCT03541564", "title": "An Investigational Study of Experimental Medication BMS-986165 in Healthy Participants to Study Electrocardiogram Effects", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Systemic Lupus Erythematosus", "Healthy Participants" ], "interventions": [ { "name": "BMS-986165", "type": "DRUG" }, { "name": "Moxifloxacin", "type": "DRUG" }, { "name": "Placebo", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "Bristol-Myers Squibb", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "50 Years", "sex": "ALL", "summary": "18 Years to 50 Years" }, "enrollment_count": 84, "start_date": "2018-05-30", "completion_date": "2018-09-04", "has_results": false, "last_update_posted_date": "2020-01-27", "last_synced_at": "2026-10-07T12:44:26.388Z", "location_count": 1, "location_summary": "Lenexa, Kansas", "locations": [ { "city": "Lenexa", "state": "Kansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03541564" }, { "nct_id": "NCT04247581", "title": "ECG App Algorithms Clinical Validation Study", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Atrial Fibrillation" ], "interventions": [ { "name": "1-lead 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": 546, "start_date": "2020-01-07", "completion_date": "2020-03-20", "has_results": true, "last_update_posted_date": "2021-09-28", "last_synced_at": "2026-10-07T12:44:26.388Z", "location_count": 4, "location_summary": "Phoenix, Arizona • Coral Gables, Florida • Avon, Indiana + 1 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Coral Gables", "state": "Florida" }, { "city": "Avon", "state": "Indiana" }, { "city": "Wichita", "state": "Kansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT04247581" }, { "nct_id": "NCT07362641", "title": "Clinical Validation of Non-Contact Vital Signs", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Vital Sign Evaluation" ], "interventions": [ { "name": "SmartSpectra Vital Signs Monitor measurement", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Presage Technologies, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 111, "start_date": "2025-03-28", "completion_date": "2025-04-21", "has_results": true, "last_update_posted_date": "2026-08-24", "last_synced_at": "2026-10-07T12:44:26.388Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT07362641" }, { "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": "2026-10-07T12:44:26.388Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT03952637" }, { "nct_id": "NCT06041373", "title": "Verily Watch Cardio (AF and ECG) Study", "overall_status": "WITHDRAWN", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Atrial Fibrillation" ], "interventions": [ { "name": "Verily Watch Cardio", "type": "DEVICE" }, { "name": "iRhythm Zio monitor", "type": "DEVICE" }, { "name": "Schiller CARDIOVIT FT-1", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Verily Life Sciences LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": null, "eligibility": { "minimum_age": "22 Years", "maximum_age": null, "sex": "ALL", "summary": "22 Years and older" }, "enrollment_count": 0, "start_date": "2023-11", "completion_date": "2024-11", "has_results": false, "last_update_posted_date": "2023-12-22", "last_synced_at": "2026-10-07T12:44:26.388Z", "location_count": 3, "location_summary": "Lakewood, Colorado • Southfield, Michigan • Winston-Salem, North Carolina", "locations": [ { "city": "Lakewood", "state": "Colorado" }, { "city": "Southfield", "state": "Michigan" }, { "city": "Winston-Salem", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT06041373" }, { "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": "2026-10-07T12:44:26.388Z", "location_count": 1, "location_summary": "Nashville, Tennessee", "locations": [ { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT01205529" }, { "nct_id": "NCT07735403", "title": "Dozee Validation for Contactless Heart Rate and Respiration Monitoring in Clinical Settings", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "No Specific Medical Conditions or Disease States" ], "interventions": [ { "name": "Telemetry monitoring", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Turtle Shell Technologies Pvt. Ltd.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "22 Years", "maximum_age": "100 Years", "sex": "ALL", "summary": "22 Years to 100 Years" }, "enrollment_count": 20, "start_date": "2026-07-15", "completion_date": "2026-12-31", "has_results": false, "last_update_posted_date": "2026-09-21", "last_synced_at": "2026-10-07T12:44:26.388Z", "location_count": 1, "location_summary": "Lake Jackson, Texas", "locations": [ { "city": "Lake Jackson", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT07735403" }, { "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": "2026-10-07T12:44:26.388Z", "location_count": 1, "location_summary": "Durham, North Carolina", "locations": [ { "city": "Durham", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT02235441" }, { "nct_id": "NCT02543294", "title": "REcovery of Left Ventricular Dysfunction in CAncer Patients (RECAP Trial)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Heart Failure", "Cancer Treatment Induced Left Ventricular Dysfunction" ], "interventions": [ { "name": "Echocardiograms", "type": "DEVICE" }, { "name": "Electrocardiogram", "type": "DEVICE" }, { "name": "Symptom Questionnaire", "type": "BEHAVIORAL" }, { "name": "Telephone Follow-Up", "type": "BEHAVIORAL" } ], "intervention_types": [ "DEVICE", "BEHAVIORAL" ], "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": 20, "start_date": "2012-09-10", "completion_date": "2017-09-10", "has_results": true, "last_update_posted_date": "2020-02-05", "last_synced_at": "2026-10-07T12:44:26.388Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT02543294" } ] }