{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Electrocardiogram+%28ECG%29&page=15", "query": { "intervention": "Electrocardiogram (ECG)", "page": 15 }, "page_size": 10 }, "pagination": { "page": 15, "page_size": 10, "total_count": 362, "total_pages": 37, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Electrocardiogram+%28ECG%29&page=16&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Electrocardiogram+%28ECG%29&page=14&page_size=10" }, "source": "remote", "last_synced_at": "2026-11-15T14:08:55.156Z", "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": "NCT01210846", "title": "A Cardiac Safety Study of Tivozanib to Evaluate the Electrocardiogram and Pharmacokinetic-Electrocardiogram Dynamics in Subjects With Advanced Solid Tumors", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Advanced Solid Tumors" ], "interventions": [ { "name": "tivozanib", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "AVEO Pharmaceuticals, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 50, "start_date": "2010-10", "completion_date": "2011-07", "has_results": false, "last_update_posted_date": "2011-09-26", "last_synced_at": "2026-11-15T14:08:55.156Z", "location_count": 8, "location_summary": "Scottsdale, Arizona • Fort Myers, Florida • Lafayette, Indiana + 5 more", "locations": [ { "city": "Scottsdale", "state": "Arizona" }, { "city": "Fort Myers", "state": "Florida" }, { "city": "Lafayette", "state": "Indiana" }, { "city": "Metairie", "state": "Louisiana" }, { "city": "Rockville", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT01210846" }, { "nct_id": "NCT04739813", "title": "Venetoclax, Ibrutinib, Prednisone, Obinutuzumab, and Revlimid in Combination With Polatuzumab (ViPOR-P) in Relapsed/Refractory B-cell Lymphoma", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Lymphoma", "Non-Hodgkin Lymphoma", "Diffuse Large B-Cell Lymphoma", "Burkitt Lymphoma" ], "interventions": [ { "name": "Obinutuzumab", "type": "BIOLOGICAL" }, { "name": "Prednisone", "type": "DRUG" }, { "name": "Revlimid", "type": "DRUG" }, { "name": "Polatuzumab", "type": "BIOLOGICAL" }, { "name": "Ibrutinib", "type": "DRUG" }, { "name": "Venetoclax", "type": "DRUG" }, { "name": "EKG", "type": "DIAGNOSTIC_TEST" }, { "name": "Bone marrow aspiration", "type": "PROCEDURE" }, { "name": "Bone marrow biopsy", "type": "PROCEDURE" }, { "name": "CT", "type": "DIAGNOSTIC_TEST" }, { "name": "MRI", "type": "DIAGNOSTIC_TEST" }, { "name": "PET", "type": "DIAGNOSTIC_TEST" }, { "name": "Tumor tissue/Biopsy", "type": "PROCEDURE" }, { "name": "Acetaminophen", "type": "DRUG" }, { "name": "Diphenhydramine", "type": "DRUG" }, { "name": "Polatuzumab", "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": 49, "start_date": "2021-07-09", "completion_date": "2031-05-07", "has_results": true, "last_update_posted_date": "2026-11-12", "last_synced_at": "2026-11-15T14:08:55.156Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT04739813" }, { "nct_id": "NCT01044901", "title": "Cardiovascular Complications of Sickle Cell Disease", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Sickle Cell Disease" ], "interventions": [ { "name": "MRI, Transthoracic Echocardiography, tonometry, EKG", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "University of Chicago", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 51, "start_date": "2009-03", "completion_date": "2021-02", "has_results": true, "last_update_posted_date": "2022-02-23", "last_synced_at": "2026-11-15T14:08:55.156Z", "location_count": 1, "location_summary": "Chicago, Illinois", "locations": [ { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT01044901" }, { "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": "2026-11-15T14:08:55.156Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT03952637" }, { "nct_id": "NCT03954626", "title": "Study to Collect Safety and ECG Data on Brolucizumab 6 mg Intravitreal Treatment in Patients With Wet AMD", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Age-Related Macular Degeneration", "Macular Degeneration", "Wet Macular Degeneration", "Retinal Degeneration", "Retinal Diseases", "Eye Diseases" ], "interventions": [ { "name": "brolucuzumab 6 mg IVT", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Novartis Pharmaceuticals", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "50 Years", "maximum_age": null, "sex": "ALL", "summary": "50 Years and older" }, "enrollment_count": 14, "start_date": "2019-06-07", "completion_date": "2019-07-31", "has_results": true, "last_update_posted_date": "2021-01-05", "last_synced_at": "2026-11-15T14:08:55.156Z", "location_count": 2, "location_summary": "Phoenix, Arizona • Abilene, Texas", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Abilene", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03954626" }, { "nct_id": "NCT04369391", "title": "A Clinical Study to Investigate the Effect of an Investigational Drug on Electrocardiogram Intervals in Adults With Schizophrenia.", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Schizophrenia" ], "interventions": [ { "name": "SEP363856 150 mg", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" }, { "name": "moxifloxacin 400 mg", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.", "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": 150, "start_date": "2020-06-18", "completion_date": "2020-11-10", "has_results": false, "last_update_posted_date": "2024-06-26", "last_synced_at": "2026-11-15T14:08:55.156Z", "location_count": 7, "location_summary": "Little Rock, Arkansas • Long Beach, California • Pico Rivera, California + 4 more", "locations": [ { "city": "Little Rock", "state": "Arkansas" }, { "city": "Long Beach", "state": "California" }, { "city": "Pico Rivera", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "Hollywood", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT04369391" }, { "nct_id": "NCT03775954", "title": "Fetal Electrophysiologic Abnormalities in High-Risk Pregnancies Associated With Fetal Demise", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "High Risk Pregnancy", "Congenital Heart Disease", "Fetal Hydrops", "Twin Monochorionic Monoamniotic Placenta", "Gastroschisis", "Fetal Demise", "Stillbirth", "Fetal Arrhythmia", "Long QT Syndrome", "Intrauterine Fetal Death", "Sudden Infant Death", "Pregnancy Loss", "Twin Twin Transfusion Syndrome", "Birth Defect", "Fetal Cardiac Anomaly", "Fetal Cardiac Disorder", "Fetal Death", "Brugada Syndrome", "Fetal Tachycardia" ], "interventions": [ { "name": "Fetal Magnetocardiogram and Neonatal Electrocardiogram", "type": "DIAGNOSTIC_TEST" }, { "name": "Substudy only: Maternal/Infant Pharmacogenomic assessment postnatally", "type": "GENETIC" } ], "intervention_types": [ "DIAGNOSTIC_TEST", "GENETIC" ], "sponsor": "Medical College of Wisconsin", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "FEMALE", "summary": "18 Years and older · Female only" }, "enrollment_count": 30, "start_date": "2018-07-01", "completion_date": "2028-11-30", "has_results": false, "last_update_posted_date": "2026-03-04", "last_synced_at": "2026-11-15T14:08:55.156Z", "location_count": 2, "location_summary": "Madison, Wisconsin • Milwaukee, Wisconsin", "locations": [ { "city": "Madison", "state": "Wisconsin" }, { "city": "Milwaukee", "state": "Wisconsin" } ], "official_url": "https://clinicaltrials.gov/study/NCT03775954" }, { "nct_id": "NCT06151184", "title": "Post-concussion Syndrome and Chiropractic", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Post-Concussion Syndrome" ], "interventions": [ { "name": "Chiropractic adjustment", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "Life University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 3, "start_date": "2024-01-27", "completion_date": "2026-01-31", "has_results": false, "last_update_posted_date": "2026-03-25", "last_synced_at": "2026-11-15T14:08:55.156Z", "location_count": 1, "location_summary": "Marietta, Georgia", "locations": [ { "city": "Marietta", "state": "Georgia" } ], "official_url": "https://clinicaltrials.gov/study/NCT06151184" }, { "nct_id": "NCT01365806", "title": "Home Electrocardiogram (ECG) Monitoring After Heart Transplantation", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Cardiac Transplant Rejection", "Qt Interval, Variation in" ], "interventions": [], "intervention_types": [], "sponsor": "University of California, Los Angeles", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 345, "start_date": "2011-08", "completion_date": "2016-01", "has_results": false, "last_update_posted_date": "2017-03-08", "last_synced_at": "2026-11-15T14:08:55.156Z", "location_count": 3, "location_summary": "Los Angeles, California • New York, New York", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT01365806" }, { "nct_id": "NCT00565916", "title": "Evaluating the Roles of Estrogen and Progesterone in Heart Metabolism", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Postmenopausal Syndrome" ], "interventions": [ { "name": "Estrogen", "type": "DRUG" }, { "name": "Progesterone", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Washington University School of Medicine", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "55 Years", "maximum_age": "75 Years", "sex": "FEMALE", "summary": "55 Years to 75 Years · Female only" }, "enrollment_count": 22, "start_date": "2004-08", "completion_date": "2008-01", "has_results": true, "last_update_posted_date": "2018-10-16", "last_synced_at": "2026-11-15T14:08:55.156Z", "location_count": 1, "location_summary": "St Louis, Missouri", "locations": [ { "city": "St Louis", "state": "Missouri" } ], "official_url": "https://clinicaltrials.gov/study/NCT00565916" } ] }