{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pacing+Lead&page=2", "query": { "intervention": "Pacing Lead", "page": 2 }, "page_size": 10 }, "pagination": { "page": 2, "page_size": 10, "total_count": 10, "total_pages": 1, "next_page_url": null, "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pacing+Lead&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-09-19T04:07:40.225Z", "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": "NCT00853593", "title": "Model 4396 Left Ventricular (LV) Lead Study", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Heart Failure" ], "interventions": [ { "name": "Pacing Lead", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Medtronic Cardiac Rhythm and Heart Failure", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 197, "start_date": "2009-03", "completion_date": "2010-08", "has_results": true, "last_update_posted_date": "2019-02-18", "last_synced_at": "2026-09-19T04:07:40.225Z", "location_count": 19, "location_summary": "Pasadena, California • Sacramento, California • Atlantis, Florida + 16 more", "locations": [ { "city": "Pasadena", "state": "California" }, { "city": "Sacramento", "state": "California" }, { "city": "Atlantis", "state": "Florida" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Hinsdale", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT00853593" }, { "nct_id": "NCT00560768", "title": "Predictive Risk Stratification Through T Variability in ICD Patients Without Pacing Indications", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Sudden Cardiac Death" ], "interventions": [ { "name": "Ovatio VR 6250 or DR6550", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "LivaNova", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "ALL", "summary": "Not listed" }, "enrollment_count": 198, "start_date": "2007-12", "completion_date": "2012-10", "has_results": false, "last_update_posted_date": "2015-01-12", "last_synced_at": "2026-09-19T04:07:40.225Z", "location_count": 7, "location_summary": "Sheffield, Alabama • Tarzana, California • Atlanta, Georgia + 4 more", "locations": [ { "city": "Sheffield", "state": "Alabama" }, { "city": "Tarzana", "state": "California" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Charlotte", "state": "North Carolina" }, { "city": "Toledo", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT00560768" }, { "nct_id": "NCT05650658", "title": "Left vs Left Randomized Clinical Trial", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Heart Failure", "Heart Failure With Reduced Ejection Fraction", "AV Block", "LBBB", "RBBB", "Intraventricular Conduction Delay", "Pacing-Induced Cardiomyopathy" ], "interventions": [ { "name": "His/LBBP", "type": "DEVICE" }, { "name": "BiVP", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Baylor College of Medicine", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 2136, "start_date": "2023-09-13", "completion_date": "2029-06-30", "has_results": false, "last_update_posted_date": "2025-10-02", "last_synced_at": "2026-09-19T04:07:40.225Z", "location_count": 57, "location_summary": "Gilbert, Arizona • Tucson, Arizona • Little Rock, Arkansas + 46 more", "locations": [ { "city": "Gilbert", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "La Jolla", "state": "California" }, { "city": "Denver", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT05650658" }, { "nct_id": "NCT02803775", "title": "Paced And Sensed Electrical Delay in CRT Therapy (PASED CRT)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Congestive Heart Failure" ], "interventions": [ { "name": "CRT Algorithm", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Deborah Heart and Lung Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 92, "start_date": "2017-02-02", "completion_date": "2019-02-04", "has_results": false, "last_update_posted_date": "2019-09-26", "last_synced_at": "2026-09-19T04:07:40.225Z", "location_count": 1, "location_summary": "Browns Mills, New Jersey", "locations": [ { "city": "Browns Mills", "state": "New Jersey" } ], "official_url": "https://clinicaltrials.gov/study/NCT02803775" }, { "nct_id": "NCT00763698", "title": "Safety and Efficacy Study of the QuickFlex Micro Model 1258T Left Heart Pacing Lead", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Heart Failure" ], "interventions": [ { "name": "QuickFlex Micro Model 1258T Left Heart Lead", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Abbott Medical Devices", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 86, "start_date": "2008-10", "completion_date": "2010-05", "has_results": true, "last_update_posted_date": "2019-02-19", "last_synced_at": "2026-09-19T04:07:40.225Z", "location_count": 13, "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Glendale, California + 9 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Glendale", "state": "California" }, { "city": "Sacramento", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00763698" }, { "nct_id": "NCT00269230", "title": "Attain StarFix™ Model 4195 Left Ventricular Lead", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Heart Failure" ], "interventions": [ { "name": "Pacing Lead", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Medtronic Cardiac Rhythm and Heart Failure", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 441, "start_date": "2004-07", "completion_date": "2005-07", "has_results": false, "last_update_posted_date": "2008-11-20", "last_synced_at": "2026-09-19T04:07:40.225Z", "location_count": 20, "location_summary": "Long Beach, California • Palo Alto, California • Newark, Delaware + 17 more", "locations": [ { "city": "Long Beach", "state": "California" }, { "city": "Palo Alto", "state": "California" }, { "city": "Newark", "state": "Delaware" }, { "city": "Jacksonville", "state": "Florida" }, { "city": "Orlando", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT00269230" }, { "nct_id": "NCT06245304", "title": "Physiologic Pacing for Symptomatic First-Degree Heart Block", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Symptomatic First-degree Heart Block" ], "interventions": [ { "name": "Dual chamber Medtronic pacemaker implantation.", "type": "DEVICE" }, { "name": "DDD-50 pacing program", "type": "OTHER" }, { "name": "AAI-DDD 50 pacing program", "type": "OTHER" } ], "intervention_types": [ "DEVICE", "OTHER" ], "sponsor": "Ascension Health", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 40, "start_date": "2023-10-01", "completion_date": "2025-06-30", "has_results": false, "last_update_posted_date": "2024-02-07", "last_synced_at": "2026-09-19T04:07:40.225Z", "location_count": 1, "location_summary": "Nashville, Tennessee", "locations": [ { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT06245304" }, { "nct_id": "NCT07805525", "title": "Early Feasibility Study of 3830 Lead Implantation Via the Middle Cardiac Vein in Patients With Prior or Planned Tricuspid Valve Intervention", "overall_status": "NOT_YET_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Cardiac Conduction Disorders Requiring Permanent Pacing in Patients With Prior or Planned Tricuspid Valve Intervention" ], "interventions": [ { "name": "Pacemaker", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Minneapolis Heart Institute Foundation", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 10, "start_date": "2026-11", "completion_date": "2028-01", "has_results": false, "last_update_posted_date": "2026-09-04", "last_synced_at": "2026-09-19T04:07:40.225Z", "location_count": 1, "location_summary": "Minneapolis, Minnesota", "locations": [ { "city": "Minneapolis", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT07805525" }, { "nct_id": "NCT00384722", "title": "EASYTRAK 3 Downsize Lead", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2", "PHASE3" ], "conditions": [ "Heart Failure" ], "interventions": [ { "name": "EASYTRAK 3 Downsize Lead", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Boston Scientific Corporation", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 70, "start_date": "2006-03", "completion_date": "2008-05", "has_results": false, "last_update_posted_date": "2009-06-24", "last_synced_at": "2026-09-19T04:07:40.225Z", "location_count": 1, "location_summary": "Saint Paul, Minnesota", "locations": [ { "city": "Saint Paul", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT00384722" }, { "nct_id": "NCT01539629", "title": "ELEVATE (Evaluation of Left Ventricular Autothreshold) 3.0", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Heart Failure" ], "interventions": [ { "name": "Cardiac pacing", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Boston Scientific Corporation", "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": "2012-03", "completion_date": "2012-11", "has_results": false, "last_update_posted_date": "2012-12-05", "last_synced_at": "2026-09-19T04:07:40.225Z", "location_count": 4, "location_summary": "Davenport, Iowa • Yardley, Pennsylvania • Richmond, Virginia + 1 more", "locations": [ { "city": "Davenport", "state": "Iowa" }, { "city": "Yardley", "state": "Pennsylvania" }, { "city": "Richmond", "state": "Virginia" }, { "city": "Wauwatosa", "state": "Wisconsin" } ], "official_url": "https://clinicaltrials.gov/study/NCT01539629" } ] }