{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Leadless+Pacemaker", "query": { "intervention": "Leadless Pacemaker" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 21, "total_pages": 3, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Leadless+Pacemaker&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-03T22:56:52.415Z", "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": "NCT04798768", "title": "Effectiveness of the EMPOWER™ Modular Pacing System and EMBLEM™ Subcutaneous ICD to Communicate Antitachycardia Pacing", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Tachycardia, Ventricular", "Arrhythmia, Ventricular" ], "interventions": [ { "name": "mCRM Therapy System", "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": 297, "start_date": "2021-07-20", "completion_date": "2030-12-31", "has_results": true, "last_update_posted_date": "2026-07-23", "last_synced_at": "2026-09-03T22:56:52.415Z", "location_count": 18, "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Jonesboro, Arkansas + 14 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Scottsdale", "state": "Arizona" }, { "city": "Jonesboro", "state": "Arkansas" }, { "city": "Orlando", "state": "Florida" }, { "city": "Atlanta", "state": "Georgia" } ], "official_url": "https://clinicaltrials.gov/study/NCT04798768" }, { "nct_id": "NCT02030418", "title": "The LEADLESS II IDE Study for the Nanostim Leadless Pacemaker", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Bradycardia" ], "interventions": [ { "name": "Leadless Pacemaker", "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": 952, "start_date": "2014-02", "completion_date": "2022-07-15", "has_results": true, "last_update_posted_date": "2025-07-09", "last_synced_at": "2026-09-03T22:56:52.415Z", "location_count": 50, "location_summary": "Birmingham, Alabama • Huntsville, Alabama • La Jolla, California + 43 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Huntsville", "state": "Alabama" }, { "city": "La Jolla", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Mountain View", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02030418" }, { "nct_id": "NCT04559945", "title": "The LEADLESS II IDE Study for the Aveir VR Leadless Pacemaker System", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Cardiac Rhythm Disorder", "Bradycardia" ], "interventions": [ { "name": "Aveir VR Leadless Pacemaker System", "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": 1276, "start_date": "2020-11-13", "completion_date": "2023-09-15", "has_results": true, "last_update_posted_date": "2026-05-20", "last_synced_at": "2026-09-03T22:56:52.415Z", "location_count": 38, "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Scottsdale, Arizona + 32 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Huntsville", "state": "Alabama" }, { "city": "Scottsdale", "state": "Arizona" }, { "city": "Long Beach", "state": "California" }, { "city": "Newport Beach", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04559945" }, { "nct_id": "NCT07638995", "title": "Single Chamber Atrial Leadless Pacing for Isolated Sinus Node Dysfunction", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Atrial Fibrillation" ], "interventions": [ { "name": "Implantable Loop Recorder", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Northwell Health", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 50, "start_date": "2026-05-18", "completion_date": "2029-12-31", "has_results": false, "last_update_posted_date": "2026-06-10", "last_synced_at": "2026-09-03T22:56:52.415Z", "location_count": 6, "location_summary": "Bay Shore, New York • Huntington, New York • Manhasset, New York + 3 more", "locations": [ { "city": "Bay Shore", "state": "New York" }, { "city": "Huntington", "state": "New York" }, { "city": "Manhasset", "state": "New York" }, { "city": "New Hyde Park", "state": "New York" }, { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT07638995" }, { "nct_id": "NCT04245345", "title": "Accelerometer Sensing for Micra AV Study", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "AV Block", "AV Block Complete", "3rd Degree Heart Block", "Complete Heart Block" ], "interventions": [ { "name": "Accelerometer Sensing for Micra AV Study", "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": 157, "start_date": "2020-06-09", "completion_date": "2022-01-10", "has_results": true, "last_update_posted_date": "2023-02-23", "last_synced_at": "2026-09-03T22:56:52.415Z", "location_count": 18, "location_summary": "Stockton, California • Jacksonville, Florida • Leesburg, Florida + 14 more", "locations": [ { "city": "Stockton", "state": "California" }, { "city": "Jacksonville", "state": "Florida" }, { "city": "Leesburg", "state": "Florida" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Manchester", "state": "New Hampshire" } ], "official_url": "https://clinicaltrials.gov/study/NCT04245345" }, { "nct_id": "NCT05252702", "title": "Aveir DR i2i Study", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Cardiac Pacemaker, Artificial", "Cardiac Rhythm Disorder", "Bradycardia" ], "interventions": [ { "name": "Aveir DR Leadless Pacemaker System", "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": 464, "start_date": "2022-02-02", "completion_date": "2026-02-03", "has_results": true, "last_update_posted_date": "2026-05-27", "last_synced_at": "2026-09-03T22:56:52.415Z", "location_count": 54, "location_summary": "Scottsdale, Arizona • Jonesboro, Arkansas • Little Rock, Arkansas + 44 more", "locations": [ { "city": "Scottsdale", "state": "Arizona" }, { "city": "Jonesboro", "state": "Arkansas" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05252702" }, { "nct_id": "NCT05270499", "title": "Aveir VR Real-World Evidence Post-Approval Study", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Cardiac Pacemaker", "Arrythmia", "Bradycardia" ], "interventions": [ { "name": "Aveir VR Leadless Pacemaker System", "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": 3427, "start_date": "2022-06-21", "completion_date": "2034-09-30", "has_results": false, "last_update_posted_date": "2026-05-20", "last_synced_at": "2026-09-03T22:56:52.415Z", "location_count": 1, "location_summary": "Sylmar, California", "locations": [ { "city": "Sylmar", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05270499" }, { "nct_id": "NCT05336877", "title": "Aveir VR Coverage With Evidence Development Post-Approval Study", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Cardiac Pacemaker", "Arrythmia", "Bradycardia" ], "interventions": [ { "name": "Aveir VR Leadless Pacemaker System", "type": "DEVICE" }, { "name": "Single-Chamber Transvenous Pacemaker", "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": 8744, "start_date": "2022-06-21", "completion_date": "2028-01-01", "has_results": false, "last_update_posted_date": "2025-07-31", "last_synced_at": "2026-09-03T22:56:52.415Z", "location_count": 1, "location_summary": "Sylmar, California", "locations": [ { "city": "Sylmar", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05336877" }, { "nct_id": "NCT06100770", "title": "Aveir AR Coverage With Evidence Development (CED) Study", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Cardiac Pacemaker", "Arrhythmia", "Bradycardia" ], "interventions": [ { "name": "Aveir AR Leadless Pacemaker", "type": "DEVICE" }, { "name": "Single-chamber atrial transvenous pacemaker", "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": 586, "start_date": "2024-01-18", "completion_date": "2031-01", "has_results": false, "last_update_posted_date": "2025-04-04", "last_synced_at": "2026-09-03T22:56:52.415Z", "location_count": 1, "location_summary": "Sylmar, California", "locations": [ { "city": "Sylmar", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT06100770" }, { "nct_id": "NCT06837870", "title": "Percutaneous Closure Versus Figure-of-eight Suture for Hemostasis in Leadless Pacemaker Implantation.", "overall_status": "ENROLLING_BY_INVITATION", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Vascular Closure", "Pacemaker Implantation", "Leadless Pacemaker" ], "interventions": [ { "name": "percutaneous suture mediated closure", "type": "DEVICE" }, { "name": "Figure of Eight Suture", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "University of Massachusetts, Worcester", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 50, "start_date": "2025-07-11", "completion_date": "2027-01-01", "has_results": false, "last_update_posted_date": "2026-03-27", "last_synced_at": "2026-09-03T22:56:52.415Z", "location_count": 1, "location_summary": "Worcester, Massachusetts", "locations": [ { "city": "Worcester", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT06837870" } ] }