Lead EvaluAtion for Defibrillation and Reliability (LEADR) / Lead Evaluation for Defibrillation and Reliability in Left Bundle Branch Area Pacing (LEADR LBBAP)
Summary
The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →
Investigators
The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.
- Pugazhendhi Vijayaraman, MD
Geisinger Medical Center (LEADR LBBAP)
Principal InvestigatorKOL profile →
A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.
Sites
55 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.
- Leadr & Leadr Lbbap: the Prince Charles Hospital
Chermside, Queensland, Australia
- Leadr: Ashford Hospital
Ashford, South Australia, Australia
- Leadr & Leadr Lbbap: Royal Adelaide
Norwood, South Australia, Australia
- Leadr &leadr Lbbap: Canberra Hospital
Garran, Australia
- Leadr: Universitätsklinikum Krems
Krems, Mitterweg, Austria
- Leadr Lbbap: Universitair Ziekenhuis Antwerpen
Edegem, Antwerp, Belgium
- Leadr: University of Calgary
Calgary, Alberta, Canada
- Leadr: Southlake Regional Health Centre
Newmarket, Ontario, Canada
- Leadr & Leadr Lbbap: Institut Universitaire de Cardiologie Et de Pneumologie de Quebec
Québec, Quebec, Canada
- Leadr: Shanxi Cardiovascular Hospital
Taiyuan, Shanxi, China
- Leadr & Leadr Lbbap: West China Hospital of Sichuan University
Chengdu, China
- Leadr: Rigshospitalet
Copenhagen, Denmark
- Leadr: Centre Hospitalier Universitaire de Grenoble - Site Nord
La Tronche, France
- Leadr Lbbap: Oc Santé - Clinique Du Millénaire
Montpellier, France
- Leadr: Chu Hôpitaux de Rouen - Hôpital Charles Nicolle
Rouen, France
- Leadr: Klinikum Bielefeld Kardiologie
Bielefeld, Bielefeld, Germany
- Leadr & Leadr Lbbap: Queen Mary Hospital
Hong Kong, Hong Kong
- Leadr: Princess Margaret Hospital
Lai Chi Kok, Hong Kong
- Leadr: Azienda Socio Sanitaria Territoriale (asst) Papa Giovanni Xxiii
Bergamo, Italy
- Leadr & Leadr Lbbap: Kokura Memorial Hospital
Kitakyushu, Fukuoka, Japan
- Leadr & Leadr Lbbap: National Cerebral and Cardiovascular Center
Suita, Osaka, Japan
- Leadr: Tokyo Women'S Medical University Hospital
Shinjuku-Ku, Tokyo, Japan
- Leadr & Leadr Lbbap: Institut Jantung Negara - National Heart Institute
Kuala Lumpur, Malaysia
- Leadr Lbbap: Maastricht Universitair Medisch Centrum
Maastricht, Limburg, Netherlands
- Leadr Lbbap: Szpital Uniwersytecki W Krakowie
Krakow, Poland
- Leadr: Centro Hospitalar de Lisboa Ocidental, E.P.E. Hospital de Santa Cruz Cardiology
Carnaxide, Portugal
- Leadr: Klinicki Centar Srbije Pejsmejker Centar
Belgrade, Serbia
- Leadr: Ng Teng Fong General Hospital
Singapore, Singapore, Singapore
- Leadr Lbbap: Hospital Universitario Virgen de Las Nieves
Granada, Granada, Spain
- Leadr: Hospital Universitari Bellvitge
L'Hospitalet de Llobregat, Spain
- Leadr: Hospital Universitario Y Politécnico la Fe
Valencia, Spain
- Leadr & Leadr Lbbap: Imperial College Healthcare Nhs Trust - Hammersmith Hospital
London, United Kingdom
- Leadr: Heart Center Research
Huntsville, Alabama, United States
- Leadr Lbbap: Torrance Memorial Medical Center
Torrance, California, United States
- Leadr: Hartford Hospital
Hartford, Connecticut, United States
- Leadr: University of South Florida
Tampa, Florida, United States
- Leadr & Leadr Lbbap: Minneapolis Heart Institute Foundation
Minneapolis, Minnesota, United States
- Leadr: Saint Luke'S Mid America Heart Institute
Kansas City, Missouri, United States
- Leadr: Washington University School of Medicine
St Louis, Missouri, United States
- Leadr: Lourdes Cardiology Services
Voorhees Township, New Jersey, United States
Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.
Drugs studied
No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →
Registration & key dates
Registry attributes as recorded on the ClinicalTrials.gov study record.
- Start
- 21 Jun 2021
- Primary completion
- 3 Sept 2025
- Completion
- 6 Nov 2025
- Last update posted
- 9 Dec 2025
- Registered enrollment
- 998
- Registry id
- NCT04863664
Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.