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CTRI Number  CTRI/2022/10/046216 [Registered on: 06/10/2022] Trial Registered Prospectively
Last Modified On: 28/09/2022
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Follow Up Study 
Study Design  Single Arm Study 
Public Title of Study   Clinical and echocardiographic outcomes of left bundle area pacing 
Scientific Title of Study   "CLINICAL AND ECHOCARDIOGRAPHIC OUTCOMES AFTER CONDUCTION SYSTEM PACING: A MULTI-CENTRIC OBSERVATIONAL STUDY" 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr K K Narayanan Namboodiri 
Designation  Professor, Dept.of.Cardiology, SCTIMST 
Affiliation  Sree Chitra Tirunal Institute for Medical Sciences and Technology,Trivandrum 
Address  Room No:45, Ist Floor, Electrophysiology Division Department of Cardiology SCTIMST, Jai Nagar W, Rd, Chalakkuzhi, Trivandrum,Kerala,Pin:695011 Kerala,

Thiruvananthapuram
KERALA
695011
India 
Phone  9447223340  
Fax    
Email  kknnamboodiri@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr K K Narayanan Namboodiri 
Designation  Professor, Dept.of.Cardiology, SCTIMST 
Affiliation  Sree Chitra Tirunal Institute for Medical Sciences and Technology,Trivandrum 
Address  Room No:45, Ist Floor, Electrophysiology Division Department of Cardiology SCTIMST, Jai Nagar W, Rd, Chalakkuzhi, Trivandrum,Kerala,Pin:695011 Kerala,

Thiruvananthapuram
KERALA
695011
India 
Phone  9447223340  
Fax    
Email  kknnamboodiri@gmail.com  
 
Details of Contact Person
Public Query
 
Name  SreelekshmiM 
Designation  JRF 
Affiliation  SCTIMST,TRIVANDRUM 
Address  Room No 15 E.code:4131 Dept. of.Cardiology SCTIMST, Jai Nagar W Rd, Chalakkuzhi, Thiruvananthapuram, kerala, pin:695011

Thiruvananthapuram
KERALA
695011
India 
Phone  6381035991  
Fax    
Email  sreelekshmiprajeeth@gmail.com  
 
Source of Monetary or Material Support  
Medtronic Inc 
Sree Chitra Tirunal Institute for Medical Sciences and Technology,Trivandrum,kerala 
 
Primary Sponsor  
Name  Medtronic Inc 
Address  8200 Coral Sea Street NE, Mounds View, Minnesota 55112 
Type of Sponsor  Other [Medical Device company] 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
DrKKNarayanan Namboodiri  SCTIMST,Trivandrum  Room No:45 Ist floor Electrophysiology Division Department of Cardiology Jai nagar, W Rd Chalakkuzhi Thiruvananthapuram, Kerala, 695011
Thiruvananthapuram
KERALA 
9447223340

kknnamboodiri@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee,SCTIMST,Thiruvananthapuram  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: I455||Other specified heart block,  
 
Intervention / Comparator Agent  
Type  Name  Details 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  75.00 Year(s)
Gender  Both 
Details  Adult patients aged > 18 years who were subjected to either,
1. permanent left bundle branch area pacing for the atrioventricular block or bundle branch
block, irrespective of the left ventricular ejection fraction (This subgroup essentially
represents the CRT-P and Brady populations.), or
2. Those who had left bundle -optimized CRT 
 
ExclusionCriteria 
Details  1. Patients not giving consent
2. Planned for conventional pacing or any form of physiological pacing other than LBB
pacing
3. Pregnancy 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Participant, Investigator and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
the
pacing characteristics, clinical and echocardiographic outcomes of adult patients who require permanent
pacemaker implantation for AV block/Bundle branch block and are taken up for conduction system pacing
techniques(His bundle pacing/Left bundle branch pacing) as per their clinical considerations 
Clinical Outcome will be accessed after 36 months(Review in every 6 months) of enrollment  
 
Secondary Outcome  
Outcome  TimePoints 
the composite endpoint among patients with a prespecified burden of ventricular pacing and individual outcomes.  Clinical Outcome will be accessed after 36 months(Review in every 6 months) of enrollment  
 
Target Sample Size   Total Sample Size="200"
Sample Size from India="200" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   Phase 4 
Date of First Enrollment (India)   12/10/2022 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="3"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   publication details will be provided once available 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary   This is a prospective, Multi-centre, observational study of consecutive adult patients who require permanent pacemaker implantation for AV block/Bundle branch block and are taken up for conduction system pacing techniques ( His bundle pacing/Left bundle branch pacing)as per their clinical considerations to determine the pacing characteristics, clinical and echocardiographic outcomes during short term follow up. 
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