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CTRI Number  CTRI/2025/08/092513 [Registered on: 06/08/2025] Trial Registered Prospectively
Last Modified On: 05/08/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   A study comparing erector spinae block and surgical site local anaesthetic infiltration for pain relief after minimally invasive lung surgery 
Scientific Title of Study   Comparison of efficacy of ultrasound- guided erector spinae plane block versus local wound infiltration for post-operative analgesia in patients undergoing video-assisted thoracoscopic surgery: a double blind randomised controlled trial 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
nil  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Monika Yadav 
Designation  Attending Consultant  
Affiliation  Medanta -The Medicity 
Address  Department of anesthesiology and critical care
Medanta - The Medicity, sector 38
Gurgaon
HARYANA
122022
India 
Phone  9518089485  
Fax    
Email  yadavmonika248@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Monika Yadav 
Designation  Attending Consultant  
Affiliation  Medanta -The Medicity 
Address  Department of anesthesiology and critical care
Medanta - The Medicity, sector 38
Gurgaon
HARYANA
122022
India 
Phone  9518089485  
Fax    
Email  yadavmonika248@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Monika Yadav 
Designation  Attending Consultant  
Affiliation  Medanta -The Medicity 
Address  Department of anesthesiology and critical care
Medanta - The Medicity, sector 38
Gurgaon
HARYANA
122022
India 
Phone  9518089485  
Fax    
Email  yadavmonika248@gmail.com  
 
Source of Monetary or Material Support  
Medanta - The Medicity Hospital, sector 38, Gurgaon, Haryana, India 122022 
 
Primary Sponsor  
Name  Monika Yadav 
Address  Medanta The Medicity Gurgaon 
Type of Sponsor  Other [individual] 
 
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 
Dr Monika Yadav  Medanta The Medicity  OT number 17,18; First Floor OT complex, Department of Anaesthesiology and Critical Care, Medanta The Medicity, Sector 38
Gurgaon
HARYANA 
9518089485

yadavmonika248@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Medanta Institutional Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Erector spinae plane block  Ultrasound-guided erector spinae block will be administered as single dose at T5 vertebral level with 40 ml of 0.2% Ropivacaine between T5 vertebral level and erector spinae muscle. 
Comparator Agent  Local infiltration at surgical site  Single shot subcuatenous local wound infiltration with 40 ml of 0.2% Ropivacaine at surgical site after skin closure. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Informed and written consent
ASA physical status 1 and 2
Elective video-assisted thoracoscopic surgery  
 
ExclusionCriteria 
Details  Patient refusal
Infection at the site
Chronic pain patients or patients with analgesic dependence
INR more than 1.5
Difficulty in understanding or non-compliance with the quality of recovery questionnaire  
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
The time to request the first post-operative rescue analgesic dose  The time point at which the patient requests the first post-operative rescue analgesic dose in first 24 hours. 
 
Secondary Outcome  
Outcome  TimePoints 
Total post-operative rescue analgesic requirement   24 Hours post-operatively 
Numerical rating score at rest and during coughing  6 ,12 and 24 Hours post-operatively  
Comparison of quality of recovery   24 Hours post-operatively 
Comparison of sedation scores   6,12, and 24 Hours post-operatively 
Incidence of nausea and vomitting   Post-operative period for 24 Hours 
 
Target Sample Size   Total Sample Size="110"
Sample Size from India="110" 
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 3 
Date of First Enrollment (India)   01/09/2025 
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="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary   This study is a randomized, double blind, parallel group, single-centre trial comparing the efficacy of ultrasound-guided erector spinae plane block versus local wound infiltration for post-operative analgesia in patients undergoing video-assisted thoracoscopic surgery in 110 patients in a tertiary care centre in India. The primary outcome measure will be to determine the time to request the first post-operative rescue analgesic dose. The secondary outcomes will be total post-operative rescue analgesic requirement, comparison of quality of recovery, incidence of nausea and vomiting in the first 24 hours post-operatively and numerical rating score at rest and during coughing, comparison of sedation scores at 6, 12, and 24 hours post-operatively 
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