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CTRI Number  CTRI/2024/12/077613 [Registered on: 03/12/2024] Trial Registered Prospectively
Last Modified On: 03/12/2024
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Blocking of internal branch of superior laryngeal nerve using ultrasound before surgery to decrease occurance of sore throat after surgery with face lying downward position spine surgery  
Scientific Title of Study   Preoperative ultrasound guided internal branch of superior laryngeal nerve block for alleviating postoperative sore throat in prone position surgery: a randomized 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  Shubham Sahni 
Designation  Junior resident  
Affiliation  PGIMER, CHANDIGARH  
Address  Department of Anaesthesia, 4th floor ,A block,Nehru hospital ,PGIMER,Sector 12,madhya marg ,Chandigarh, 160012

Chandigarh
CHANDIGARH
160012
India 
Phone  7004975206  
Fax    
Email  shubhamsahni41@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr. Suman Arora 
Designation  Professor  
Affiliation  PGIMER, CHANDIGARH  
Address  Department of Anaesthesia, 4th floor ,A block,Nehru hospital ,PGIMER,Sector 12,madhya marg ,Chandigarh, 160012

Chandigarh
CHANDIGARH
160012
India 
Phone  9316025807  
Fax    
Email  drsumanarora@hotmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr. Suman Arora 
Designation  Professor  
Affiliation  PGIMER, CHANDIGARH  
Address  Department of Anaesthesia, 4th floor ,A block,Nehru hospital ,PGIMER,Sector 12,madhya marg ,Chandigarh, 160012

Chandigarh
CHANDIGARH
160012
India 
Phone  9316025807  
Fax    
Email  drsumanarora@hotmail.com  
 
Source of Monetary or Material Support  
Department of Anaesthesia, 4th floor ,A block,Nehru hospital ,PGIMER,Sector 12,madhya marg ,Chandigarh, 160012 
 
Primary Sponsor  
Name  PGIMER ,CHANDIGARH,INDIA 
Address  Department of Anaesthesia, 4th floor ,A block,Nehru hospital ,PGIMER,Sector 12,madhya marg ,Chandigarh, 160012 
Type of Sponsor  Research institution and hospital 
 
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 Shubham Sahni   PGIMER Chandigarh   Operation theatre complex,3rd floor,Advanced trauma centre ,PGIMER ,Sector qq12,madhya marg,16002
Chandigarh
CHANDIGARH 
7004975206

shubhamsahni41@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Postgraduate Institute of Medical Education and Research, Chandigarh Institutional Ethics Committee (Intramural)  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, (2) ICD-10 Condition: O||Medical and Surgical, (3) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Internal branch of superior laryngeal nerve block   Bilateral (both sides)internal branch of superior laryngeal nerve will be blocked with 2 ml 0.2 % Ropivacaine each injected using 23 g needle under ultrasound guidance out of plane technique after induction in supine position with neck extended,after block patient will be positioned prone and surgery will be proceed.Intraoperative vitals will be recorded and post operatively followed as per protocol 
Comparator Agent  Standard general anaesthesia   No block will be given to these patients . Patient will be induced similar to intervention group as per protocol ,thereafter will be positioned prone and surgery will be proceeded 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  1)Age -18-65 years
2)ASA grades 1 and 2
3)Elective thoracic and lumber spine surgery in the prone position
 
 
ExclusionCriteria 
Details  1.Refusal to consent
2.ASA status III & IV
3.Preoperative hoarseness, sore throat or cough
4.Presence of any predictor of difficult intubation -MMP 3/4
5.Requirement of more than one attempt at endotracheal intubation
6.Patient on corticosteroids
7.Preoperative nasogastric tube in situ
8.Duration of surgery more than 5 hours
9.Allergy to Ropivacaine
 
 
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 
To assess the incidence of Postoperative sore throat at 6 hours  6 hours 
 
Secondary Outcome  
Outcome  TimePoints 
To assess the incidence of POST at 2 & 24 hrs
To assess the severity of POST at 2, 6 & 24 hrs
Incidence and severity of hoarseness of voice at 2, 6 & 24 hrs
Hemodynamic response to extubation.
Incidence of any other perioperative complications like laryngospasm
Satisfaction score of patient (swallowing discomfort)
 
2,6,24 hours 
 
Target Sample Size   Total Sample Size="122"
Sample Size from India="122" 
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)   27/12/2024 
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 Yet Recruiting 
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   Study is designed to evaluate the effectiveness of USG-guided bilateral iSLNB block in alleviating postoperative sore throat in patients undergoing thoracolumber spine surgery in the prone position under general anaesthesia.

 
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