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CTRI Number  CTRI/2023/03/050187 [Registered on: 01/03/2023] Trial Registered Prospectively
Last Modified On: 27/02/2023
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   Instilling lignocaine(a local anaesthetic) through the endotracheal tube for prevention of cough during removal of endotracheal tube(extubation) and comparing its effectiveness to instilling normal saline 
Scientific Title of Study   Comparison of the effectiveness of endotracheal instillation of lignocaine versus normal saline in prevention of cough during extubation after elective laparoscopic surgeries : A randomized control 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 Pradeep A Dongare 
Designation  Assistant professor 
Affiliation  ESIC MEDICAL COLLEGE AND PGIMSR,RAJAJI NAGAR 
Address  Department of Anaesthesiology, ESIC Medical college and PGIMSR, Rajajinagar, Bangalore

Bangalore
KARNATAKA
560010
India 
Phone  8310738801  
Fax    
Email  pradeep.dongare@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Pradeep A Dongare 
Designation  Assistant professor 
Affiliation  ESIC MEDICAL COLLEGE AND PGIMSR,RAJAJI NAGAR 
Address  Department of Anaesthesiology, ESIC Medical college and PGIMSR, Rajajinagar, Bangalore


KARNATAKA
560010
India 
Phone  8310738801  
Fax    
Email  pradeep.dongare@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Pradeep A Dongare 
Designation  Assistant professor 
Affiliation  ESIC MEDICAL COLLEGE AND PGIMSR,RAJAJI NAGAR 
Address  Department of Anaesthesiology, ESIC Medical college and PGIMSR, Rajajinagar, Bangalore


KARNATAKA
560010
India 
Phone  8310738801  
Fax    
Email  pradeep.dongare@gmail.com  
 
Source of Monetary or Material Support  
ESIC MEDICAL COLLEGE AND PGIMSR, RAJAJINAGAR, BANGALORE 
 
Primary Sponsor  
Name  ESIC MEDICAL COLLEGE AND PGIMSR 
Address  Rajajinagar, Bangalore 
Type of Sponsor  Government medical college 
 
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 
HARI PRABHAKAR K  ESIC MEDICAL COLLEGE AND PGIMSR  OT COMPLEX,DEPARTEMENT OF ANAESTHESIOLOGY,RAJAJINAGAR, BANGALORE
Bangalore
KARNATAKA 
88388632729

hariprabhakar.kumar@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INSTITUTIONAL ETHICS COMMITTEE, ESIC MEDICAL COLLEGE & PGIMSR, RAJAJI NAGAR, BANGALORE  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K808||Other cholelithiasis,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  LIGNOCAINE  Dose - 1mg/kg diluted to 5ml Frequency - once at the time of wound dressing Route of administration - through the endotracheal tube Duration - the drug is once administered and occurence of cough during extubation and heart rate and bp will ne monitored each minute for 10 mins after extubation 
Comparator Agent  NORMAL SALINE  Dose - 5ml Frequency - once at the time of wound dressing Route of administration - through the endotracheal tube Duration - the normal saline is once administered and occurence of cough during extubation and heart rate and bp will ne monitored each minute for 10 mins after extubation 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1.Patient willing to give informed consent (Annexure-1)
2.American Society of Anesthesiologists (ASA) physical status I or II.
(Annexure 2)
3.Elective laparoscopic surgical procedures of a duration of 1-1.5hours under general anaesthesia with requirement for endotracheal intubation.  
 
ExclusionCriteria 
Details  1.Patient with risk factors for difficult airway (mouth opening of <2cm, Mallampatti class 4, limited neck extension, history of previous difficult intubation)
2.Patients with known pulmonary and cardiovascular diseases.
3.Patients having sore throat or active Upper Respiratory Infection (URI), history of laryngeal or tracheal pathology/surgery, history of asthma or Chronic Obstructive Pulmonary Disease(COPD).
4.Known allergy to local anaesthetic.
5.Patients on beta-blocker therapy.
 
 
Method of Generating Random Sequence   Random Number Table 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Double Blind Double Dummy 
Primary Outcome  
Outcome  TimePoints 
NUMBER AND GRADE OF COUGH  At base line (during extubation) 
 
Secondary Outcome  
Outcome  TimePoints 
HEART RATE AND BLOOD PRESSURE  EVERY MINUTE UPTO 10 MINS AFTER EXTUBATION 
 
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   N/A 
Date of First Enrollment (India)   06/03/2023 
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="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details    
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary  

A typical clinical issue, coughing upon coming out of general anaesthesia can cause potentially harmful patient movements, hypertension, tachycardia or other arrhythmias, myocardial ischaemia, surgical haemorrhage, bronchospasm, and a rise in intracranial and intraocular pressure. 

In individuals with coronary artery disease, cerebrovascular disease, or intracranial hypertension, coughing during extubation may have harmful implications. 

Lidocaine is a local anaesthetic which has long been used to obtund intubation response. According to studies, stimulation of the larynx, trachea, and carina all result in haemodynamic abnormalities that lidocaine prevents. The larynx is the one that causes the greatest reaction among them.Endotracheal instillation of Lidocaine in the cuff in order to inflate the cuff prevents coughing and thereby prevents an increase in blood pressure and heart rate throughout the surgery. But repeated instillation may be required as it may get absorbed through the cuff. Endotracheal instillation of Lidocaine has been shown to obtund intubation response. Similar instillation through the endotracheal tube to obtund the response to extubation is sparsely studied. 

The aim of the study is to investigate whether endotracheal instillation of lignocaine attenuates cough and airway circulatory reflex during extubation after elective laparoscopic surgeries requiring general anaesthesia. 

 
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