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CTRI Number  CTRI/2025/03/081994 [Registered on: 07/03/2025] Trial Registered Prospectively
Last Modified On: 03/03/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   To observe postoperative changes in heart rate and blood pressure and cough suppression on giving dexmedetomidine in the tube before taking off the patient from ventilator  
Scientific Title of Study   Effect of intratracheal Dexmedetomidine to attenuate cardiovascular and airway responses to tracheal extubation. 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Hemani Ahuja 
Designation  Professor  
Affiliation  Christian Medical college and hospital,brown road, ludhiana 
Address  Dept. Of Anesthesiology Christian Medical college and hospital,brown road, ludhiana

Ludhiana
PUNJAB
141008
India 
Phone  9501004338  
Fax    
Email  hemaniahuja@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Priyanka Garg  
Designation  PG resident Anesthesia  
Affiliation  Christian Medical college and hospital,brown road, ludhiana 
Address  Dept. Of Anesthesiology Christian Medical college and hospital,brown road, ludhiana

Ludhiana
PUNJAB
141008
India 
Phone  8699924222  
Fax    
Email  priyankagarg6996@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Priyanka Garg  
Designation  PG resident Anesthesia  
Affiliation  Christian Medical college and hospital,brown road, ludhiana 
Address  Dept. Of Anesthesiology Christian Medical college and hospital,brown road, ludhiana

Ludhiana
PUNJAB
141008
India 
Phone  8699924222  
Fax    
Email  priyankagarg6996@gmail.com  
 
Source of Monetary or Material Support  
Christian Medical college and hospital, Brown Road ,Ludhiana, Punjab, India 141008 
 
Primary Sponsor  
Name  Christian Medical college and hospital 
Address  Dept. Of Anaesthesia, 1st floor, Christian Medical college and hospital,brown road, ludhiana, Punjab, India 141008 
Type of Sponsor  Private 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 
Dr Hemani Ahuja  Christian Medical college and hospital   Department of Anaesthesia, Christian Medical college and hospital , ludhiana punjab
Ludhiana
PUNJAB 
9501004338

hemaniahuja@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee, Christian Medical college and hospital   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: 4||Measurement and Monitoring,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Dexmedetomidine   Group D1- Patient will be administered Dexmedetomidine 0.3 mic/kg diluted till 2 ml with Normal saline intratracheally 30 min before extubation  
Intervention  Dexmedetomidine   Group D2- Patient will be administered Dexmedetomidine 0.5mic/kg diluted till 2 ml with normal saline intratracheally 30 min before extubation  
Comparator Agent  Normal Saline  Group N- patient will be given 2 ml of normal saline intratracheal 30 min before extubation  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Patients aged 18-65 years
Patients of ASA grade 1 and 2
Either sex
Patients scheduled for general anaesthesia
 
 
ExclusionCriteria 
Details  Patients with recent upper respiratory tract infections
Patients with uncontrolled or untreated hypothyroidism
Patients with heart disorders like heart block, coronary heart disease
Hepatic and renal insufficiency
Patients on alpha 2 agonist and sedative drugs
 
 
Method of Generating Random Sequence   Permuted block randomization, fixed 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
After instillation of dexmedetomidine intratracheal following parameters will be measured
• Haemodynamic parameters- Heart rate,Blood pressure, SpO2,
•Adverse effects- Hypotension , breath holding, Bradycardia, emergence delirium
 
At the time of instillation of dexmedetomidine , After drug intillation @ 5 min, 10 min, 20 min, 30 min 
 
Secondary Outcome  
Outcome  TimePoints 
After extubation following parameters will be measured
• Haemodynamic parameters- Heart rate,Blood pressure, SpO2,
•Adverse effects- Hypotension , breath holding, Bradycardia, emergence delirium
 
1 min before extubation, At extubation, after extubation at 1 min, 5 min, 10 min, 20 min, 30 min 

1. Ramsay sedation score at the time of extubation :
2. Time to reach ramsay sedation score of 3:
3. Time from reversal to extubation:
4. Quality of extubation score :
 
 
 
Target Sample Size   Total Sample Size="90"
Sample Size from India="90" 
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)   22/03/2025 
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="6"
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  
Introduction: Peri-Extubation cough is an unpleasant event, prevention of which has been studied with multiple 
pharmacological strategies among which intravenous Dexmedetomidine has emerged as one of the preferred drug. 
Intratracheal route is attractive as it is easy to use and moreover it avoids hypotension and bradycardia associated 
with intravenous drug administration. But, there is lack of data exploring the efficacy, dosage and adverse effects 
of intratracheal Dexmedetomidine.
Aims and Objectives :
1.To assess the effectiveness of intratracheal Dexmedetomidine in different doses to attenuate the cardiovascular 
and airway responses to tracheal extubation.
2.To observe the adverse effects of Dexmedetomidine.
Materials and Methods:
This study will be conducted on 90 Patients with ASA I and II status scheduled for surgery under general 
anaesthesia. They will be randomly divided into three groups – Group D1, Group D2, and Group N. 30 minutes 
prior to extubation these groups will receive intratracheal dexmedetomidine 0.3mic/kg, 0.5mic/kg and 2ml NS 
respectively. Hemodynamics responses, time taken for extubation, quality of extubation and time to achieve the 
Ramsay sedation score of 3 will be recorded.
 
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