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CTRI Number  CTRI/2021/03/032024 [Registered on: 16/03/2021] Trial Registered Prospectively
Last Modified On: 27/11/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Medical Device 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Comparison between two oxygenation devices that is Venturi Mask and High Flow Nasal Cannula in patients after they are weaned off from Mechanical Ventilator  
Scientific Title of Study   Effect of High flow nasal cannula versus conventional Venturi mask oxygenation after planned extubation in intensive care unit patients.  
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Mohan Raj P 
Designation  Post graduate Resident 
Affiliation  Maulana Azad Medical College 
Address  Department of anaesthesia , Maulana Azad medical college ,Bahadur Shah ,Zafar marg , New Delhi

Central
DELHI
110002
India 
Phone  9943333636  
Fax    
Email  mohanpmailbox@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Poonam Bhadoria 
Designation  Director Professor  
Affiliation  Maulana Azad medical college 
Address  BL Taneja block , Department of Anaesthesia , Maulana Azad medical college , Bahadur shah , Zafar marg , New Delhi

Central
DELHI
110002
India 
Phone  9968604213  
Fax    
Email  bhadoriap@yahoo.co.in  
 
Details of Contact Person
Public Query
 
Name  Mohan Raj P 
Designation  Post graduate Resident 
Affiliation  Maulana Azad medical college 
Address  Department of Anaesthesia , Maulana Azad medical college , Bahadur shah , Zafar marg , New Delhi

Central
DELHI
110002
India 
Phone  9943333636  
Fax    
Email  mohanpmailbox@gmail.com  
 
Source of Monetary or Material Support  
Maulana Azad medical college , Bahadur Shah , Zafar marg , New Delhi - 110002 
 
Primary Sponsor  
Name  Maulana Azad medical college  
Address  Bahadur Shah , Zafar marg , New Delhi  
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 
Mohan Raj P  Lok Nayak hospital- Maulana Azad Medical College  Department of anaesthesia, third floor BL Taneja. Block,Maulana Azad medical college , Bahadur Shah, Zafar Marg, New Delhi
Central
DELHI 
9943333636

mohanpmailbox@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Maulana Azad medical college  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  Application of oxygenation device to the patient  After the patient gets extubated , Either Venturi mask or High Flow Nasal Cannula will be used for oxygenation of the patient 
Comparator Agent  Venturi mask and High Flow Nasal cannula  Venturi mask is an oxygenation device which can deliver oxygen at maximum of 15 L/min and 60%FiO2. High Flow Nasal cannula (HFNC) is an oxygenation device which can deliver oxygen at maximum 70-80L/min and 100%. FiO2 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  1.BMI < 30
2.≤1 co morbidities
3.Minimum 12 hours and maximum of 7 days of intubaton period 
 
ExclusionCriteria 
Details  1.Patients with congestive heart disease
2.Patients with moderate to severe COPD
3.Pregnant Patients
4.Patients who are planned for non invasive ventilation after intubation 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   An Open list of random numbers 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
The number of patients requiring non invasive ventilation or reintubation after planned extubation  From the time of extubation till 24 hours after extubation.  
 
Secondary Outcome  
Outcome  TimePoints 
1.Time to non invasive ventilation/reintubation
2.Pao2/FiO2 ratio and PaCO2
3.Respiratory parameters-Respiratory rate and SpO2
4-Hemodynamic parameters- Heart rate and mean arterial pressure
5.Duration of Intensive Care Unit stay
6.Patient discomfort score 
PaO2/FiO2 ratio , PaCO2 , Respiratory rate , SpO2, Heart rate , Mean arterial pressure are recorded at 1,3,6,9,12,18,24 hours post extubation. 
 
Target Sample Size   Total Sample Size="40"
Sample Size from India="40" 
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)   25/03/2021 
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)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   NIL 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary   Majority of  ICU patients often require endotracheal intubation and mechanical ventilation .As a standard protocol, intubated ICU patients after the resolution of underlying disease are gradually weaned from mechanical ventilation and there after extubated. Oxygenation and ventilation impairment may be seen in some patients after extubation. Post extubation respiratory management by supplemental oxygen therapy aims at decreasing early post extubation respiratory failure. Several devices are available for delivering oxygen to the ICU patients, which can be either a high flow system or low flow system . Venturi mask being routinely used since years for oxygen supplementation after extubation. It is a high flow oxygen delivery device which has the advantage of delivering precise Fio2 upto a maximum of 0.60.Inspite of being a high flow device it has disadvantage of air entrainement when the respiratory demand of patient increases leading to dilution of oxygen and also delivers non humidified oxygen which leads to airway mucosa dryness. 
Recently a new high flow device (AIRVO2) is being increasingly used. In this high flow device patients inhale a higher percentage of oxygen which saturates the nasopharynx with oxygen and increases the oxygen reserve in lungs. It can deliver oxygen upto 70L/min and FiO2 reaching upto 0.99-1.00.Gaseous exchange is facilitated by flow dependant dead space flushing .
We hypothesize that High Flow Nasal Cannula (AIRVO2) may provide better oxygenation and comfort to the patient with better recruitement of alveoli after planned extubation than conventional oxygen therapy.
 
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