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CTRI Number  CTRI/2024/03/064561 [Registered on: 20/03/2024] Trial Registered Prospectively
Last Modified On: 12/03/2024
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Medical Device
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Comparing the duration taken for SpO2 to drop from 100% to 95% after giving Positive End-Expiratory Pressure during face mask ventilation with and without it during general anesthesia. 
Scientific Title of Study   Comparison of safe apnea time with and without Positive End-Expiratory Pressure during face mask ventilation in adult patients undergoing general anesthesia.  
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 Deepak Raj G 
Designation  PG Resident 
Affiliation  VMMC and Safdarjung Hospital 
Address  Department of Anesthesia and Intensive Care, ground floor, main operation theatre building, Safdarjung Hospital Campus, Ansari Nagar East, New Delhi, Delhi

New Delhi
DELHI
110029
India 
Phone  7904760828  
Fax    
Email  g.deepakraj8@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Charu Bamba 
Designation  Professor and Consultant  
Affiliation  VMMC and Safdarjung Hospital 
Address  Department of Anesthesia and Intensive Care, ground floor, main operation theatre building, Safdarjung Hospital Campus, Ansari Nagar East, New Delhi, Delhi

New Delhi
DELHI
110029
India 
Phone  9811270511  
Fax    
Email  charu.bamba@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Charu Bamba 
Designation  Professor and Consultant  
Affiliation  VMMC and Safdarjung Hospital 
Address  Department of Anesthesia and Intensive Care, ground floor, main operation theatre building, Safdarjung Hospital Campus, Ansari Nagar East, New Delhi, Delhi

New Delhi
DELHI
110029
India 
Phone  9811270511  
Fax    
Email  charu.bamba@gmail.com  
 
Source of Monetary or Material Support  
VMMC and Safdarjung Hospital 
 
Primary Sponsor  
Name  Vardhaman Mahavir Medical College and Safdarjung Hospital 
Address  Department of Anaesthesiology and Intensive Care, ground floor, main ot complex, VMMC and Safdarjung Hospital Campus, Ansari Nagar East, New Delhi, 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 
Dr Deepak Raj G  VMMC and Safdarjung Hospital  Safdarjung Hospital Campus, Ansari Nagar East, New Delhi, Delhi
New Delhi
DELHI 
7904760828

g.deepakraj8@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee  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  Administration of positive end exploratory pressure during face mask ventilation   By administering positive end expiratory pressure we are trying to see whether the safe apnoea time can be increased or not  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  All patients of age between 18-60 years belonging to ASA grade I-II undergoing elective surgery
under general anesthesia with Endotracheal Intubation (ETT) 
 
ExclusionCriteria 
Details  1. SpO2 less than 97% at room air
2. Body Mass Index more than 25kg/m2
3. Anticipated difficult intubation/ventilation
4. Indwelling nasogastric tube
5. History of Obstructive sleep apnoea
6. History of any Respiratory illness
7. Pregnancy 
 
Method of Generating Random Sequence   Stratified block randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To compare the safe apnea time  the safe apnoea time will be the duration from the moment the face mask ventilation is stopped to the moment the spo2 drops till 95% 
 
Secondary Outcome  
Outcome  TimePoints 
To compare PaO2/FiO2 ratio   ABG will be taken immediately after the 3 minutes of face mask ventilation  
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
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)   01/04/2024 
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="6"
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   Face Mask Ventilation is done immediately after the induction of general anesthesia, there are various techniques to do face mask ventilation and one of which is administration of positive end expiratory pressure during face mask ventilation. Here we are trying to compare the duration of safe apnea time after administration of positive end expiratory pressure and without it and determine which has more duration. This can help the anesthesiologists to follow a standard technique to counter any unanticipated cannot ventilate cannot intubate situation if at all it happens. The methodology will be, after explaining the subjects who are posted for elective surgery about the study and getting informed consent. The subjects are divided into 2 groups (group P - PEEP of 6cmH2O and group C - PEEP of 0cmH2O) using block randomization and allotted into 1 of the 2 groups. The patient will be taken to operation theatre and general anesthesia will be induced after which face mask ventilation will be done using the ventilator and according to their groups. After 3 minutes of face mask ventilation the timer will started to document the apnea time i.e., the duration taken for SpO2 to drop from 100% to 95%. We hypothesize that the duration of apnea will be longer in group P when compared to group C. We are also trying to see the difference in PaO2/FiO2 ratio between the 2 groups 
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