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CTRI Number  CTRI/2025/10/095623 [Registered on: 06/10/2025] Trial Registered Prospectively
Last Modified On: 05/10/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Medical Device
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Comparison of head positions for flexible camera guiding nasal tube in patients with difficulty in putting tube 
Scientific Title of Study   Comparison of head positions (Sniffing vs Extension) for awake flexible bronchoscope guided nasotracheal intubation in patients with difficult airway: 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  Dr Rohithkrishna B 
Designation  Junior resident 
Affiliation  Jawaharlal Institute of Postgraduate Medical Education and Research 
Address  17,2-M,GRN FLATS,2ND MAIN ROAD,NANGANALLUR,CHENNAI-61

Chennai
TAMIL NADU
600061
India 
Phone  7094748494  
Fax    
Email  drtnbrk@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Rohithkrishna B 
Designation  Junior resident 
Affiliation  Jawaharlal Institute of Postgraduate Medical Education and Research 
Address  17,2-M,GRN FLATS,2ND MAIN ROAD,NANGANALLUR,CHENNAI-61

Chennai
TAMIL NADU
600061
India 
Phone  7094748494  
Fax    
Email  drtnbrk@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Rohithkrishna B 
Designation  Junior resident 
Affiliation  Jawaharlal Institute of Postgraduate Medical Education and Research 
Address  17,2-M,GRN FLATS,2ND MAIN ROAD,NANGANALLUR,CHENNAI-61

Chennai
TAMIL NADU
600061
India 
Phone  7094748494  
Fax    
Email  drtnbrk@gmail.com  
 
Source of Monetary or Material Support  
Institute intramural fund- JIPMER Intramural fund 
 
Primary Sponsor  
Name  JIPMER 
Address  JIPMER Campus Rd, Gorimedu, Dhanvantari Nagar, Puducherry, 605006 
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 Satyaprakash MVS  JIPMER  JIPMER Campus Rd, Gorimedu, Dhanvantari Nagar, Puducherry, 605006
Pondicherry
PONDICHERRY 
97861 84626

munaganuri1975@yahoo.co.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional ethics committee-IEC JIPMER  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: 2||Placement,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Extension head position(EP GROUP) in awake flexible bronchoscope   Putting the head in extension position By adjusting certain maneuvers 
Comparator Agent  Sniffing position (SP GROUP)  Sniffing position as conventional head position used in flexible bronchoscope guuded intubation 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  1.Adult patients aged 18-65 years uundergoing elective surgeries.
2.
2.American Society of Anesthesiologists (ASA) status 1, 2 and 3 requiring awake Flexible bronchoscope guided nasotracheal intubation for airway management during anesthesia administration
 
 
ExclusionCriteria 
Details   
 
Method of Generating Random Sequence   Permuted block randomization, variable 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
Time to view the vocal cords  Time to view the vocal cords 
 
Secondary Outcome  
Outcome  TimePoints 
1. To evaluate and compare Time taken for viewing the tracheal rings (TVTR) between ‘Group SP’ and ‘Group EP’   
To evaluate and compare Time taken for successful endotracheal tube placement (TETP) between ‘Group SP’ and ‘Group EP’
 
 
To compare Number of Attempts between ‘Group SP’ and ‘Group EP’
 
 
To compare Ease of intubation between ‘Group SP’ and ‘Group EP’
 
 
To evaluate and compare Hemodynamic alterations of the patients during intubation between ‘Group SP’ and ‘Group EP’
 
 
 
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)   27/10/2025 
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="2"
Months="0"
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   Awake fiberoptic bronchoscope oral intubation (AFOI) is widely regarded as the gold standard for airway management in patients with difficult airways. Various factors influence the success of this technique, including sedation methods, airway anatomy, and head positioning
Management of the difficult airway has been a critical topic in anesthesiology for decades. Difficult airway incidences range from 0.3% to 13%, and nearly 30% of anesthesia-related mortalities are directly linked to airway complications. (2) Thus, awake fiberoptic bronchoscope (FOB) intubation has emerged as the gold standard for securing airways in patients with anticipated difficulties.
 
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