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CTRI Number  CTRI/2025/12/098795 [Registered on: 10/12/2025] Trial Registered Prospectively
Last Modified On: 08/12/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   A study comparing two types of inhaled calming and numbing medicines to help patients stay comfortable during a breathing tube placement while they remain awake during surgeries 
Scientific Title of Study   Comparison Of Nebulized Dexmedetomidine Plus Lidocaine Combination Versus Nebulized Dexmedetomidine Alone For Awake Fiberoptic Nasotracheal Intubation A Prospective Randomized Controlled Study 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Pradipta Laha 
Designation  Junior Resident Anaesthesia  
Affiliation  Command Hospital Eastern Command 
Address  Command Hospital Eastern Command Alipore Kolkata Department Anaesthesia Second Floor Pre Operative Room One

Kolkata
WEST BENGAL
700027
India 
Phone  8158036188  
Fax    
Email  babai.pradipta@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Col Dr Kunal Sarin 
Designation  Associate Professor MBBS MD Anaesthesiology 
Affiliation  Command Hospital Eastern Command 
Address  Command Hospital Eastern Command Alipore Kolkata Department Anaesthesia Second Floor Pre Operative Room One

Kolkata
WEST BENGAL
700027
India 
Phone  8283923606  
Fax    
Email  dr.kunal.aiims@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Col Dr Kunal Sarin 
Designation  Associate Professor MBBS MD Anaesthesiology 
Affiliation  Command Hospital Eastern Command 
Address  Command Hospital Eastern Command Alipore Kolkata Department Anaesthesia Second Floor Pre Operative Room One

Kolkata
WEST BENGAL
700027
India 
Phone  8283923606  
Fax    
Email  dr.kunal.aiims@gmail.com  
 
Source of Monetary or Material Support  
Command Hospital Eastern Command Alipore Kolkata India West Bengal India 700027  
 
Primary Sponsor  
Name  Pradipta Laha 
Address  Command Hospital Eastern Command Alipore Road Alipore Kolkata 700027 
Type of Sponsor  Other [Self] 
 
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 Pradipta Laha  Command Hospital   Command Hospital Eastern Command Alipore Kolkata Department Anaesthesia Second Floor Pre Operative Room One
Kolkata
WEST BENGAL 
8158036188

babai.pradipta@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Command Hospital eastern command  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: J958||Other intraoperative and postprocedural complications and disorders of respiratory system, not elsewhere classified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  To Compare Effect Of Nebulized Dexmedetomidine plus Lidocaine Versus Dexmedetomidine Alone During Awake Fiberoptic Nasotracheal Intubation  Total 88 Patients Will Be Enrolled For AFOI. They will Be Divided Into Two Groups 44 in Each Group. Nebulised dexmedetomidine 2 mcg/kg alone, delivered over 10 minutes using a standard jet nebuliser. A Fiberoptic Bronchoscope Will Be Used For Nasotracheal Intubation by An Anesthesiologist. Group DN will be the comparator agent  
Intervention  To Compare Effect Of Nebulized Dexmedetomidine plus Lidocaine Versus Dexmedetomidine Alone During Awake Fiberoptic Nasotracheal Intubation  Total 88 Patients Will Be Enrolled For AFOI. They will Be Divided Into Two Groups 44 in Each Group.Intranasal dexmedetomidine (2 mcg/kg) combined with intranasal lignocaine (1 mg/kg), administered 20 minutes prior to awake nasal fibreoptic intubation.This is the intervention 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  ASA Physical Status I-II
Schedule For Elective Surgery Under General Anaesthesia With AFOI
Informed Written Consent 
 
ExclusionCriteria 
Details  Patient Unwilling To Participate
Nasal Obstruction Polyps Bleeding Disorders
Allergy To Lidocaine Or Dexmedetomidine
Pregnant Women 
 
Method of Generating Random Sequence   Stratified randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
To Compare Time Required For Awake Fiberoptic Nasotracheal Intubation Between The Two Groups  Time from Insertion Of Fiber Optic Probe Till Appearance of Etco2 Capnography on the monitor will be recorded 
 
Secondary Outcome  
Outcome  TimePoints 
Ease & Quality of Awake Fiberoptic Nasotracheal Intubation
Hemodynamic Stability During Awake Fiberoptic Nasotracheal Intubation
Incidence OF Complications like Fall in Spo2 , Bleeding, Vomiting
 
Assessment will be done at
Baseline pre drug
At the start of procedure
Five minutes post intubation
Ten minutes post intubation 
 
Target Sample Size   Total Sample Size="88"
Sample Size from India="88" 
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   Post Marketing Surveillance 
Date of First Enrollment (India)   25/12/2025 
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="4"
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   This Prospective Randomized controlled study is the comparison of nebulized dexmedetomidine plus lidocaine versus dexmedetomidine alone in awake nasotracheal fiberoptic intubation. The place of study is Command Hospital Eastern Command  a tertiary care teaching hospital in Kolkata . The total duration of the study is 16 months.  Total Number of participants in the study is 88. The inclusion criteria of the study are age between 18 to 65 years with ASA physical status I to II who are scheduled for elective surgery under general anaesthesia. The participants will be divided into two groups 44 in each. Group DL will receive nebulized dexmedetomidine combined with lidocaine and group DN will receive nebulized dexmedetomidine with normal saline which will be administered 20 minutes prior to awake fiberoptic intubation. Premedication will be given in both the groups. The primary objective is to compare the time required for awake fiberoptic nasotracheal intubation between the two groups. The secondary objectives of this study is to assess the ease and quality of awake fiberoptic nasotracheal intubation. This study aims to evaluate whether the addition of nebulized lidocaine improves the outcome compared to nebulized dexmedetomidine alone during awake fiberoptic nasotracheal intubation. The study is a double blinded study where the participants and professional performing the procedure will be blinded. Randomization will be done by sealed opaque envelopes. 
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