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CTRI Number  CTRI/2021/07/034887 [Registered on: 15/07/2021] Trial Registered Prospectively
Last Modified On: 08/12/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   BIS index guided comparison of Dexmedetomidine and Fentanyl premedication for time required to achieve adequate depth for endotracheal intubation– Randomised Control Trial 
Scientific Title of Study   Bispectral index guided comparison of Dexmedetomidine and Fentanyl premedication for time required to achieve adequate depth for endotracheal intubation– A Prospective Double Blind Randomised Control Trial 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Mohammad Faseehullah Alam 
Designation  Senior Resident 
Affiliation  IGIMS 
Address  Department of Anesthesiology, IGIMS, Sheikpura ,Patna

Patna
BIHAR
800014
India 
Phone  9155366231  
Fax    
Email  faseehullah.alam@yahoo.com  
 
Details of Contact Person
Scientific Query
 
Name  Mohammad Faseehullah Alam 
Designation  Senior Resident 
Affiliation  IGIMS 
Address  Department of Anesthesiology, IGIMS, Sheikpura ,Patna
Department of Anesthesiology, IGIMS, Sheikpura ,Patna

BIHAR
800014
India 
Phone  9155366231  
Fax    
Email  faseehullah.alam@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Mohammad Faseehullah Alam 
Designation  Senior Resident 
Affiliation  IGIMS 
Address  Department of Anesthesiology, IGIMS, Sheikpura ,Patna

Patna
BIHAR
800014
India 
Phone  9155366231  
Fax    
Email  faseehullah.alam@yahoo.com  
 
Source of Monetary or Material Support  
Mohammad Faseehullah Alam , IGIMS ,PATNA 
 
Primary Sponsor  
Name  Mohammad Faseehullah Alam 
Address  Department of Anesthesiology, IGIMS, Sheikpura ,Patna 
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 
Mohammad Faseehullah Alam  IGIMS  Department of Anesthesiology, IGIMS, Sheikpura ,Patna
Patna
BIHAR 
9155366231

faseehullah.alam@yahoo.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethical Committee, IGIMS, Patna  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, (2) ICD-10 Condition: 3||Administration, (3) ICD-10 Condition: 4||Measurement and Monitoring,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  To assess the time required to achieve adequate BIS for endotracheal intubation after patients receive dexmedetomidine (1µg/kg) in 100 ml normal saline  patients will be kept npo 6 hours for solid food, and 2 hours for clear liquids before surgery. Premedication will be injected glycopyrrolate 10 mcg/kg intramuscularly. After taking the patient in the operating room all necessary attachments like ECG electrodes, NIBP monitors, SPo2 probes, BIS monitors will be attached. After securing the IV cannula patient will receive the study drug , infusion Dexmedetomidine (1µg/kg) in 100 ml Normal saline over 10 minutes . After 15 minutes induction will be done with Inj. Propofol 2mg/kg and Cis-atracurium 0.15mg/kg. Intubation will be attempted in 3 minutes if desired BIS is achieved. Maximum waiting period will be for 6 minutes, after that rescue drug injection propofol in 1mg/kg will be repeated. Intubation will be attempted only at BIS ≤50. 
Comparator Agent  To assess the time required to achieve adequate BIS for endotracheal intubation after patients receive fenatnyl (2µg/kg) in 100 ml normal saline.  patients will be kept nil per orally 6 hours for solid food, and 2 hours for clear liquids before surgery. Premedication will be injected glycopyrrolate 10 mcg/kg intramuscularly. After taking the patient in the operating room all necessary attachments like ECG electrodes, NIBP monitors, SPo2 probes, BIS monitors will be attached. After securing the IV cannula patient will receive the study drug Infusion Fentanyl (2µg/kg) in 100 ml Normal saline over 10 minutes. After 15 minutes induction will be done with Inj. Propofol 2mg/kg and Cis-atracurium 0.15mg/kg. Intubation will be attempted in 3 minutes if desired BIS is achieved. Maximum waiting period will be for 6 minutes, after that rescue drug injection propofol in 1mg/kg will be repeated. Intubation will be attempted only at BIS ≤50. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  50.00 Year(s)
Gender  Both 
Details  1)Patients aged 18 to 50 years of both sex undergoing elective surgery under general anaesthesia.
2)ASA 1 and 2.
3)Consenting patients. 
 
ExclusionCriteria 
Details  1)Patient refusal
2)ASA 3 & 4
3) History of Allergy 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Centralized 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
To assess the time required to achieve adequate BIS for endotracheal intubation.  3 minutes if desired BIS is achieved. Maximum waiting period will be for 6 minutes, after that rescue drug injection propofol in 1mg/kg will be repeated. 
 
Secondary Outcome  
Outcome  TimePoints 
To compare haemodynamic between both the groups.
Total amount of rescue drug required to achieve the desired BIS. 
3 minutes if desired BIS is achieved. Maximum waiting period will be for 6 minutes, after that rescue drug injection propofol in 1mg/kg will be repeated. 
 
Target Sample Size   Total Sample Size="140"
Sample Size from India="140" 
Final Enrollment numbers achieved (Total)= "0"
Final Enrollment numbers achieved (India)="0" 
Phase of Trial   N/A 
Date of First Enrollment (India)   20/07/2021 
Date of Study Completion (India) Date Missing 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="0"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details
Modification(s)  
Choudhary, Annu; Singh, Swati; Singh, Swati; Alam, Faseehullah1; Kumar, Harsh. Bispectral index-guided comparison of dexmedetomidine and fentanyl as an adjuvant with propofol to achieve an adequate depth for endotracheal intubation - A double-blind randomised controlled trial. Indian Journal of Anaesthesia 68(4):p 334-339, April 2024. | DOI: 10.4103/ija.ija_884_23  
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary  

The BIS monitor, derived from electroencephalogram (EEG) data, has been used as a statistical predictor of the level of hypnosis and has been proposed as a tool to reduce the risk of intraoperative awareness. Bispectral index (BIS) is a widely used quantitative parameter for evaluating depth of anesthesia and sedation

Fentanyl and dexmedetomidine has potent sedative properties. They have been used as an anesthetic sparing agent but not as a sole anesthetic agent as premedication. In view of above facts, this study aims to assess the time required to achieve adequate depth for intubation, using Bispectral index as guide.

 
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