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CTRI Number  CTRI/2025/08/092504 [Registered on: 06/08/2025] Trial Registered Prospectively
Last Modified On: 05/08/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   A study in patients undergoing laparoscopic surgery to compare the effects of Dexmedetomidine and Magnesium Sulfate on vital signs.  
Scientific Title of Study   A Comparative study of Adjunct Dexmedetomidine and Magnesium sulphate on Hemodynamic response during Laproscopic Surgery under General Anaesthesia: An Academic 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 Ritika Ranjan 
Designation  Post Graduate Trainee 
Affiliation  Asansol District Hospital 
Address  Asansol District Hospital Department of Anaesthesiology S B Gorai Road Asansol

Barddhaman
WEST BENGAL
713301
India 
Phone  7779821925  
Fax    
Email  r.ritikaranjan@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Madhab Chandra Mandal 
Designation  Senior Consultant, Department of Anaesthesia 
Affiliation  Asansol District Hospital 
Address  Asansol District Hospital Department of Anaesthesiology S B Gorai Road Asansol

Barddhaman
WEST BENGAL
713301
India 
Phone    
Fax    
Email  mcmandal80@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Ritika Ranjan 
Designation  Post Graduate Trainee 
Affiliation  Asansol District Hospital 
Address  Asansol District Hospital Department of Anaesthesiology S B Gorai Road Asansol

Barddhaman
WEST BENGAL
713301
India 
Phone  7779821925  
Fax    
Email  r.ritikaranjan@gmail.com  
 
Source of Monetary or Material Support  
Asansol District Hospital, S B Gorai Road, West Bengal-713301, India 
 
Primary Sponsor  
Name  Department of Anaesthesiology 
Address  Asansol District Hospital, S B Gorai road, West Bengal-713301, India 
Type of Sponsor  Other [Government District 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 
Ritika Ranjan  Asansol District Hospital  S B Gorai Road, Department Of Anaesthesiology. Superspeciality Building, OT complex, 4th floor.
Barddhaman
WEST BENGAL 
7779821925

r.ritikaranjan@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INSTITUTIONAL ETHICS COMMITTEE, INSTITUTE OF HEALTH & FAMILY WELFARE, GOVERNMENT OF WEST BENGAL  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  Dexmedetomidine  Dose:Loading dose of 1 µg/kg followed by maintenance infusion of 0.5 µg/kg/hr Frequency: Single administration on the day of surgery. Route of Administration: Intravenous (IV) Total Duration: From induction of anaesthesia until the end of surgery. 
Comparator Agent  Magnesium Sulfate  Dose: Loading dose of 30 mg/kg followed by maintenance infusion of 10 mg/kg/hr Frequency: Single administration on the day of surgery Route of Administration: Intravenous (IV) Total Duration: From induction of anaesthesia until the end of surgery 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  Patients schedule for elective laparoscopic surgery.
ASA I and II. 
 
ExclusionCriteria 
Details  Patient refusal, Patients undergo emergency surgery. 
 
Method of Generating Random Sequence   Coin toss, Lottery, toss of dice, shuffling cards etc 
Method of Concealment   Case Record Numbers 
Blinding/Masking   Double Blind Double Dummy 
Primary Outcome  
Outcome  TimePoints 
Compared to magnesium sulphate, dexmedetomidine demonstrates superior efficacy in stabilizing hemodynamic parameters during pneumoperitoneum in laparoscopic procedures under general anaesthesia.  Baseline – Before administration of study drug (after IV line placement, before induction).
After loading dose – 10 minutes after drug administration, before induction.
At intubation.
5 minutes after intubation.
At creation of pneumoperitoneum.
Every 15 minutes intraoperatively.
At extubation.
Postoperatively at 5,15, minutes in PACU (Post Anaesthesia Care Unit) 
 
Secondary Outcome  
Outcome  TimePoints 
Less Heart rate, Blood pressure & Mean arterial pressure variability with dexmedetomidine during critical intraoperative periods.  Baseline – Before administration of study drug (after IV line placement, before induction).
After loading dose – 10 minutes after drug administration, before induction.
At intubation.
5 minutes after intubation.
At creation of pneumoperitoneum.
Every 15 minutes intraoperatively.
At extubation.
Postoperatively at 5,15, minutes in PACU (Post Anaesthesia Care Unit) 
 
Target Sample Size   Total Sample Size="102"
Sample Size from India="102" 
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)   18/08/2025 
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="0"
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  

Aim of this study is to identify the relative efficacy of Dexmedetomidine and Magnesium Sulfate on attenuation of hemodynamic responses in laparoscopic Surgery under General Anaesthesia.

This study is a Double blinded Randomised controlled rial study to be conducted in the Department of Anaesthesiology at Asansol District Hospital over a period of 12 months. 102 patients were randomly allotted in 2 groups of 18-60 years, with ASA physical groups I and II posted for laparoscopic surgery under General Anaesthesia.


 
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