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CTRI Number  CTRI/2018/06/014675 [Registered on: 29/06/2018] Trial Registered Retrospectively
Last Modified On: 27/06/2018
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Comparing the effect of clonidine and pregabalin in reducing heart rate and blood pressure while placement of tube in windpipe during surgery for gall bladder removal. 
Scientific Title of Study   A comparative evaluation of oral pregabalin and clonidine for attenuation of haemodynamic response to laryngoscopy and tracheal intubation during laparoscopic cholecystectomy 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Rajneesh Choudhary 
Designation  Postgraduate 
Affiliation  V.M.M.C. and Safdarjung Hospital 
Address  Department of Anaesthesiology and Intensive Care, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi - 110029

New Delhi
DELHI
110029
India 
Phone  9716930584  
Fax    
Email  rajneesh.choudharypg@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr H C Sachdeva 
Designation  Consultant and Professor 
Affiliation  V.M.M.C. and Safdarjung Hospital 
Address  Department of Anaesthesiology and Intensive Care, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi - 110029

New Delhi
DELHI
110029
India 
Phone  9868159563  
Fax    
Email  sachdeva_hc04@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Dr H C Sachdeva 
Designation  Consultant and Professor 
Affiliation  V.M.M.C. and Safdarjung Hospital 
Address  Department of Anaesthesiology and Intensive Care, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi - 110029

New Delhi
DELHI
110029
India 
Phone  9868159563  
Fax    
Email  sachdeva_hc04@yahoo.com  
 
Source of Monetary or Material Support  
Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi - 110029 
 
Primary Sponsor  
Name  Vardhman Mahavir Medical College and Safdarjung Hospital New Delhi  
Address  Department of Anaesthesiology and Intensive Care, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi -110029 
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 Rajneesh Choudhary  Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi - 110029  Department of Anaesthesiology and Intensive Care, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi -110029
New Delhi
DELHI 
9716930584

rajneesh.choudharypg@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institute Ethics Commitee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  Patients undergoing elective Laparoscopic Cholecystectomy. ASA I and II. Age between 18 to 65 years. Patients of Either Sex.,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Tablet Clonidine  oral tablet of 0.2 mg, 90 minutes before surgery with a sip of water 
Comparator Agent  Tablet Pregabalin  oral tablet of 75 mg, 90 minutes before surgery with a sip of water. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Undergoing elective Laparoscopic cholecystectomy.
ASA I and II.
 
 
ExclusionCriteria 
Details  Anticipated difficult intubation.
BMI more than 30.
Patient concomitantly on Clonidine or Pregabalin or on Anti hypertensive drugs, Sedatives or hypnotics.
Patients with history of cardiovascular , cerebrovascular, neurological and respiratory disease, renal and hepatic dysfunction.
Patients with history of allergic reactions to any of the study drugs. 
 
Method of Generating Random Sequence   Permuted block randomization, fixed 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
To evaluate the efficacy of oral pregabalin and Clonidine in attenuating the hemodynamic responses to laryngoscopy and intubation.  Before premedication (T0).
Preinduction (TPREI).
Immediately after induction (TP0I).
3 minute after induction (TP0I3).
1(TT1), 3(TT3), 5(TT5) and 10(TT10) minutes after intubation 
 
Secondary Outcome  
Outcome  TimePoints 
to compare the efficacy of Oral pregabalin and clonidine in attenuating the hemodynamic responses to laryngoscopy and intubation  Before premedication.
Preinduction.
Immediately after induction.
3 minute after induction.
1, 3, 5and 10minutes after intubation 
 
Target Sample Size   Total Sample Size="80"
Sample Size from India="80" 
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)   21/01/2017 
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 Applicable 
Recruitment Status of Trial (India)  Open to Recruitment 
Publication Details   Kovac AL et al. Controlling the hemodynamic response to laryngoscopy and endotracheal intubation. J Clin Anesth. 1996 Feb;8(1):63-79. Gupta K, Sharma D, Gupta PK. Oral premedication with pregabalin or clonidine for hemodynamic stability during laryngoscopy and laparoscopic cholecystectomy: A comparative evaluation. Saudi J Anaesth 2011;5:179-84. Tripathi DC, Shah KS, Dubey SR, Doshi SM, Raval PV. Hemodynamic stress response during laparoscopic cholecystectomy: Effect of two different doses of intravenous clonidine premedication. J Anaesthesiol Clin Pharmacol 2011;27:475-80. Singhal SK, Kaur K, Arora P. Oral clonidine versus gabapentin as premedicant for obtunding hemodynamic response to laryngoscopy and tracheal intubation. Saudi J Anaesth 2014;8:172-7. 
Individual Participant Data (IPD) Sharing Statement

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

Brief Summary   The present study is designed to compare the efficacy of oral pregabalin vs clonidine for attenuation of haemodynamic response to laryngoscopy and tracheal intubation in patients undergoing laparoscopic cholecystectomy under general anaesthesia. Haemodynamic changes (HR, SBP, DBP, MAP) following laryngoscopy and intubation will be recorded and compared between the groups. The study is conducted in 80 patients aged 18-65 years with ASA grade 1 or 2 of both gender admitted in VMMC and Safdarjung hospital. patients are divided into two groups, group P - pregabalin and group C - clonidine. patient in group P will receive 75mg oral pregabalin tablet and in group C will receive 200mcg clonidine tablet 90 minutes before surgery with sip of water. A detailed preanaesthetic evaluation including all routine investigations as guide by age will be carried out in all patients. Patients excluded from the study are:
1-anticipated difficult airway.
2-subjects with BMI>30.
3-patients concomitantly on clonidine or pregabalin or consumption of antihypertensive drugs, sedatives or hypnotics.
4-patients with history of cardiovascular, cerebrovascular, neurological and respiratory, renal and hepatic dysfunction.
5-patients with history of allergic reaction to any of the study drugs.                                                      
In OT, standard monitoring including Spo2, NIBP, ECG, HR and sedation level will also be noted. patient will be given fentanyl 2mcg/kg IV and after 3-5 minutes induced with propofol 2-2.5mg/kg IV followed by injection Vecuronium 0.1mg/kg, IPPV with N2O with O2 with isoflurane 0.6% at flow rate of 6L/min, 3 minutes later laryngoscopy and intubation will be performed. haemodynamic parameters will be noted before induction, immediately after induction, 3 minutes after induction and 1,3,5 and 10 minutes after intubation. Anesthesia will be maintained with 66% N2O with O2 and isoflurane 0.6%. At the end of surgery, inhalational anaesthetic agent will be stopped, neuromuscular blockade reversed with inj glycopyrolate 0.01mg/kg and inj neostigmine 0.05mg/kg and trachea extubated. patient will be shifted to postoperative care unit when fully conscious and vitals stable.
 
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