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CTRI Number  CTRI/2019/03/018007 [Registered on: 08/03/2019] Trial Registered Prospectively
Last Modified On: 07/03/2019
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   A study to compare the how good is dexmedetomidine and labetalol for providing reduced blood pressure during anaesthesia for surgeries of ear, nose and throat. 
Scientific Title of Study   A randomized control trial to compare the efficacy of dexmedetomidine and labetalol for induced hypotensive anaesthesia in ear, nose and throat surgeries 
Trial Acronym   
Secondary IDs if Any    
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Robin Sajan Chacko 
Designation  Post Graduate 
Affiliation  Shri Sathya Sai Medical College and Research Institute 
Address  Department of Anaesthesiology Shri Sathya Sai Medical College and Research Institute Thiruporur Guduvanchery Main Road Ammapettai Nellikuppam Kancheepuram India

Kancheepuram
TAMIL NADU
603108
India 
Phone  9496140000  
Fax    
Email  robinsajan@hotmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Vinod Krishnagopal 
Designation  Professor 
Affiliation  Shri Sathya Sai Medical College and Research Institute 
Address  Department of Anaesthesiology Shri Sathya Sai Medical College and Research Institute Thiruporur Guduvanchery Main Road Ammapettai Nellikuppam Kancheepuram 503108 Tamil Nadu India
Shri Sathya Sai Medical College and Research Institute
Kancheepuram
TAMIL NADU
603108
India 
Phone  984155756  
Fax    
Email  vinodkrishnagopal@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Robin Sajan Chacko 
Designation  Post Graduate 
Affiliation  Shri Sathya Sai Medical College and Research Institute 
Address  Department of Anaesthesiology Shri Sathya Sai Medical College and Research Institute Thiruporur Guduvanchery Main Road Ammapettai Nellikuppam Kancheepuram India

Kancheepuram
TAMIL NADU
603108
India 
Phone  9496140000  
Fax    
Email  robinsajan@hotmail.com  
 
Source of Monetary or Material Support  
Shri Sathya Sai Medical College and Research Institute Thiruporur Guduvanchery Main Road Ammapettai Nellikuppam Kancheepuram 503108 Tamil Nadu India 
 
Primary Sponsor  
Name  Robin Sajan Chacko 
Address  KBC Enclave, Laikkad, Perunna PO, Changanacherry, Kottayam 686102, Kerala, India 
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 
Robin Sajan Chacko  Shri Sathya Sai Medical College and Research Institute  ENT OT number 5 Second Floor OT Complex Shri Sathya Sai Medical College and Research Institute, Thiruporur Guduvanchery Main Road, Ammapettai Nellikuppam, Kancheepuram 603108
Kancheepuram
TAMIL NADU 
9496140000

robinsajan@hotmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institute Human Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: J399||Disease of upper respiratory tract, unspecified, (2) ICD-10 Condition: H952||Intraoperative hemorrhage and hematoma of ear and mastoid process complicating a procedure,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Dexmedetomidine  Loading infusion of 1mcg/kg over 10 minutes followed by maintenance infusion of 0.4mcg/kg/hr for producing controlled hypotension during general anaesthesia 
Intervention  Labetalol  Loading Infusion of 0.25mg/kg over 10 minutes followed by maintenance infusion of 30mg/hr for producing controlled hypotension during general anaesthesia 
Comparator Agent  NIL  NIL 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1.Patients of either sex undergoing elective ENT surgeries under general anaesthesia
2. American Society of Anaesthesiologists I or II
3. BMI between 18.5 and 24.9 kg/m2 
 
ExclusionCriteria 
Details  1. American Society of Anaesthesiologists III and above
2. Allergic to study drugs.
3. Asthmatic patients.
4. Patients having coagulopathy.
5. Patients with heart blocks.
6. Lactating mothers and pregnant patients.
7. Hepatic or renal abnormality.
8. Patients with congestive cardiac failure, bradycardia.
9. Hypertensive patients.
10. Patients using beta blockers. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
To compare the effectiveness of dexmedetomidine and labetalol to induce controlled hypotension of 20-30% reduction in mean arterial pressure from the baseline.  Intraoperative Period 
 
Secondary Outcome  
Outcome  TimePoints 
To compare surgeon’s satisfaction of surgical field between the study drugs.  Intraoperative period 
To compare total blood loss occurring during surgery between the study drugs.  Intraoperative period 
To compare recovery time between the study drugs.  Postoperative period 
 
Target Sample Size   Total Sample Size="58"
Sample Size from India="58" 
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)   12/03/2019 
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)  Not Yet Recruiting 
Publication Details   None yet 
Individual Participant Data (IPD) Sharing Statement

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

Brief Summary   This is a randomized controlled trial to compare the efficacy of dexmedetomidine and labetalol for producing induced hypotensive anaesthesia in 58 patients posted for ear nose throat surgeries over a period of 18 months. The primary outcome would be to compare the effectiveness of dexmedetomidine and labetalol to induce controlled hypotension of 20-30% reduction in mean arterial pressure from the baseline. The secondary objectives are to compare surgeon’s satisfaction of surgical field between the study drugs, to compare total blood loss occurring during surgery between the study drugs and to compare recovery time between the study drugs. 
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