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CTRI Number  CTRI/2018/12/016807 [Registered on: 31/12/2018] Trial Registered Prospectively
Last Modified On: 02/04/2021
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Multiple Arm Trial 
Public Title of Study   A clinical trial of comparing the effects of drugs namely Dexmedetomidine and Fentanyl when added to local anaesthetic solution used in injection around wound in in surgeries around anal canal in reducing pain after surgery 
Scientific Title of Study   Comparison of analgesic efficacy of bupivacaine, bupivacaine and dexmedetomidine, and bupivacaine and Fentanyl in would infiltration technique in perianal surgeries: A prospective, randomized controlled study. 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Gopalakrishnan K MD 
Designation  Assistant Professor 
Affiliation  Aarupadai Veedu Medical College and Hospital 
Address  Department of Anaesthesiology, Aarupadai Veedu Medical College and Hospital,Kirumampakkam,Pondicherry.
5,6 MAC avenue, Nellikuppam main road, Cuddalore District, Tamil Nadu 607 001
Pondicherry
PONDICHERRY
607402
India 
Phone  9364450310  
Fax    
Email  gopalakrishnan.kuppusamy@avmc.edu.in  
 
Details of Contact Person
Scientific Query
 
Name  Haribabu V MD 
Designation  Associate Professor 
Affiliation  Aarupadai Veedu Medical College and Hospital 
Address  Department of Anaesthesiology, Aarupadai Veedu Medical College and Hospital,Kirumampakkam,Pondicherry.
Department of anaesthesiology, Aarupadai Veedu Medical College and Hospital,Kirumampakkam,Pondicherry.
Pondicherry
PONDICHERRY
607402
India 
Phone  9442369647  
Fax    
Email  saravanaharibabu@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Haribabu V MD 
Designation  Associate Professor 
Affiliation  Aarupadai Veedu Medical College and Hospital 
Address  Department of anaesthesiology, Aarupadai Veedu Medical College and Hospital,Kirumampakkam,Pondicherry.
Department of anaesthesiology, Aarupadai Veedu Medical College and Hospital,Kirumampakkam, Pondicherry.
Pondicherry
PONDICHERRY
607402
India 
Phone  9442369647  
Fax    
Email  saravanaharibabu@gmail.com  
 
Source of Monetary or Material Support  
Aarupadai Veedu Medical College and Hospital, Kirumampakkam, Pondicherrry 607402 
 
Primary Sponsor  
Name  GOPALAKRISHNAN K 
Address  ASSISTANT PROFESSOR, Department of anaesthesiology, Aarupadai Veedu medical college and Hospital, Puducherry 
Type of Sponsor  Private 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 
Gopalakrishnan K  Aarupadai Veedu Medical College and Hospital, Puducherry  Aarupadai Veedu medical college and hospital,Kirumampakkam, Puducherry 607402
Pondicherry
PONDICHERRY 
9364450310

drkgpal73@gmail.com 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 2  
Name of Committee  Approval Status 
Institutional Human Ethical Committee, AARUPADAI VEEDU MEDICAL COLLEGE &HOSPITAL  Approved 
Institutional Research Committee, Aarupadai Veedu Medical College & Hospital, Puducherry  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K602||Anal fissure, unspecified, (2) ICD-10 Condition: K603||Anal fistula, (3) ICD-10 Condition: K649||Unspecified hemorrhoids,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Dexmedetomidine and Fentanyl  In Group A dexmedetomidine 1.5micg/kg will be added to the local anaesthetic solution of 15ml 0.5% bupivacaine. In Group B, Fentanyl 2micg/ml will be added to the local anaesthetic solution 15ml of 0.5% bupivacaine heavy. In Group C, 1ml saline will be added to the local anaesthetic solution 15 ml of 0.5% bupivacaine. 
Intervention  Wound infiltration with local anaesthetic agent bupivacaine and addition of drugs Dexmedetomidine and Fentanyl to the local anaesthetic solution  Wound infiltration with 15ml 0.5% bupivacaine will be done only once at the end of surgery. Dexmedetomidine 1.5micg/kg , Fentanyl 2micg/ml and 1ml saline will be added to the bupivacaine solution in Group A, Group B and Group C respectively. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  50.00 Year(s)
Gender  Both 
Details  Patients undergoing uncomplicated perianal surgeries like haemorrhoidectomy, fissure in ano and fistula in ano, ASA I & II, Normal BMI 
 
ExclusionCriteria 
Details  ASA III and above, Obese, underweight subjects(BMI) , pregnant women, patients with bleeding and clotting disorders, allergic to local anesthetic agents,inadequate spinal blockade supplemented by other drugs and complicated surgeries will be excluded from the study. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Pre-numbered or coded identical Containers 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Dexmedetomidine prolongs the postoperative analgesia of wound infiltration with bupivacaine and is superior to addition of fentanyl to local local would infiltration with   12hours 
 
Secondary Outcome  
Outcome  TimePoints 
Total analgesics requirement in 24 hrs is reduced when dexmedetomidine is added to local anaesthetic solution. Addition of Fentanyl to local anaesthetic solution also reduces total analgesic requirement  24hrs 
pain perception at daefacation on next day is less intense.  24 hours 
 
Target Sample Size   Total Sample Size="75"
Sample Size from India="75" 
Final Enrollment numbers achieved (Total)= "0"
Final Enrollment numbers achieved (India)="75" 
Phase of Trial   N/A 
Date of First Enrollment (India)   01/01/2019 
Date of Study Completion (India) 28/10/2019 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details
Modification(s)  
V Haribabu, K Gopalakrishnan, M Suresh Rajkumar, V Ezhil Rajan, R Chandrasekar. Comparison of analgesic efficacy of bupivacaine, bupivacaine with dexmedetomidine, and bupivacaine with fentanyl in local perianal infiltration technique in perianal surgeries: A prospective, randomized controlled study. MedPulse International Journal of Anesthesiology. July 2020; 15(1): 07-14 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary
Modification(s)  
This study is a randomized, double blind, parallel group, controlled, multiarm trial comparing the efficacy of dexmedetomidine  1.5micg/kg and fentanyl 2micg/ml when added to the local aneasthetic solution used for would infiltration done at the end of surgery in patients undergoing uncomplicated perianal surgeries to be conducted at Aarupadai Veedu medical college and Hospital, Pondicherry. The primary outcome measures will be prolonging the postoperative analgesia duration when compared to control group. The secondary outcome measures will be reduction in total number of analgesics received over first 24 hrs and better defaecation score on the next day. Dexmedetomidine provides superior analgesia  than Fentanyl. 
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