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CTRI Number  CTRI/2018/05/013866 [Registered on: 14/05/2018] Trial Registered Retrospectively
Last Modified On: 07/05/2018
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   A Study of Pudendal Nerve Block ( Inferior Rectal Branch) for Post - Haemorrhoidectomy Pain 
Scientific Title of Study   Comparison of the Post- Operative Analgesia in Haemorrhoidectomy patients after Peripheral Block using DEXMEDETOMIDINE VS CLONIDINE 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Madhu Velayudhen 
Designation  Associate Professor 
Affiliation  Sree Gokulam Medical College And Research Foundation 
Address  Associate Professor Department Of Anaesthesiology Sree Gokulam Medical College And Research Foundation Venjaramoodu Trivandrum

Thiruvananthapuram
KERALA
695607
India 
Phone  04723041000  
Fax    
Email  madhuvelayuden@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Vinod Kumar Sudevan 
Designation  Senior Resident 
Affiliation  Sree Gokulam Medical College And Research Foundation 
Address  Department Of Anaesthesiology Sree Gokulam Medical College And Research Foundation Venjaramoodu Trivandrum

Thiruvananthapuram
KERALA
695607
India 
Phone  04723041000  
Fax    
Email  vinodsudevan@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Madhu Velayudhen 
Designation  Associate Professor 
Affiliation  Sree Gokulam Medical College And Research Foundation 
Address  Associate Professor Department Of Anaesthesiology Sree Gokulam Medical College And Research Foundation Venjaramoodu Trivandrum

Thiruvananthapuram
KERALA
695607
India 
Phone  04723041000  
Fax    
Email  madhuvelayuden@gmail.com  
 
Source of Monetary or Material Support  
Sree Gokulam Medical College And Research Foundation 
 
Primary Sponsor  
Name  Sree Gokulam Medical College And Research Foundation 
Address  Department Of Anaesthesiology Sree Gokulam Medical College And Research Foundation Venjaramoodu- 695607  
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 
Dr Madhu Velayudhen  Sree Gokulam Medical College And Research Foundation  Department Of Anaesthesiology Sree Gokulam Medical College And Research Foundation Venjaramoodu- 695607
Thiruvananthapuram
KERALA 
9400369133

madhuvelayuden@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethical Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  Post Haemorrhoidectomy Pain,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Clonidine  Pudendal block with 20 ml of 0.25% Bupivacaine with Clonidine 1 mcg/kg as additive  
Intervention  Dexmedetomidine   Pudendal block with 20 ml of 0.25% Bupivacaine with Dexmedetomidine 1 mcg/kg as additive. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  70.00 Year(s)
Gender  Both 
Details  BMI<30
Normal coagulation parameters and platelet count(>100000)
No systemic infection
 
 
ExclusionCriteria 
Details  BMI>30
Severe liver renal or cardiac disease
Allergy or contraindications to any of the study drugs
Previous surgery in the anal canal
Pain or chronic analgesic administration in the preoperative period
Abnormal coagulation parameters and platelet count(<100000)
Systemic infection
Patient requesting general anaesthesia 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
Duration of post-operative analgesia  Post operative monitoring for 24 hours 
 
Secondary Outcome  
Outcome  TimePoints 
Post operative haemodynamic stability  1,5,10,30,60,120,180,240,360,480,600,720 min after completion of injection 
Sedation  Every 30 minutes for 24 hours during the postoperative period 
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
Final Enrollment numbers achieved (Total)= "60"
Final Enrollment numbers achieved (India)="60" 
Phase of Trial   Post Marketing Surveillance 
Date of First Enrollment (India)   24/10/2014 
Date of Study Completion (India) 24/03/2016 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="2"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details   none yet 
Individual Participant Data (IPD) Sharing Statement

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

Brief Summary  

A study was conducted to compare the duration of post-operative analgesia in patients undergoing haemorrhoidectomy who are given pudendal nerve block with either Clonidine or Dexmedetomidine alongwith local anaesthetic Bupivacaine in the operation theatre of Sree Gokulam Medical College and Research Foundation, Venjaramoodu, Trivandrum, Kerala.

60 patients were randomly divided into two groups of 30 each -- group C underwent pudendal block with 20ml of 0.25% Bupivacaine with Clonidine 1mcg / kg as additive  and group D underwent pudendal block with 20ml of 0.25% Bupivacaine with Dexmedetomidine 1mcg/kg as additive .

Complications like sedation, bradycardia and hypotension were also studied. 

The data was entered in excel and analysed using SPSS 20.0 and compared using t test and chi square test.
There was significant difference in the duration of post-operative analgesia between the two groups.
The duration of analgesia in group C was 761 +/_ 19.1 minutes while in group D it was  1184.57 +/_ 151.374 minutes.

In pudendal nerve block, addition of Dexmeditomidine as an adjuvant to 0.25% Bupivacaine prolongs the duration of post-operative analgesia and is not associated with any major side effects.
Both drugs have an added advantage of conscious sedation and haemodynamic stability, making them potential adjuvants for nerve blocks.

 
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