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CTRI Number  CTRI/2022/10/046651 [Registered on: 20/10/2022] Trial Registered Prospectively
Last Modified On: 19/10/2022
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   Laternal Internal Sphincterotomy versus Manual Anal Dilatation in Chronic Anal Fissure 
Scientific Title of Study   Lateral Internal Sphincterotomy versus Manual Anal Dilatation in Chronic Anal Fissure- A Randomized Control Trial  
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Ponprabu 
Designation  Postgraduate 
Affiliation  Pondicherry Institute of Medical Sciences 
Address  Room no 227, Annex building, Pondicherry Institute of Medical Sciences, Kalapet

Pondicherry
PONDICHERRY
605014
India 
Phone  8220691685  
Fax    
Email  d.m.ponprabu@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Peter Manoharan Chelappa 
Designation  Professor 
Affiliation  Pondicherry Institute of Medical Sciences 
Address  Department of General Surgery,Pondicherry Institute of Medical Sciences, Kalapet

Pondicherry
PONDICHERRY
605014
India 
Phone  9447591100  
Fax    
Email  peternirmala@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Ponprabu 
Designation  Postgraduate 
Affiliation  Pondicherry Institute of Medical Sciences 
Address  Department of General Surgery,Pondicherry Institute of Medical Sciences, Kalapet

Pondicherry
PONDICHERRY
625009
India 
Phone  08220691685  
Fax    
Email  d.m.ponprabu@gmail.com  
 
Source of Monetary or Material Support  
Institutional support (PIMS) 
 
Primary Sponsor  
Name  Pondicherry Institute of medical Sciences 
Address  Department of General Surgery Pondicherry Institute of medical Sciences, Kalapet 
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 
Ponprabu  Pondicherry Institute of medical Sciences  Department of General Surgery Pondicherry Institute of edical Sciences, Kalapet
Pondicherry
PONDICHERRY 
8220691685

d.m.ponprabu@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
PIMS institute ethics committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K601||Chronic anal fissure, (2) ICD-10 Condition: K602||Anal fissure, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Lateral Internal Sphincterotomy  49 patients will be subjected to Lateral Intersphincterotomy 
Intervention  Manual Anal Dilatation  49 patients with chronic anal fissure underwent Manual Anal Dilatation 
 
Inclusion Criteria  
Age From  20.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1) Patients with Chronic Anal Fissure( ≥ 6 weeks of duration)
2) Age 20-60years.
3) Failed conservative management. (Not responded to conservative management of chronic anal fissure for ≥ 6weeks)
 
 
ExclusionCriteria 
Details  1) Patients with Chronic Anal Fissure( ≥ 6 weeks of duration)
2) Age 20-60years.
3) Failed conservative management. (Not responded to conservative management of chronic anal fissure for ≥ 6weeks)
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   An Open list of random numbers 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
To determine post operative pain and incontinence in subjects with Chronic Anal Fissure undergoing Lateral Internal Sphincterotomy compared with Manual Anal Dilatation.

 
24 hours after surgery, at the time of discharge, 1st month, 2nd month and 3rd month

 
 
Secondary Outcome  
Outcome  TimePoints 
To determine the rate of ulcer healing in Lateral Internal Sphincterotomy compared with Manual Anal Dilatation in subjects with Chronic Anal Fissure.  24 hours after surgery, at the time of discharge, 1st month, 2nd month and 3rd month 
 
Target Sample Size   Total Sample Size="98"
Sample Size from India="98" 
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)   24/10/2022 
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="2"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   Not applicable 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary  

Two surgical methods are compared here. Manual anal dilatation is one of the ancient and simple surgery, but with high incidence of recurrence and incontinence. Lateral internal sphincterotomy is the most preferred procedure in the current days but again with incidence of incontinence.(3)

                   Atleast 5 month follow up of 99 patients treated by sphincter stretch and reported recurrence rate of16%.  Sphincterotomy results in sustained reduction of maximum resting anal pressure.(4)

                   Hiltunen et al, found that the basal pressure was comparatively lower in the patients who underwent LIS, after 2 months of surgery,however, there were 4 failures among the 19 patients who underwent MAD. Many studies have demonstrated lower incontinence rate following LIS compared to MAD.

                     Hareesh GSR et al described that in a sample of 60 patients, 4 (6.67%) patients were experiencing nocturnal soiling and 56 (93.33%) patients are not having nocturnal soiling. In MAD, 3 (10.0%) patients were experiencing Nocturnal soiling whereas in LAS, only 1 (3.3%) patient had Nocturnal soiling as complication.

                             Rakesh Kumar et al described that, over the period of 9 month follow-up, 8 (16%) and 1 (2.27%) patients in LIS group and MAD group  respectively reported with recurrence of symptoms and the fissure was evident on examination also (p = 0.05).

 
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