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CTRI Number  CTRI/2025/05/086807 [Registered on: 13/05/2025] Trial Registered Prospectively
Last Modified On: 12/05/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Comparison of different doses of chlorprocaine for sphincterotomy surgery under spinal anaesthesia 
Scientific Title of Study   Comparison between intrathecal variable doses of chlorprocaine with fentanyl for LAS surgeries 
Trial Acronym  nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Krishna Chaitanya R 
Designation  Assistant professor 
Affiliation  Government Medical College Kadapa 
Address  Department of Anaesthesia , Government Medical College Kadapa

Cuddapah
ANDHRA PRADESH
516002
India 
Phone  9000886604  
Fax    
Email  dr.krishnachaitanyaraacherla@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Krishna Chaitanya R 
Designation  Assistant professor 
Affiliation  Government Medical College Kadapa 
Address  Department of Anaesthesia , Government Medical College Kadapa

Cuddapah
ANDHRA PRADESH
516002
India 
Phone  9000886604  
Fax    
Email  dr.krishnachaitanyaraacherla@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Krishna Chaitanya R 
Designation  Assistant professor 
Affiliation  Government Medical College Kadapa 
Address  Department of Anaesthesia , Government Medical College Kadapa

Cuddapah
ANDHRA PRADESH
516002
India 
Phone  9000886604  
Fax    
Email  dr.krishnachaitanyaraacherla@gmail.com  
 
Source of Monetary or Material Support  
Department of Anaesthesiology , Government Medical College , Kadapa 516001 Andhra Pradesh, India 
 
Primary Sponsor  
Name  Dr Krishna Chaitanya R 
Address  Assistant Professor, Department of Anaesthesiology ,Government medical college, Kadapa 516001 Andhra pradesh 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 
Dr Krishna Chaitanya R  Government General Hospital  Department of Anaesthesiology, Government General Hospital Kadapa
Cuddapah
ANDHRA PRADESH 
9000886604

dr.krishnachaitanyaraacherla@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee, Government Medical college, Kadapa  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Chlorprocaine 20mg  Intrathecal administration of single dose of 20mg of Chlorprocaine during spinal anaesthesia for study of Sensory and Motor blockade 
Intervention  Chlorprocaine 30mg  Intrathecal administration of single dose of 30mg Chlorprocaine during spinal anaesthesia for study of Sensory and Motor blockade 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  Patients posted for Haemorrhoidectomy surgery under ASA Grade1 and 2 
 
ExclusionCriteria 
Details  Patients with bleeding disorders, Allergic to Local Anaesthetics agents, Pregnant women, Patients on anticoagulants 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
Sensory and Motor Blockade- Onset and Duration  2,4,6,8,10 and 15minutes, then every 15 minutes for 6hours 
 
Secondary Outcome  
Outcome  TimePoints 
Perioperative hemodynamics and Adverse effects  2,4,6,8,10 and 15minutes, then every 15 minutes for 6hours, then every 2hrs for 12 hours 
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
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)   26/05/2025 
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="0"
Months="2"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary   Hyperbaric Bupivacaine is used for intrathecal administration to provide Anaesthesia for Lateral anal sphincterotomy surgery which hinders the patient to be discharged on day care basis. Chlorprocaine is ideal agent due to short duration Sensory and Motor blockade , for intrathecal adminstration in such cases. This study is done with two different doses of intrathecal Chlorprocaine 20mg and 30mg. 
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