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CTRI Number  CTRI/2025/09/094676 [Registered on: 12/09/2025] Trial Registered Prospectively
Last Modified On: 11/09/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Other 
Public Title of Study   A study comparing pain relief and safety of epidural morphine alone versus epidural morphine with dexamethasone after lower abdominal surgeries. 
Scientific Title of Study   A Comparison of Safety and Effectiveness of Epidural Morphine Versus Epidural Morphine with Dexamethasone for Post Operative Analgesia in Infraumbilical 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 Santhosh M C B 
Designation  Associate professor 
Affiliation  Mandya Institute of Medical Sciences 
Address  Department of Anaesthesiology Mandya Institute of Medical Sciences Mandya
Department of Anaesthesiology Mandya Institute of Medical Sciences Mandya
Mandya
KARNATAKA
571401
India 
Phone  9886811263  
Fax    
Email  mcbsanthu@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Santhosh M C B 
Designation  Associate professor 
Affiliation  Mandya Institute of Medical Sciences 
Address  Department of Anaesthesiology Mandya Institute of Medical Sciences Mandya
Department of Anaesthesiology Mandya Institute of Medical Sciences Mandya
Mandya
KARNATAKA
571401
India 
Phone  9886811263  
Fax    
Email  mcbsanthu@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Santhosh M C B 
Designation  Associate professor 
Affiliation  Mandya Institute of Medical Sciences 
Address  Department of Anaesthesiology Mandya Institute of Medical Sciences Mandya
Department of Anaesthesiology Mandya Institute of Medical Sciences Mandya
Mandya
KARNATAKA
571401
India 
Phone  9886811263  
Fax    
Email  mcbsanthu@gmail.com  
 
Source of Monetary or Material Support  
Department of Anaesthesiology Mandya Institute of Medical Sciences 
 
Primary Sponsor  
Name  Dr Santhosh M C B 
Address  Associate Professor Department of Anaesthesiology Mandya Institute of Medical Sciences Mandya 
Type of Sponsor  Other [Self] 
 
Details of Secondary Sponsor  
Name  Address 
Dr Lakshmilal U R  Post graduate student Department of Anaesthesiology Mandya Institute of Medical Sciences Mandya 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Lakshmilal U R   Mandya Institute of Medical Sciences  major OT Department of Anaesthesiology Mandya Institute of Medical Sciences Mandya
Mandya
KARNATAKA 
9633397068

lakshmilaluttoly@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institution Ethics Committee   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 
Intervention  morphine  patient will be given epidural topup with 1mg morphine diluted to 10ml with normal saline  
Comparator Agent  morphine with dexamethasone  patient will be given epidural topup with combination of 0.5mg morphine and 4mg dexamethasone diluted to 10ml with normal saline 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  American Society Of Anaesthesiologist grade I and II
Patients willing to give informed consent  
 
ExclusionCriteria 
Details  Pregnant women
patients with history of long term use of corticosteroids or any analgesics
patients with history of allergy to study drugs 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Case Record Numbers 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
To compare the duration of postoperative analgesia between epidural morphine versus combination of epidural morphine with dexamethasone among patients undergoing infraumbilical surgeries  24 hours 
 
Secondary Outcome  
Outcome  TimePoints 
to compare adverse effects and hemodynamic changes between two groups  24 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   Phase 4 
Date of First Enrollment (India)   25/09/2025 
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="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
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   Epidural morphine provides effective pain relief and patient satisfaction following major surgeries. It acts by binding to opioid receptors in the spinal cord, thereby reducing transmission of pain signals.  However adverse effects of opioids such as pruritis, nausea, vomiting, urinary retention are non-fatal but troublesome whereas delayed respiratory depression especially with higher doses of epidural morphine (>2 mg) can be a serious side effect. Dexamethasone is a long-acting corticosteroid improves quality of sensory block in peripheral nerve blocks and epidural anaesthesia. The mechanism of action is by decreasing inflammation, delaying impulses in C-fibers, and stopping the ectopic discharges of the nerves, thus enhances the duration of analgesia with opioid sparing and antiemetic effects. This study has been designed to evaluate the usefulness of 1mg morphine versus combination of 0.5mg morphine and 4mgdexamethasone in providing postoperative analgesia with respect to duration and quality of analgesia. 
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