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CTRI Number  CTRI/2026/01/102049 [Registered on: 27/01/2026] Trial Registered Prospectively
Last Modified On: 24/01/2026
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   A Comparison of Regional Nerve Block and Morphine for Postoperative Pain Relief Following Breast Cancer Surgery 
Scientific Title of Study   COMPARISION OF POST-OPERATIVE ANALGESIA USING ULTRASOUND GUIDED ERECTOR SPINAE PLANE BLOCK VERSUS INTRAVENOUS MORPHINE AND LOCAL ANAESTHETIC WOUND INFILTRATION IN PATIENTS UNDERGOING MODIFIED RADICAL MASTECTOMY 
Trial Acronym  Nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  DrKUMAR VAIBHAV GAUTAM  
Designation  PG Resident  
Affiliation  Vardhman Mahavir Medical College and Safdarjung hospital  
Address  Department of Anaesthesia and Intensive care,VMMC and Safdarjung hospital,Ansari Nagar East,New Delhi

South
DELHI
110029
India 
Phone  8920581848  
Fax    
Email  krvaibhavgautam.998@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  DrNishtha Kachru 
Designation  Professor  
Affiliation  Vardhman Mahavir Medical College and Safdarjung hospital  
Address  Department of Anaesthesia and Intensive care,VMMC and Safdarjung hospital,Ansari Nagar East,New Delhi

South
DELHI
110029
India 
Phone  9958844229  
Fax    
Email  kachnishtha98@gmail.com  
 
Details of Contact Person
Public Query
 
Name  DrNishtha Kachru 
Designation  Professor  
Affiliation  Vardhman Mahavir Medical College and Safdarjung hospital  
Address  Department of Anaesthesia and Intensive care,VMMC and Safdarjung hospital,Ansari Nagar East,New Delhi


DELHI
110029
India 
Phone  9958844229  
Fax    
Email  kachnishtha98@gmail.com  
 
Source of Monetary or Material Support  
Vardhaand Safdarjung hospital,Ansari Nagar East,New Delhi  
 
Primary Sponsor  
Name  Vardhman Mahavir Medical College and Safdarjung hospital  
Address  Department of Anaesthesia and Intensive care,VMMC and Safdarjung hospital,Ansari Nagar East,New Delhi 
Type of Sponsor  Government 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 KUMAR VAIBHAV GAUTAM   Vardhman Mahavir Medical College and Safdarjung hospital   Department of Anaesthesia and Intensive care,VMMC and Safdarjung hospital,Ansari Nagar East,New Delhi
South
DELHI 
8920581848

krvaibhavgautam.998@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: C509||Malignant neoplasm of breast of unspecified site, (2) ICD-10 Condition: C504||Malignant neoplasm of upper-outerquadrant of breast,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Erector spinae plane block  20 ml of 0.25% Bupivacaine for Erector spinae plane block in MRM surgery. 
Comparator Agent  intravenous morphine  Injection 0.1mg/kg i.v.morphine is given in 2nd group.  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Female 
Details  Adult female patients aged between 18-65 years with ASA(American Society of
Anaesthesiologists) grade between I-III who are posted for elective modified radical
mastectomy under general anaesthesia are included. 
 
ExclusionCriteria 
Details  The patients with the following preoperative conditions will be excluded from the study:
1. Contraindication to nerve block(coagulopathies/on anticoagulants/ local site infection)
2. Patients who will be known cases of CKD, and COPD.
3. Pregnancy
4. Patients with spinal anomalies.
5. Drug allergy.
6. Patients who have cognitive disability and are unable to understand the NRS score. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant, Investigator and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
To compare the post-operative analgesic efficacy of ultrasound guided erector spinae block
with intraoperative intravenous morphine followed by local anaesthetic infiltration at the
incision site in patients undergoing modified radical mastectomy using Numerical Rating
Scale(NRS) at 4 hours. 
4 hours. 
 
Secondary Outcome  
Outcome  TimePoints 
1. To compare the amount of additional analgesia required over 24 hours in both groups.
2. To compare postoperative analgesia duration(time to first rescue analgesia) in first 24
hours in both groups. 
24 hours 
 
Target Sample Size   Total Sample Size="64"
Sample Size from India="64" 
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)   05/02/2026 
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="1"
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   This study aims to fill the gap in literature evaluating post-operative analgesia using ultrasound guided
erector spinae plane block versus intravenous morphine followed by local anaesthetic wound
infiltration in patients undergoing modified radical mastectomy.
 
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