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CTRI Number  CTRI/2025/06/088031 [Registered on: 02/06/2025] Trial Registered Prospectively
Last Modified On: 28/05/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   A study to compare effectiveness of 2 different nerve blocks (Serratus posterior superior intercostal plane block and Pectoralis nerve block- PEC II) for pain relief in patients undergoing breast surgery.  
Scientific Title of Study   Comparison of analgesic efficacy of Serratus Posterior Superior Intercostal Plane Block with Pectoralis nerve block (PEC II) in patients undergoing Modified radical mastectomy: A Randomized control trial. 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Ananda Geeta 
Designation  Junior Resident  
Affiliation  AIIMS Patna 
Address  Department of Anesthesiology OT complex 5th floor IPD building AIIMS Patna Phulwari Sharif Patna Bihar

Patna
BIHAR
801507
India 
Phone  7010539415  
Fax    
Email  18.anandageeta@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Poonam Kumari 
Designation  Associate Professor 
Affiliation  AIIMS Patna 
Address  Department of Anesthesiology OT complex 5th floor IPD building AIIMS Patna Phulwari Sharif Patna Bihar

Patna
BIHAR
801507
India 
Phone  7992418189  
Fax    
Email  drpoonamk@aiimspatna.org  
 
Details of Contact Person
Public Query
 
Name  Dr Poonam Kumari 
Designation  Associate Professor 
Affiliation  AIIMS Patna 
Address  Department of Anesthesiology OT complex 5th floor IPD building AIIMS Patna Phulwari Sharif Patna Bihar

Patna
BIHAR
801507
India 
Phone  7992418189  
Fax    
Email  drpoonamk@aiimspatna.org  
 
Source of Monetary or Material Support  
All India Institute of Medical Sciences, Phulwari Sharif, Patna, Bihar,India Pin code:801507  
 
Primary Sponsor  
Name  All India Institute of Medical Sciences, Patna 
Address  Department of Anesthesiology OT complex 5th floor IPD building AIIMS Patna Phulwari Sharif Patna Bihar Pin Code: 801507, 
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 Ananda Geeta  All India Institute of Medical Sciences, Patna  Department of Anesthesiology OT complex 5th floor IPD building AIIMS Patna Phulwari Sharif Patna Bihar
Patna
BIHAR 
7010539415

18.anandageeta@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee, AIIMS Patna  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: C50||Malignant neoplasm of breast,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Pectoralis nerve block (PEC II )  Pectoralis nerve block (PEC II) given using 0.25 % Bupivacaine. 1. In between Pectoralis major and Pectoralis minor muscle ( 10 ml) 2. In between Pectoralis minor muscle and Serratus anterior muscle ( 20 ml)  
Intervention  Serratus posterior superior intercostal plane block  Serratus posterior superior intercostal plane block given with 30 ml of 0.25 % Bupivacaine in the fascial plane between Serratus posterior superior muscle and scapula at the level of 2nd and 3rd rib  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  75.00 Year(s)
Gender  Female 
Details  ASA 1 and 2 patients scheduled for Modified Radical Mastectomy 
 
ExclusionCriteria 
Details  1 Patient refusal to participate in the study
2 BMI more than 40
3 Skin lesions or infection at the planned site of needle insertion
4 Inability to understand about the PCA pump
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
Requirement of post operative opiod (total dose of Morphine) in 24 hours.  24 hours. 
 
Secondary Outcome  
Outcome  TimePoints 
1 Intraoperative opioid (Fentanyl) consumption.
2 Time of first rescue analgesic administration.
3 Average pain NRS score at 24 h postoperatively period (30 min, 2 hour, 4 hour, 8 hour, 12 hour, 24 hour)
4 Patient satisfaction score
5 Any adverse effect
 
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   Phase 4 
Date of First Enrollment (India)   18/06/2025 
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="1"
Months="6"
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  

Postoperative pain is a significant concern following Modified Radical Mastectomy (MRM). Pain after MRM not only causes a strong stress reaction and adverse emotional experience but also affects postoperative rehabilitation. Hence, different analgesia techniques, including local anaesthetic infiltration, intercostal nerve block, paravertebral block, Serratus anterior plane block and thoracic epidural anaesthesia, have been described to attenuate the intensity of acute postoperative pain. Paraspinal block and thoracic epidural anaesthesia may cause parasympathetic symptoms, resulting in hypotension and bradycardia. Additionally, they could lead to general spinal anaesthesia, local hematoma, infection, anaesthetic poisoning, and paraspinal muscle pain. Serratus anterior plane block only provides anterolateral hemi thoracic analgesia and Paravertebral block is associated with a high risk of complications such as pneumothorax and vascular injury. Serratus posterior superior intercostal plane block is a novel block that provide anteroposterior thoracic analgesia. Ultrasound guided Pectoral nerve block (PEC II) has been the most popular block after breast surgeries because of its ease of administration and safety. This randomized controlled trial aims to compare the analgesic efficacy of Serratus posterior superior block with Pectoral nerve block (PEC II).

 
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