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CTRI Number  CTRI/2024/09/073234 [Registered on: 02/09/2024] Trial Registered Prospectively
Last Modified On: 30/08/2024
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   Comparison of analgesic efficacy between Erector spinae block and Rhomboid intercostal sub-serratus block . 
Scientific Title of Study   Comparison of analgesic efficacy between ultrasound guided Rhomboid Intercostal Sub-Serratus Block and Erector Spinae Plane Block for Postoperative pain in 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  Dr Yadukumar M M 
Designation  Junior Resident 
Affiliation  Institute Of Medical Sciences 
Address  Department of Anaesthesiology office, 1st floor, Sir Sunderlal Hospital, Banaras Hindu University, Pandit Madan Mohan Malviya Road, Kabir colony
Department of Anaesthesiology office, 1st floor, Sir Sunderlal Hospital, Banaras Hindu University, Pandit Madan Mohan Malviya Road, Kabir colony
Varanasi
UTTAR PRADESH
221005
India 
Phone  8861558819  
Fax    
Email  yadukumarmm09@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Yashpal Singh 
Designation  Professor 
Affiliation  Institute Of Medical Sciences 
Address  Department of Anaesthesiology office, 1st floor, Sir Sunderlal Hospital, Banaras Hindu University, Pandit Madan Mohan Malviya Road, Kabir colony
Department of Anaesthesiology office, 1st floor, Sir Sunderlal Hospital, Banaras Hindu University, Pandit Madan Mohan Malviya Road, Kabir colony
Varanasi
UTTAR PRADESH
221005
India 
Phone  9918424416  
Fax    
Email  dryashtrauma@bhu.ac.in  
 
Details of Contact Person
Public Query
 
Name  Dr Yashpal Singh 
Designation  Professor 
Affiliation  Institute Of Medical Sciences 
Address  Department of Anaesthesiology office, 1st floor, Sir Sunderlal Hospital, Banaras Hindu University, Pandit Madan Mohan Malviya Road, Kabir colony
Department of Anaesthesiology office, 1st floor, Sir Sunderlal Hospital, Banaras Hindu University, Pandit Madan Mohan Malviya Road, Kabir colony
Varanasi
UTTAR PRADESH
221005
India 
Phone  9918424416  
Fax    
Email  dryashtrauma@bhu.ac.in  
 
Source of Monetary or Material Support  
material support only by Sir Sunderlal Hospital, Banaras Hindu University, Pandit Madan Mohan Malviya Road, Kabir colony Varanasi UTTAR PRADESH 221005 INDIA 
 
Primary Sponsor  
Name  Institute of medical sciences 
Address  Institute of medical sciences, Banaras Hindu University,Varanasi 221005 
Type of Sponsor  Research institution and hospital 
 
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 
YADUKUMAR M M  Institute Of Medical Sciences, BHU  Department of Anaesthesiology office, 1st floor, Sir Sunderlal Hospital, Banaras Hindu University, Pandit Madan Mohan Malviya Road, Kabir colony
Varanasi
UTTAR PRADESH 
8861558819

yadukumarmm09@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institute Of Medical Sciences_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  Erector spinae plane block  : Patients will be placed in lateral decubitus position with the operation site up, the vertebrae will be counted from cephalad to caudal direction until reaching T5 spinous process. The ultrasound probe will be placed vertically 3 cm lateral to the T5 spinous process. The transverse process has a square form contour as compared to rib which is rounded form contour. Three muscles will be identified superficial to the hyperechoic transverse process shadow as follows: trapezius, rhomboid major, and erector spinae. Under complete aseptic precautions, the needle will be introduced from superior to inferior direction in-plane until the tip lay deep to erector spinae muscle. 0.5-1 mL of non- active fluid will be injected to confirm correct needle tip position by visualizing spread under erector spinae muscle and after confirming a total of 0.6ml/kg of 0.375% Ropivacaine will be injected. 
Comparator Agent  Rhomboid Intercostal sub-serratus block  Patients will be placed in lateral decubitus position with the operating side lying superiorly. The ipsilateral arm was abducted from chest to move scapula laterally, a linear ultrasound probe was placed in sagittal plane at T5-6 level, just medial to scapula, to identify the trapezius, rhomboid major, and intercostal muscles. A 21-gauge needle was inserted in the plane between the rhomboid major and intercostal muscles in a cephalad to caudad direction, and Half dose of 0.6ml/kg of .375% ropivacaine was injected. Thereafter, the ultrasound probe was moved caudally and laterally to identify the tissue plane between serratus anterior and external intercostal muscles for the sub-serratus block at the T8-9 level. The needle was advanced from its previous position, and an remaining half of 0.6ml/kg of 0.375% ropivacaine was injected. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  56.00 Year(s)
Gender  Female 
Details  1.Patient with diagnosis of breast cancer and ASA grade 1 and 2. 
 
ExclusionCriteria 
Details  1.known coagulopathy.
2.allergic to the study drug.
3.hepatic or renal dysfunction.
4.history of receiving anticoagulant treatment.
5.history of chronic opioid consumption.
6.Redo surgeries.
 
 
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 
To compare post-operative NRS score between Rhomboid intercostal sub-serratus
block versus Erector spinae plane block. 
0 min,30 mins,60 mins,2 hrs,6 hrs,12 hrs and 24 hrs 
 
Secondary Outcome  
Outcome  TimePoints 
To compare intraoperative hemodynamic stability between Rhomboid intercostal
sub-serratus block versus Erector spinae plane block.  
Systolic blood pressure,Diastolic blood pressure,Heart rarte,Mean arterial pressure at baseline,after induction,after block,5min,10min,15min,30min
60min,90min,120min and fetanyl consumption intraoperatively. 
To compare total rescue analgesia dose needed between the two groups in postoperative period.
 
rescue analgesia-Tramadol 1.5 mg/kg;maximum dose of 3mg/kg over 24 hrs.
Adequate analgesia-NRS less than 4 
To compare the Needle visibility Score between the two groups  Score 1 – Complete path of needle visualised.
Score 2 – Some part of needle visualised.
Score 3 – Some part of needle visualised with tissue movement.
Score 4 – Some part of needle visualised with hydro dissection and tissue movement.
Score 5 – Nothing is visualised, reinsertion required. 
 
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 3 
Date of First Enrollment (India)   01/10/2024 
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="0"
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   One day prior to the scheduled surgery, all the patients will be instructed on how to evaluate their own pain by using a 10-cm visual analog pain scale (0=no pain, 10= maximum pain imaginable). After an 8 h fast, the patients will be taken into the operation theatre, where an 18-gauge intravenous (IV) cannula will be secured and all ASA standard monitors will be applied. Before induction the patients will be placed in a lateral decubitus position and one of the two regional blocks will be performed. RISS Block: Patients will be placed in lateral decubitus position with the operating side lying superiorly. The ipsilateral arm was abducted from chest to move scapula laterally, a linear ultrasound probe was placed in sagittal plane at T5-6 level, just medial to scapula, to identify the trapezius, rhomboid major, and intercostal muscles. A 21-gauge needle was inserted in the plane between the rhomboid major and intercostal muscles in a cephalad to caudad direction, and Half dose of 0.6ml/kg of .375% ropivacaine was injected. Thereafter, the ultrasound probe was moved caudally and laterally to identify the tissue plane between serratus anterior and external intercostal muscles for the sub-serratus block at the T8-9 level. The needle was advanced from its previous position, and an remaining half of 0.6ml/kg of 0.375% ropivacaine was injected. ESP Block: Patients will be placed in lateral decubitus position with the operation site up, the vertebrae will be counted from cephalad to caudal direction until reaching T5 spinous process. The ultrasound probe will be placed vertically 3 cm lateral to the T5 spinous process. The transverse process has a square form contour as compared to rib which is rounded form contour. Three muscles will be identified superficial to the hyperechoic transverse process shadow as follows: trapezius, rhomboid major, and erector spinae. Under complete aseptic precautions, the needle will be introduced from superior to inferior direction in-plane until the tip lay deep to erector spinae muscle. 0.5-1 mL of non- active fluid will be injected to confirm correct needle tip position by visualizing spread under erector spinae muscle and after confirming a total of 0.6ml/kg of 0.375% Ropivacaine will be injected. After the block is performed the patients will be positioned supine again. General anaesthesia will be induced with intravenous (IV) Inj. midazolam 25-50 mcg/kg, Inj. fentanyl 1-2 mcg/kg and inj. propofol 1-2.5 mg/kg and intubation will be done after administering inj. vecuronium bromide 0.1 mg/kg IV for muscle relaxation. The lungs will be ventilated to maintain an end-tidal carbon dioxide of 30-35 mmHg. Anaesthesia will be maintained with oxygen and isoflurane (1-2 MAC). At the end of surgery, inj. ondansetron 0.1mg/kg will be given and muscle relaxation will be reversed with inj. neostigmine 50 mcg/kg and inj. glycopyrrolate 10 mcg/kg. The trachea will be extubated and the patients will be transferred to post-anaesthetic care unit. For rescue analgesia (when the VAS score will be ≥ 4) in postoperative period, injection tramadol 100 mg will be given. The duration of analgesia will be the time from administration of block to the first use of rescue analgesic.
The obtained data will be recorded and the results will be statistically analyzed by appropriate statistical method.A p value of 0.05 will be considered as significant 
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