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CTRI Number  CTRI/2025/03/083443 [Registered on: 26/03/2025] Trial Registered Prospectively
Last Modified On: 19/03/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Non-randomized, Active Controlled Trial 
Public Title of Study   Comparing two different techniques of rectus sheath blocks in enhancing the analgesic efficacy in cancer patients undergoing abdominal surgeries 
Scientific Title of Study   Comparison of spread of local anaesthetic mixture and their analgesic efficacy between two point and four point rectus sheath block in cancer patients undergoing midline laparotomy 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.Sivabalakumaran 
Designation  FNB oncoanaesthesia 
Affiliation  MVR Cancer Center and Research Institute 
Address  plot no.21,22, Shiva illam, 1st main road, library street, Ganapathi Nagar, Murungapakkam, Pondicherry

Pondicherry
PONDICHERRY
605004
India 
Phone  9600994850  
Fax    
Email  k.sivabalakumaran@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr.Sivabalakumaran 
Designation  FNB oncoanaesthesia 
Affiliation  MVR Cancer Center and Research Institute 
Address  Plot no.21,22, Shiva Illam, 1st main road, library street, Ganapathi Nagar, Murungapakkam, Pondicherry

Pondicherry
PONDICHERRY
605004
India 
Phone  9600994850  
Fax    
Email  k.sivabalakumaran@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr.Sivabalakumaran 
Designation  FNB oncoanaesthesia 
Affiliation  MVR Cancer Center and Research Institute 
Address  Plot no.21,22, Shiva Illam, 1st main road, Library street, Ganapathi Nagar, Murungapakkam, Pondicherry

Pondicherry
PONDICHERRY
605004
India 
Phone  9600994850  
Fax    
Email  k.sivabalakumaran@gmail.com  
 
Source of Monetary or Material Support  
MVR Cancer Centre and Research Institute, CP 13/516, via B,c,NIT, Vellalassery, Poolacode,Kerala 673601 
 
Primary Sponsor  
Name  not applicable 
Address  nil 
Type of Sponsor  Research institution 
 
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 sivabala kumaran  MVR Cancer Centre and Research Institute  Department of Anaesthesiology, MVR Cancer Centre, 2nd floor, OT block, CP 13/516, via, B, C, NIT, Vellalassery, Poolacode, Kerala 673601
Kozhikode
KERALA 
09600994850

k.sivabalakumaran@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
MVR cancer centre and research institute  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: C15-C26||Malignant neoplasms of digestive organs,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  2 point rectus sheath block  0.25% ropivacaine- 30ml each site given at 2 sites(total 150mg) as a single shot injection in the muscular plane under ultrasound guidance 
Comparator Agent  4 point rectus sheath block  0.25% ropivacaine- 15ml each site given at 4 sites (total 150mg) as a single shot injection in the muscular plane under ultrasound guidance 
 
Inclusion Criteria  
Age From  19.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  patient willing to give informed consent, assessed under ASA 1-4, weight more than 50kg 
 
ExclusionCriteria 
Details  patient with low IQ, allergic to LA, infection at the site of injection 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
to evaluate and compare the spread of LA in rectus sheath plane between two techniques  10minutes after the block 
 
Secondary Outcome  
Outcome  TimePoints 
To evaluate & compare the efficacy of analgesia intraoperatively based on vitals & requirement of epidural & intravenous analgesics & postoperatively based on VAS score between two techniques
 
intraoperatively every 10min until first 1hr & 30min thereafter & during postop period at 0, 2, 4, 6, 8 & 12hrs 
 
Target Sample Size   Total Sample Size="66"
Sample Size from India="66" 
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)   08/04/2025 
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  
BACKGROUND: Rectus sheath block (RSB) provides excellent analgesia for midline abdominal procedures. The lacuna in the literature in comparing 2points with 4points RSB in conjunction with the spread of drugs and its analgesic efficacy during intraoperative and postoperative period is being addressed in this study.
AIM: To compare the efficacy of analgesia and drug spread between the two techniques of RSB in midline laparotomy surgeries. 
METHODOLOGY: patients were divided into group-1(n=33) receiving 2-point RSB and group-2(n=33) receiving 4-point RSB using 0.25% ropivacaine with 4mg dexamethasone. People willing to give written informed consent, weighing >50kg and aged >18years assessed under ASA 1 to 4 are included in this study. Outcomes such as spread of local anaesthetics between 2 techniques after 10min of block procedure and their analgesic efficacy intraoperatively based on vitals recorded every 10min for first 1hour and thereafter every 30min once till the end of surgery, requirement of rescue analgesics (epidural bolus and opioids) and postoperatively based on VAS score recorded at 0,1,2, 4,6,8,12 hrs and rescue analgesics used were noted.
RATIONAL FOR THE STUDY: 

Even though there are many literatures stating the efficacy of analgesia with rectus sheath block none of them explained the spread of local anaesthetics in posterior rectus sheath plane. There is a lacuna in the literature in comparing the spread of local anaesthetics between 2points and 4points RSB and its efficacy with respect to intraop and post op analgesia.

 
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