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CTRI Number  CTRI/2024/01/061879 [Registered on: 29/01/2024] Trial Registered Prospectively
Last Modified On: 29/05/2026
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   A Comprehensive Study on Pain Relief Methods Comparing Erector Spinae Plane Block and Paravertebral Block in subcostal incision abdominal surgery 
Scientific Title of Study   Comparison of Analgesic efficacy of Erector Spinae plane block with Paravertebral block in adult patient undergoing subcostal incision abdominal surgery: a randomized controlled 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  PRINCE KUMAR 
Designation  ACADEMIC JUNIOR RESIDENT  
Affiliation  AIIMS PATNA 
Address  DEPARTMENT OF ANAESTHESIOLOGY AIIMS PATNA PHULWARISHARIF, PATNA, BIHAR

Patna
BIHAR
801507
India 
Phone  7759835577  
Fax    
Email  whitecoatno.60@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  POONAM KUMARI 
Designation  ASSOCIATE PROFESSOR 
Affiliation  AIIMS PATNA 
Address  DEPARTMENT OF ANAESTHESIOLOGY AIIMS PATNA, PHULWARISHARIF

Patna
BIHAR
801507
India 
Phone  7992418189  
Fax    
Email  drpoonamk@aiimspatna.org  
 
Details of Contact Person
Public Query
 
Name  POONAM KUMARI 
Designation  ASSOCIATE PROFESSOR 
Affiliation  AIIMS PATNA 
Address  DEPARTMENT OF ANAESTHESIOLOGY AIIMS PATNA, PHULWARISHARIF

Patna
BIHAR
801507
India 
Phone  7992418189  
Fax    
Email  drpoonamk@aiimspatna.org  
 
Source of Monetary or Material Support  
Department of anaesthesiology AIIMS Patna, Bihar, India - 801507 
 
Primary Sponsor  
Name  All India Institute of Medical Sciences Patna 
Address  Department of anaesthesiology B Block OT Complex , 5th floor IPD building, AIIMS Patna 
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 
Prince kumar  All India Institute of Medical Sciences, Patna  DEPARTMENT OF ANAESTHESIOLOGY, 5TH FLOOR OT COMPLEX,IPD BUILDING Patna BIHAR
Patna
BIHAR 
7759835577

whitecoatno.60@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
IEC AIIMS PATNA  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K87||Disorders of gallbladder, biliarytract and pancreas in diseases classified elsewhere, (2) ICD-10 Condition: K928||Other specified diseases of the digestive system,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Erector spinae plane block   20ml of 0.25% bupivacaine  
Intervention  Paravertebral plane block  20 ml 0.25% bupivacaine  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  75.00 Year(s)
Gender  Both 
Details  Patients aged 18 yrs to 75 yrs ASA I and II patients for scheduled to undergo elective subcostal incision abdominal surgery 
 
ExclusionCriteria 
Details  Patients aged less than 18 yrs and more than 75 yrs
ASA III and IV patients
Patients refusing for study
Local site infection or lesions 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
To compare the post operative 24 hour opioid consumption  To compare the post operative 24 hour opioid consumption 
 
Secondary Outcome  
Outcome  TimePoints 
To compare the time of first rescue analgesic administration  From the time of administration of block to the first need of use of analgesic administration 
To compare intra operative opioid consumption  From the time of administration of block to the end of the surgery 
To measure the average pain NRS score at 24 hour post operative period.  30 minutes, 2 hour, 4 hour, 8 hour, 12 hour, 24 hour 
 
Target Sample Size   Total Sample Size="46"
Sample Size from India="46" 
Final Enrollment numbers achieved (Total)= "48"
Final Enrollment numbers achieved (India)="48" 
Phase of Trial   N/A 
Date of First Enrollment (India)   31/01/2024 
Date of Study Completion (India) 24/06/2025 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Completed 
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
Modification(s)  
Upper abdominal surgeries often involve extensive tissue manipulation and surgical incisions, which can result in significant postoperative pain. Adequate analgesia is essential to ensure patient comfort and promote a smoother recovery process. Effective pain management plays a crucial role in enhanced recovery after surgery (ERAS) protocols. By providing optimal analgesia, patients experience reduced pain and discomfort, enabling them to mobilize earlier, resume normal activities, and achieve faster recovery. Inadequate pain control can lead to decreased respiratory function, shallow breathing, and impaired lung expansion. This can potentially increase the risk of postoperative complications, such as atelectasis and pneumonia. Optimal analgesia helps maintain respiratory function, reducing the likelihood of such complicationsAdequate pain relief promotes patient satisfaction and overall well-being. Patients experiencing well-controlled pain are more likely to have a positive perception of their surgical experience, resulting in higher patient satisfaction scores. Achieving effective pain control requires a multimodal approach that combines different analgesic techniques and medications. Thoracic paravertebral block (TPVB) has been successfully used as anaesthesia for liver and kidney tumor ablation surgery. Different analgesia techniques, including local anaesthetic infiltration, intercostal nerve block, paravertebral block, and thoracic epidural anesthesia, have been described to attenuate the intensity of acute postoperative pain. Thoracic paravertebral block (TPVB) is an effective technique in controlling pain after lower thoracic and upper abdominal surgeries. The erector spinae block has demonstrated efficacy in various surgical procedures, including thoracic surgery, breast surgery, and abdominal surgery. 
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