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CTRI Number  CTRI/2025/04/084029 [Registered on: 03/04/2025] Trial Registered Prospectively
Last Modified On: 26/03/2025
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 ultrasound guided block and local site infiltration for post operative analgesia in patients undergoing percutaneous nephrolithotomy. 
Scientific Title of Study   Comparison of ultrasound guided erector spinae plane block and local infiltration of incision site for post operative analgesia in patients undergoing percutaneous nephrolithotomy - 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  Samruddhi Homkar 
Designation  Junior resident  
Affiliation  NKPSIMS and Lata Mangeshkar Hospital, Nagpur 
Address  Department of Anesthesiology, NKPSIMS and Lata Mangeshkar Hospital, Hingna, Nagpur

Nagpur
MAHARASHTRA
440019
India 
Phone  9096061822  
Fax    
Email  samruddhi.jagdish@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Sumita Bhargava 
Designation  Associate Professor 
Affiliation  NKPSIMS and Lata Mangeshkar Hospital, Nagpur 
Address  Department of Anesthesiology, NKPSIMS and Lata Mangeshkar Hospital, Hingna, Nagpur

Nagpur
MAHARASHTRA
440019
India 
Phone  7709428071  
Fax    
Email  bhargavasumita@yahoo.in  
 
Details of Contact Person
Public Query
 
Name  Samruddhi Homkar 
Designation  Junior resident  
Affiliation  NKPSIMS and Lata Mangeshkar Hospital, Nagpur 
Address  Department of Anesthesiology, NKPSIMS and Lata Mangeshkar Hospital, Hingna, Nagpur

Nagpur
MAHARASHTRA
440019
India 
Phone  9096061822  
Fax    
Email  samruddhi.jagdish@gmail.com  
 
Source of Monetary or Material Support  
NKP Salve Institute of Medical Sceinces and Research Center and Lata Mangeshkar Hospital, Digdoh Hills, Nagpur 440019. 
 
Primary Sponsor  
Name  NKP Salve Institute of Medical Sceinces and Research Center and Lata Mangeshkar Hospital, Nagpur 
Address  NKP Salve Institute of Medical Sceinces and Research Center and Lata Mangeshkar Hospital, Digdoh Hills, Nagpur 440019. 
Type of Sponsor  Private 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 Samruddhi Homkar  NKP Salve Institute of Medical Sceinces and Research Center and Lata Mangeshkar Hospital.  Department of Anesthesiology, Fourth floor, NKP Salve Institute of Medical Sceinces and Research Center and Lata Mangeshkar Hospital, Digdoh Hills, Nagpur 440019.
Nagpur
MAHARASHTRA 
9096061822

samruddhi.jagdish@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Ethics Committee, NKP Salve Institute of Medical Sceinces and Research Center and Lata Mangeshkar Hospital, Nagpur  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  Ultrasound guided Erector Spinae Plane block using 20 ml of 0.25% Bupivacaine 
Comparator Agent  Local Anesthetic Infiltration  Local Anesthetic Infiltration at surgical site using 20 ml of 0.25% Bupivacaine 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  70.00 Year(s)
Gender  Both 
Details  Patients undergoing PCNL surgery under general anesthesia.
Patients satisfying American Society of Anesthesiologists Class 1 and 2.
Patients with BMI less than 35. 
 
ExclusionCriteria 
Details  Patients not willing to give consent.
Patients with spinal deformity. Eg: Kyphoscoliosis
Patients with sensitivity to local anesthetics.
Contraindications to peripheral nerve blocks.
 
 
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 
Comparison of Ultrasound guided Erector Spinae Plane Block and local anesthetic infiltration of the incision site for post operative analgesia in patients undergoing percutaneous nephrolithotomy  Numeric Rating Scale.
Time of first rescue analgesia.
Total number of rescue analgesics required in 24 hours.
 
 
Secondary Outcome  
Outcome  TimePoints 
Comparison of Ultrasound guided Erector Spinae Plane Block and local anesthetic infiltration of the incision site for post operative analgesia in patients undergoing percutaneous nephrolithotomy in terms of occurrence of any postoperative complications  Nausea 
Vomiting
Difficulty in breathing
 
 
Target Sample Size   Total Sample Size="54"
Sample Size from India="54" 
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 2/ Phase 3 
Date of First Enrollment (India)   07/04/2025 
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="4"
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  
Percutaneous Nephrolithotomy (PCNL) is a minimally invasive surgical technique used to remove renal stones which are either difficult to reach or large or numerous or too dense to be removed by any other method. 

It offers less morbidity, shorter hospital stays and early recovery after surgery. 

Pain after PCNL is caused by dilatation of the renal capsule and the parenchymal tract and from incision of the skin, subcutaneous tissue, muscle layer and the presence of nephrostomy tube.
Intense post operative pain also relates to postoperative complications including pulmonary dysfunction.
NSAIDS can cause severe side effects in these patients with pre existing kidney disease. Therefore they are not preferred.
Loco-regional pain management techniques available for postoperative analgesia provides good pain control.
Post operative analgesia can also be provided by opioids. However, opioids have certain side effects such as nausea, vomiting, itching, respiratory depression etc.
Other regional techniques such as subcutaneous infiltration, peri tubal infiltration, nephrostomy tract infiltration can be invasive.
Local anesthetic infiltration at the site of incision does not provide adequate analgesia thereby increasing the duration of hospital stay.
Erector spinae plane block(ESPB) is a novel technique that is being used nowadays for providing postoperative analgesia in patients undergoing Percutaneous Nephrolithotomy (PCNL) surgery.
It is a paraspinal fascial plane block in which the needle placement is between the erector spinae muscle and the thoracic transverse processes at the level of T10, and a local anesthetic is administered, blocking the dorsal and ventral rami of the thoracic and abdominal spinal nerves.
This blockage of the dorsal and ventral rami of the spinal nerves helps to achieve a multi-dermatomal sensory block of the anterior, posterior, and lateral thoracic and abdominal walls.
The main sources of acute pain after PCNL are visceral pain originating from the kidneys and ureters and somatic pain from the incision site. Renal pain is conducted through the T10–L1 spinal nerves, and ureter pain is conducted through T10–L2.
Moreover, cutaneous innervation of the incision site is predominantly supplied by T10–T11 (T8–T12) because the incision site and tract for PCNL is usually used in the tenth to eleventh intercostal space, or in the subcostal area.
There are limited studies to evidence the benefits of ESPB compared to local anesthetic with respect to postoperative analgesic effect for patients undergoing PCNL surgeries.
The aim of our study is to evaluate the efficacy of ESPB compared to local anesthetic for providing effective postoperative analgesia, requirement of rescue analgesics as well as to record any complications appearing within 24 hours of surgery. 

 
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