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CTRI Number  CTRI/2025/10/095633 [Registered on: 06/10/2025] Trial Registered Prospectively
Last Modified On: 06/10/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Other 
Public Title of Study   A Study Comparing Pain Relief After Breast Augmentation Surgeries Using Ultrasound Guided Nerve Block With Ropivacaine Combined Either With Dexmedetomidine Or With Nalbuphine. 
Scientific Title of Study   Comparison Of Postoperative Analgesic Efficacy Of 0.5 Percentage Ropivacaine With Dexmedetomidine Versus 0.5 Percentage Ropivacaine With Nalbuphine In Ultrasound Guided Erector Spinae Plane Block For Breast Augmentation Surgeries A Prospective Randomized Double Blinded Study 
Trial Acronym  NIIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Mohammed Asjad T 
Designation  Post Graduate 
Affiliation  Shri Sathya Sai Medical Collgege And Research Institute. 
Address  Department of anaesthesiology 2nd floor , Hospital block Shri Sathya Sai medical college and research institute , Ammapettai , Nellikuppam , Kancheepuram Dist
Department of anaesthesiology 2nd floor , Hospital block Shri Sathya Sai medical college and research institute , Ammapettai , Nellikuppam , Kancheepuram Dist
Kancheepuram
TAMIL NADU
603108
India 
Phone  9894967243  
Fax    
Email  drasjad97@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Balasubramanian Anusha  
Designation  Professor  
Affiliation  Shri Sathya Sai Medical Collgege And Research Institute. 
Address  Department of Anaesthesiology 2nd floor , hospital block , Shri Sathya Sai medical college , Ammapettai , Nellikuppam , Kancheepuram Dist
Department of Anaesthesiology 2nd floor , hospital block , Shri Sathya Sai medical college , Ammapettai , Nellikuppam , Kancheepuram Dist
Kancheepuram
TAMIL NADU
603108
India 
Phone  9894967243  
Fax    
Email  drasjad97@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Mohammed Asjad T 
Designation  Post Graduate 
Affiliation  Shri Sathya Sai Medical Collgege And Research Institute. 
Address  Department of anaesthesiology 2nd floor , Hospital block Shri Sathya Sai medical college and research institute , Ammapettai , Nellikuppam , Kancheepuram Dist
Department of anaesthesiology 2nd floor , Hospital block Shri Sathya Sai medical college and research institute , Ammapettai , Nellikuppam , Kancheepuram Dist
Kancheepuram
TAMIL NADU
603108
India 
Phone  9894967243  
Fax    
Email  drasjad97@gmail.com  
 
Source of Monetary or Material Support  
Shri Sathya Sai medical college and reasearch institute , Ammapettai , Nellikuppam , Kancheepuram dist ,Tamil Nadu , India 603108 
 
Primary Sponsor  
Name  Mohammed Asjad T 
Address  Shri Sathya Sai medical college and research institute , Ammapettai , Nellikuppam ,kancheepuram Dist 603108 
Type of Sponsor  Other [self] 
 
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 
Mohammed Asjad T  Shri Sathya Sai Medical College and Research Institute  Department of Anaesthesiology , 2nd floor , Hospital block Shri Sathya Sai Medical College and Research Institute Ammapettai Kancheepuram Tamilnadu 603108
Kancheepuram
TAMIL NADU 
989496743

drasjad97@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
institutional Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  ASA 1 And 2 
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Ropivacaine with Dexmedetomidine and Ropivacaine with Nalbuphine  Drug Ropivacaine 0.5% + Dexmedetomidine 1 mcg per kg Route Ultrasound guided ESP block at level of T3. Total Volume 35 ml Drug Ropivacaine 0.5 percentage + Nalbuphine 10 mg per kg. Route Ultrasound guided ESP block at level of T3. Total Volume 35 ml monitor for 24hr  
Comparator Agent  Ropivacaine with Dexmedetomidine and Ropivacaine with Nalbuphine  Drug Ropivacaine 0.5% + Dexmedetomidine 1 mcg per kg Route Ultrasound guided ESP block at level of T3. Total Volume 35 ml Drug Ropivacaine 0.5 percentage + Nalbuphine 10 mg per kg. Route Ultrasound guided ESP block at level of T3. Total Volume 35 ml 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  Patients under ASA Physical Status I and II undergoing breast augmentation surgery Plastic Surgery.
Gender Transgender patients.
Patients with BMI between 20 to 30 kg per m². 
 
ExclusionCriteria 
Details  Severe spinal deformity.
Known allergy to local anaesthetics.
Systemic illnesses such as uncontrolled hypertension, diabetes, seizure disorder, cardiopulmonary disease.
Bleeding disorders, block site infection, hepatic or renal dysfunction.
BMI more than 30 kg per m².
Patients on anticoagulants/blood thinners.
History of head injury.
Psychiatric illness. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Alternation 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
Duration of postoperative analgesia measured as the time interval between administration of ESP block and first rescue analgesic requirement, recorded in minutes or hours within 24 hours post surgery.  Duration of postoperative analgesia measured as the time interval between administration of ESP block and first rescue analgesic requirement, recorded in baseline , 12th hr and 24th hr post surgery. 
 
Secondary Outcome  
Outcome  TimePoints 
NIL  NIL 
 
Target Sample Size   Total Sample Size="100"
Sample Size from India="100" 
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)   17/10/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  17/10/2024 
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  
This prospective, randomized, double blind study was conducted to compare the postoperative analgesic efficacy of two drug combinations in ultrasound guided erector spinae plane ESP block for patients undergoing breast augmentation surgery. One group received 0.5 Percentage ropivacaine with dexmedetomidine, while the other received 0.5 Percentage ropivacaine with nalbuphine.

The study assessed parameters such as
Duration and quality of postoperative analgesia
Total rescue analgesic requirement
Hemodynamic stability and side effects

The results indicated which adjuvant dexmedetomidine or nalbuphine when combined with ropivacaine, provided superior and longer-lasting pain relief with minimal adverse effects.
 
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