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CTRI Number  CTRI/2026/01/100325 [Registered on: 05/01/2026] Trial Registered Prospectively
Last Modified On: 03/01/2026
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia
Other (Specify) [Pain intervention]  
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   The effect of chest block in reducing blood pressure and heart rate perturbation to surgical incision in adult patients undergoing open heart surgeries 
Scientific Title of Study   The efficacy of ultrasound guided pecto intercostal fascial block in attenuating haemodynamic response to sternotomy in adult patients undergoing cardiac surgeries:A prospective randomized double blind 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  Chukkaluru Sumadhu 
Designation  Assistant Professor 
Affiliation  Sri Venkateswara Institute of Medical Sciences 
Address  Dr.C.Sumadhu Assistant Professor, Dept of Anaesthesiology, SVIMS Tirupati
Dr.C.Sumadhu Assistant Professor, Dept of Anaesthesiology, SVIMS Tirupati
Chittoor
ANDHRA PRADESH
517507
India 
Phone  9177704349  
Fax    
Email  sumadhu13121991@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Aloka Samantaray 
Designation  Professor and Head of the Department 
Affiliation  Sri Venkateswara Institute of Medical Sciences 
Address  Dr Aloka Samantaray Professor and Head of the Department Dept of Anaesthesiology SVIMS,Tirupati

Chittoor
ANDHRA PRADESH
517507
India 
Phone  9490713247  
Fax    
Email  aloksvims@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Aloka Samantaray 
Designation  Professor and Head of the Department 
Affiliation  Sri Venkateswara Institute of Medical Sciences 
Address  Dr Aloka Samantaray Professor and Head of the Department Dept of Anaesthesiology SVIMS,Tirupati

Chittoor
ANDHRA PRADESH
517507
India 
Phone  9490713247  
Fax    
Email  aloksvims@gmail.com  
 
Source of Monetary or Material Support  
NIL 
 
Primary Sponsor  
Name  Sri Venkateswara Institute of Medical Sciences 
Address  Sri Venkateswara Institute of Medical Sciences Tirupati,517507 
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 
Dr C Sumadhu  Sri Venkateswara Institute of Medical Sciences,Tirupati  Cardiothoracic Operation theatre,Sri Venkateswara Institute of Medical Sciences,SPMC(W),Tirupati
Chittoor
ANDHRA PRADESH 
9177704349

sumadhu13121991@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Sri Venkateswara Institute of Medical Sciences  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: I050||Rheumatic mitral stenosis, (2) ICD-10 Condition: I060||Rheumatic aortic stenosis, (3) ICD-10 Condition: I061||Rheumatic aortic insufficiency, (4) ICD-10 Condition: I051||Rheumatic mitral insufficiency, (5) ICD-10 Condition: I251||Atherosclerotic heart disease of native coronary artery,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Pecto intercostal fascial block  Pecto intercostal fascial block with bupivacaine and Dexamethasone in attenuating haemodynamic response to sternotomy 
Comparator Agent  Pecto intercostal fascial block  Pecto intercostal fascial block with normal saline as control group 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Patients undergoing elective open heart surgery via median sternotomy 
 
ExclusionCriteria 
Details  Inability to provide informed consent
2. Patients with urgent or emergency procedures
3. Allergy to amide type anaesthetics
4. Patients with preoperative inotropic or vasoactive drug support
5. Redo surgery
6. History of thoracotomy or mastectomy
7. Patients with a history of chronic pain or on chronic opioids or sedatives
8. Renal failure with estimated glomerular filtration rate<30mL/min (Cockcroft-Gault
formula)
9. chronic liver or kidney disease
10. Patients with coagulopathies
11. Pregnanant and lactating women 
 
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 
to compare the percentage change in heart rate,systolic blood
pressure,mean arterial presssure from the base line values at 1, 3, 5 minutes after
sternotomy. 
to compare the percentage change in heart rate,systolic blood
pressure,mean arterial presssure from the base line values at 1, 3, 5 minutes after
sternotomy. 
 
Secondary Outcome  
Outcome  TimePoints 
1.Total intraoperative fentanyl requirement  From induction of Anaesthesia to shifting out to recovery room 
2.Total postoperative fentanyl requirement in first 48 hours after surgery  48 hours after shifting to recovery room 
3.Post operative pain magnitude measured by Numerical rating scale(NRS)(Annexure-1) at
30 minutes post extubation, then every 6 th hourly upto 24 hours post extubation 
30 min,6 hours,12 hours,18 hours,24 hours post extubation 
 
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   N/A 
Date of First Enrollment (India)   15/01/2026 
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 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   Median sternotomy involves a surgical incision made onto the chest wall causing major haemodynamic changes mostly noted within 10 minutes after surgical incision.Traditionally intravenous opioids alone or in combination with other sedatives are used preemptively to attenuate this haemodynamic response and for postoperative pain management,but these are associated with potential side effects.In recent times,Parasternal blocks(Pectointercostal fascial block,transverse thoracic plane block)are commonly used for postoperative pain management following median sternotomy.There is limited data available on attenuation of haemodynamic response to median sternotomy by parasternal block in open heart surgery.Hence,the present study is designed to investigate the effect of Pecto intercostal fascial block on the attenuation of haemodynamic response to sternotomy in cardiac surgery involving median sternotomy 
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