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CTRI Number  CTRI/2025/01/079107 [Registered on: 21/01/2025] Trial Registered Prospectively
Last Modified On: 23/01/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Comparision of precautionary dose of intravenous bolus versus infusion dose of phnylephrine for prevention of spinal anaesthesia induced hypotension in elective cesarean section 
Scientific Title of Study   Comparison of prophylactic intravenous bolus versus infusion of phenylephrine for preventing spinal anesthesia-induced hypotension in elective cesarean sections 
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 Anita Kumari 
Designation  Professor 
Affiliation  Sri Gur Ram Das Institute of Medical Sciences and Research, Mehta Road, Vallah, Amritsar 
Address  Department of Anaesthesia, Sri Guru Ram Das Institute of Medical Sciences and Research

Amritsar
PUNJAB
143001
India 
Phone  9815632909  
Fax    
Email  sgrdanaesthesia@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Anita Kumari 
Designation  Professor 
Affiliation  Sri Gur Ram Das Institute of Medical Sciences and Research, Mehta Road, Vallah, Amritsar 
Address  Department of Anaesthesia, Sri Guru Ram Das Institute of Medical Sciences and Research

Amritsar
PUNJAB
143001
India 
Phone  9815632909  
Fax    
Email  sgrdanaesthesia@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Sakshi 
Designation  Junior Resident 
Affiliation  Sri Guru Ram Das Institute of Medical Sciences and Research 
Address  Department of Anaesthesia, Sri Guru Ram Das Institute of Medical Sciences and Research

Amritsar
PUNJAB
143001
India 
Phone  9464231286  
Fax    
Email  sakshikoundal54@gmail.com  
 
Source of Monetary or Material Support  
Sri Gur Ram Das Institute of Medical Sciences and Research, Mehta Road, Vallah, Amritsar 
 
Primary Sponsor  
Name  SGRD 
Address  Department of Anaesthesia, Sri Guru Ram Das institute of medical Sciences and Research, Amritsar, 143001 
Type of Sponsor  Research institution and hospital 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study
Modification(s)  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
DR RUCHI GUPTA  SGRD  Gynea OT, Sri Guru Ram Das Institute of Medical Sciences and Research, Amritsar
Amritsar
PUNJAB 
09814320805

drruchisgrd@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
SGRD Ethical Committee  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 
Comparator Agent  phenylephrine  Group A: Continuous iv infusion of phenylephrine at 0.15mcg/kg/min started immediately after spinal block Group B: Single dose of phenylephrine ,50mcg iv administered immediately after spinal block 
Intervention  Spinal Anaesthesia  The Spinal Anaesthesia will be given after confirming free flow of CSF 0.5% heavy bupivacaine 2.4ml will be given . 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  40.00 Year(s)
Gender  Female 
Details  All the patients who are undergoing cesarean section or the patients falling under
American Society of Anesthesiology (ASA) Grade II 
 
ExclusionCriteria 
Details  1. Contraindications to regional anesthesia such as anatomic disorders of spine, shock,
local site infections, peripheral neuropathy.
2. Patients with the history of hypertension or pregnancy induced hypertension.
3.Patients with hypersensitivity to study drugs .
4.Patients with coagulation disorders and bleeding disorders.
5.Patients with cardiovascular or cerebrovascular disorders
6. Patients with fetal abnormality 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   An Open list of random numbers 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
to assess the effect of
prophylactic doses of intravenous bolus versus infusion of phenylephrine for prevention
of spinal induced hypotension in elective cesarean section.
 
Continuous intraoperative, vitals will be recorded every 2min interval for first 10min and then at 5 min interval till the end of surgery. outcome will also be assessed in post anaesthetic care unit (PACU) at
15min interval.
 
 
Secondary Outcome  
Outcome  TimePoints 
To assess intaoperative complications related to study drug.
To calculate apgar scoreat 1 and 5 minute respectively. 
Throughout during the surgery and APGAR score will be assessed immidiatly and after 5 minutes of birth 
 
Target Sample Size   Total Sample Size="70"
Sample Size from India="70" 
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)   31/01/2025 
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="1"
Months="6"
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   INTRODUCTION: Spinal block is the preferred choice of anesthesia for cesarean sections due to its efficacy and safety profile. However, it can lead to sympathetic nerve block, reducing peripheral vascular resistance and causing hypotension. Various interventions can be employed to correct this hypotension, such as adjusting the dose of the anesthetic agent, and administering vasoactive medications. Phenylephrine is the first-line drug used to manage hypotension resulting from spinal anesthesia.

 AIM: To evaluate the effect of prophylactic doses of intravenous bolus versus infusion of phenylephrine for the prevention of spinal-induced hypotension in elective cesarean sections. Objective of the study is to compare the effectiveness of prophylactic intravenous bolus versus infusion of phenylephrine in preventing spinal-induced hypotension in elective cesarean sections. 

METHODOLOGY: An interventional, open label study will be conducted on all patients who are undergoing lower segment cesarean section from July 2024 to December 2025 will be devided in to two groups i.e. Group A will receive continuous IV infusion of phenylephrine at 0.15 mcg/kg/min and Group B will recieve Single IV bolus dose of phenylephrine 50 mcg. 

SIGNIFICANCE: This study aims to determine the most effective prophylactic administration method of phenylephrine for preventing spinal-induced hypotension in elective cesarean sections, thus improving maternal and fetal outcomes.
 
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