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CTRI Number  CTRI/2025/01/079070 [Registered on: 20/01/2025] Trial Registered Prospectively
Last Modified On: 20/01/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Other (Specify) [Adjuvant therapy]  
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   Role of Neostigmine in patients severe infection with low blood pressure 
Scientific Title of Study   Effect of Neostigmine on outcomes in patients with Septic Shock: A Double-blind 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  Dr Deepak Singla 
Designation  Additional Professor 
Affiliation  AIIMS Rishikesh 
Address  Room No 016133 Department of Anaesthesiology All India Institute of Medical Sciences Rishikesh Virbhadra Road Rishikesh Uttarakhand

Dehradun
UTTARANCHAL
249204
India 
Phone  9068504999  
Fax    
Email  deepak10.4u@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Prof Gaurav Jain 
Designation  Professor 
Affiliation  AIIMS Rishikesh 
Address  Room No 016127 Department of Anaesthesiology All India Institute of Medical Sciences Rishikesh Virbhadra Road Rishikesh Uttarakhand

Dehradun
UTTARANCHAL
249204
India 
Phone  8808631209  
Fax    
Email  icubhu@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Deepak Singla 
Designation  Additional Professor 
Affiliation  AIIMS Rishikesh 
Address  Room No 016133 Department of Anaesthesiology All India Institute of Medical Sciences Rishikesh Virbhadra Road Rishikesh Uttarakhand

Dehradun
UTTARANCHAL
249204
India 
Phone  9068504999  
Fax    
Email  deepak10.4u@gmail.com  
 
Source of Monetary or Material Support  
All India Institute of Medical Sciences Rishikesh 
 
Primary Sponsor  
Name  All India Institute of Medical Sciences Rishikesh 
Address  Veerbhadra Road Near Barrage Sturida Colony Pahsulok Rishikesh Uttarakhand 249203 
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 Deepak Singla  AIIMS Rishikesh  Room No 016133 Department of Anaesthesiology All India Institute of Medical Sciences Rishikesh Virbhadra Road Rishikesh Uttarakhand
Dehradun
UTTARANCHAL 
9068504999

deepak10.4u@gmail.co m 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee AIIMS Rishikesh  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: R652||Severe sepsis,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Neostigmine infusion  2.0 ml/hr for 5 days 
Comparator Agent  Saline infusion  2.0 ml/hr for 5 days 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  Adult patients who are admitted to the ICU with septic shock of less than 24-hour duration 
 
ExclusionCriteria 
Details  Patients who refuse to consent for the study.
Patients with SOFA score of 6 or more.
Patients with asthma, bradycardia or heart block, head injury, muscle dystrophy, urinary or gastrointestinal obstruction.
Pregnant patients or lactating mothers
Patients with known allergy to neostigmine. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
SOFA score  Day five post ICU admission 
 
Secondary Outcome  
Outcome  TimePoints 
Relative change in SOFA score (deltaSOFA) from baseline  Day five post ICU admission 
Ratio of the partial pressure of arterial oxygen (PaO2) to the fraction of inspired oxygen (FiO2)  Day 0(baseline), 3, 5 and 7 post ICU admission 
GCS score  Day 0(baseline), 3, 5 and 7 post ICU admission 
Reversal of shock  Day 3, 5 and 7 post ICU admission 
Need for mechanical ventilation  Day 0(baseline), 3, 5 and 7 post ICU admission 
Successful extubation  Day 3, 5 and 7 post ICU admission 
Mortality  28 days post ICU admission 
Length of ICU stay  28 days post ICU admission 
Length of hospital stay  28 days post ICU admission 
Complications  Day five post ICU admission 
 
Target Sample Size   Total Sample Size="64"
Sample Size from India="64" 
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   Post Marketing Surveillance 
Date of First Enrollment (India)   01/04/2025 
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="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
Recruitment Status of Trial (India)  Open to Recruitment 
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  

Though fluid resuscitation remains the first line therapy for management of hypotension including the one associated with sepsis. Overjealous use of fluids can lead to venous congestion, raised central venous pressure which can impair the microcirculatory blood flow thus reducing tissue perfusion. The surviving sepsis 2021 guidelines have also downgraded the recommendation of giving 30 ml/kg of crystalloids, from ‘Strong’ to ‘Weak’ with low quality of evidence. Recent data has shown that early initiation of vasopressors in patients with sepsis is associated with decreased mortality. Noradrenaline is the vasopressor of choice in patients with septic shock. It is more potent than dopamine and has a lower incidence of arrythmias. However, a high dose of noradrenaline is associated with decreased lactate clearance and makes lactate an unreliable marker for tissue perfusion. 

Vagus nerve was identified to play an anti-inflammatory role in patients with gram negative endotoxemia. The cholinergic anti-inflammatory pathway (CAP) attenuates systemic inflammatory response with nicotinic acetylcholine receptor as a main target. This inflammatory modulation might have therapeutic applications in patients with infection or inflammatory conditions of lungs. In humans, pyridostigmine has been used for treatment of septic shock caused by intra-abdominal infection. The study found that the use of physostigmine will cause a reduction in the noradrenaline requirement however the SOFA score were not significantly different between the two groups (physostigmine vs placebo). A recent study using neostigmine found it to significantly improve SOFA scores in patients with sepsis. However it also involved only 45 postsurgical patients and could not find a statistically significant difference in SOFA scores among patients with septic shock. 

So, currently the role of neostigmine in improving outcomes in patients with septic shock is still debatable. Therefore we plan this randomised controlled trial to study the effect of neostigmine infusion on outcomes in adult patients with septic shock. 

 
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