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CTRI Number  CTRI/2025/01/079153 [Registered on: 21/01/2025] Trial Registered Prospectively
Last Modified On: 20/01/2025
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   Assessment of modified scoring method (IWI) to predict weaning outcomes in mechanically ventilated patients.  
Scientific Title of Study   Evaluation of modified Integrative Weaning Index to predict the weaning outcome in mechanically ventilated patients.  
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Apoorva M 
Designation  Respiratory Therapist 
Affiliation  Bharati Hospital and Research center,Pune 
Address  Room No-225, Department of Critical Care Medicine, Bharati Hospital and Research Center,Pune-411043,Maharashra,India.

Pune
MAHARASHTRA
411043
India 
Phone  7483427927  
Fax    
Email  apoorvam912001@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Apoorva M 
Designation  Respiratory Therapist 
Affiliation  Bharati Hospital and Research center,Pune 
Address  Room No-225, Department of Critical Care Medicine, Bharati Hospital and Research Center,Pune-411043,Maharashra,India.


MAHARASHTRA
411043
India 
Phone  7483427927  
Fax    
Email  apoorvam912001@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Apoorva M 
Designation  Respiratory Therapist 
Affiliation  Bharati Hospital and Research center,Pune 
Address  Room No-225, Department of Critical Care Medicine, Bharati Hospital and Research Center,Pune-411043,Maharashra,India.


MAHARASHTRA
411043
India 
Phone  7483427927  
Fax    
Email  apoorvam912001@gmail.com  
 
Source of Monetary or Material Support  
Bharati Hospital and Research Center,Pune 
 
Primary Sponsor  
Name  Bharati Hospital and Research Center,Pune 
Address  Room No-225, Department of Critical Care Medicine, Bharati Hospital and Research Center,Pune-411043,Maharashra,India. 
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 Kumari Sulochna  Bharati Hospital and Research Centre  Room No 225,Division of Respiratory Therapy, Bharati Hospital and Research Center,Pune- Satara-Road Pune-411043,Maharashra,India.
Pune
MAHARASHTRA 
9881519089

sulochana.rt@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Bharati Vidyapeeth (Deemed to be University) Medical College,Institutional Ethics Committee   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: J969||Respiratory failure, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  NIL  NIL 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  99.00 Year(s)
Gender  Both 
Details  Adult patients who are on mechanical ventilation for more than 24 hours. 
 
ExclusionCriteria 
Details  1-Patient declining consent.
2-Patient with Neuromuscular disorder.
3-Patient who underwent Tracheostomy before weaning.
4-Patients with post-surgical/operative cases who have shifted to the ICU for extubation/monitoring.
5-Death without ventilator weaning.
6-Permanent ventilator dependency.
7-Cardio-pulmonary arrest on ventilator.
8-Self-extubation / Aspiration during weaning.
9-Copious secretions and mucus plugging precluding wean. 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Modified IWI as a routine predictor of weaning failure over RSBI  120 min 
 
Secondary Outcome  
Outcome  TimePoints 
NIL  NIL 
 
Target Sample Size   Total Sample Size="103"
Sample Size from India="103" 
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)   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="0"
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   Weaning is the process of gradually withdrawing mechanical ventilatory support and transferring the work of breathing from the ventilator to the patient.
A weaning index or predictive parameter for weaning is a criterion that evaluates a given physiological aspect of respiratory function, with the objective of distinguishing between patients who might tolerate the SBT and those who might not.Spontaneous Breathing Trial (SBT) is a part of weaning process which evaluates the patient spontaneous efforts without any ventilatory support.Weaning Indexes are the parameters which are use to evaluate the patient’s rediness for extubation or liberation of ventilatory support.Weaning Indexes that evaluate one single function have generally presented poor accuracy in comparison with the integrative parameters.
Hence  having the Integrated weaning Index or Integrative parameters that evaluate more than one physiological aspect of respiratory function may predict the SBT tolerance  (weaning success) or SBT intoerance (weaning failure).One such integrative weaning index has introduced and stated as IWI = (Cst,rs × SaO2) ÷ RR/V T  and concluded that IWI is the best predictive performance index of weaning outcome.However the study has limitation that calculating Static compliance during the weaning phase by taking the patient back on Volume control mode. Hence we presented the Modified Integrative Weaning Index by substitute Static compliance with Dynamic compliance and stated as Modified IWI=(Cdyn,rs × SaO2) ÷ RR/V T.   
 
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