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CTRI Number  CTRI/2025/07/090182 [Registered on: 04/07/2025] Trial Registered Prospectively
Last Modified On: 22/10/2025
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Cohort Study 
Study Design  Single Arm Study 
Public Title of Study   Understanding the Role of Breathing Muscles thickness in removing patient from ventilator.  
Scientific Title of Study   Assessment And Comparison of The Association of Diaphragmatic Thickness Fraction and Parasternal Intercostal Muscle Thickness Fraction With Weaning Failure from Mechanical Ventilation.  
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 Sumit Ray 
Designation  Head & Medical Director 
Affiliation  Holy Family Hospital 
Address  Department Of Critical Care Medicine Holy Family Hospital, Okhla Road New Delhi-110025

South
DELHI
110025
India 
Phone  09810614433  
Fax    
Email  drsray67@yahoo.co.in  
 
Details of Contact Person
Scientific Query
 
Name  Dr Sumit Ray 
Designation  Head & Medical Director 
Affiliation  Holy Family Hospital 
Address  Department Of Critical Care Medicine Holy Family Hospital, Okhla Road New Delhi-110025

South
DELHI
110025
India 
Phone  09810614433  
Fax    
Email  drsray67@yahoo.co.in  
 
Details of Contact Person
Public Query
 
Name  Dr Sumit Ray 
Designation  Head & Medical Director 
Affiliation  Holy Family Hospital 
Address  Department Of Critical Care Medicine Holy Family Hospital, Okhla Road New Delhi-110025

South
DELHI
110025
India 
Phone  09810614433  
Fax    
Email  drsray67@yahoo.co.in  
 
Source of Monetary or Material Support  
Holy Family Hospital Okhla Road New Delhi-110025 India 
 
Primary Sponsor  
Name  Dr Sumit Ray 
Address  Department Of Critical Care Medicine Holy Family Hospital, Okhla Road New Delhi-110025 India 
Type of Sponsor  Other [Self] 
 
Details of Secondary Sponsor  
Name  Address 
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 Sumit Ray  Holy Family Hospital  Department of Critical Care Medicine Holy Family Hospital Okhla Road New Delhi-110025
South
DELHI 
09810614433

drsray67@yahoo.co.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Holy Family Hospital Institute Ethical 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 
Comparator Agent  Nil  Nil 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  99.00 Year(s)
Gender  Both 
Details  1.Age more than 18 years
2.Patients on mechanical ventilation for more than
24 hours.
3.Fulfilling weaning criteria
4.Adequate cough, absence of excessive tracheobronchial secretion, resolution of underlying critical illness for which the patient is intubated
5.The patient is alert and cooperative, without sedation  
 
ExclusionCriteria 
Details  1.History of diaphragm paralysis, spinal cord injury higher than T8
2.Chronically on domiciliary BiPAP support
3.Neuromuscular diseases,
4.Pregnancy
5.Pneumothorax, pneumomediastinum, thoracostomy, chest tube or chest injuries that prevent ultrasound
6.Pleural lesions or pleurodesis
7.Previous history of failed extubation or weaning.
8. Left ventricular ejection fraction less than 40%
9.H/o Chronic lung disease with cor pulmonale (Interstitial Lung disease, Chronic Obstructive Pulmonary Disease)
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Weaning Success:
Successful extubation with no need for ventilatory support within 48 hours post-extubation. 
Within 48 hours post-extubation. 
 
Secondary Outcome  
Outcome  TimePoints 
Nil  NIl 
 
Target Sample Size   Total Sample Size="22"
Sample Size from India="22" 
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)   01/08/2025 
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)
Modification(s)  
Not Applicable 
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   This prospective, observational cohort study at Holy Family Hospital, New Delhi will evaluate weaning readiness in ICU patients on mechanical ventilation for over 24 hours. After ethical approval and informed consent, eligible patients will undergo assessments, including diaphragm thickness and intercoastal muscle measurements, using ultrasound during a spontaneous breathing trial (SBT). Diaphragm thickening fraction (TFdi) and intercostal muscle thickening fraction (TFic) will be calculated. The Rapid Shallow Breathing Index (RSBI) will also be recorded. Treating intensivists, blinded to these findings, will make extubation decisions, with weaning success defined as sustained extubation without support for 48 hours. 
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