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CTRI Number  CTRI/2025/10/096024 [Registered on: 14/10/2025] Trial Registered Prospectively
Last Modified On: 14/10/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia
Preventive 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   To have effective weaning by incorporating diaphragm ultrasound parameters with clinical parameters of weaning from ventilator and prevent mortality and morbidity associated with re intubation 
Scientific Title of Study   A randomized controlled trial comparing the weaning success in mechanically ventilated patients meeting RSBI and clinical criteria with and without diaphragm ultrasonography (DUS) 
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 Ajay Sood 
Designation  Professor and head department of anaesthesia IGMC Shimla 
Affiliation  IGMC Shimla 
Address  Department of Anaesthesia, block D floor 2 IGMC Shimla

Shimla
HIMACHAL PRADESH
171001
India 
Phone  9418028130  
Fax    
Email  ajay_5644@yahoo.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Ajay Sood 
Designation  Professor and head department of anaesthesia IGMC Shimla 
Affiliation  IGMC Shimla 
Address  Department of anaesthesia block D floor 2IGMC Shimla


HIMACHAL PRADESH
171001
India 
Phone  9418028130  
Fax    
Email  ajay_5644@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Dr Ajay Sood 
Designation  Professor and head department of anaesthesia IGMC Shimla 
Affiliation  IGMC Shimla 
Address  Department of anaesthesia block d floor 2IGMC Shimla


HIMACHAL PRADESH
171001
India 
Phone  9418028130  
Fax    
Email  ajay_5644@yahoo.com  
 
Source of Monetary or Material Support  
NIL 
 
Primary Sponsor  
Name  Igmc shimla 
Address  Department of anaesthesia Igmc Shimla Himachal Pradesh PIN code 171001 
Type of Sponsor  Government medical college 
 
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 
Shreya jain  IGMC Shimla Himachal pradesh  GICU Department of anaesthesia BLOCK D FLOOR 2
Shimla
HIMACHAL PRADESH 
8729031031

Shreyaalkajain@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
IEC IGMC Shimla  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: B||Imaging,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Diaphragm ultrasonography (DUS)  Diaphragm excursion (DE) and diaphragm thickness fraction (DTF) duration of study 9 months 
Intervention  Dr Ajay Sood   Professor and head department of anaesthesia IGMC shimla Himachal Pradesh phone no 9418028130 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  Patients admitted in GICU of dept. of Anaesthesia IGMC Shimla and are on mechanical ventilator with following parameters
1. Normal performance status before disease onset ( per- illness frailty score less than 3)
2. Who are mechanically ventilated for at lest 24 h
3. With satisfactory clinical weaning parameters such as the ability to tolerate a spontaneous breathing trial (SBT) for 1 h
4. Stable haemolytic or on minimal and single vasopressin ,afebrile in the last 24 hours, with minimal tracheo bronchial secretions and effective cough response will be invluded 
 
ExclusionCriteria 
Details  1. Patient with neuromuscular disorder
2. Patient with pneumothorax
3. Preexisting diaphragmatic palsy
4. Who underwent thoracic and abdominal surgeries
5. Where ultrasound is not possible due to wound dressings 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Alternation 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Weaning success is better in patients meeting Rapid shallow breathing index(RSBI) and clinical criteria with diaphragm ultrasonography (DUS)  To check for reintegration rate within 24 hours  
 
Secondary Outcome  
Outcome  TimePoints 
NIL   
 
Target Sample Size   Total Sample Size="80"
Sample Size from India="80" 
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 3/ Phase 4 
Date of First Enrollment (India)   30/10/2025 
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="9"
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 patients from ventilation has always been a challenging task and wearing failure , re intubation are associated with increased risk of morbidity and mortality.
Diaphragm is the major respiratory muscle and its proper functioning is necessary for spontaneous breathing
Considering diaphragm excursion and diaphragm thickness fraction along with clinical criteria and RSBI before weaning patients from ventilator has proven to decrease re intubation rates in some studies
 
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