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CTRI Number  CTRI/2020/05/025462 [Registered on: 29/05/2020] Trial Registered Prospectively
Last Modified On: 20/05/2020
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Outcome assesor blinded 
Study Design  Single Arm Study 
Public Title of Study   Using Ultrasound to detect diaphragm dysfunction in patients with acute deterioration of chronic obstructive lung disease and assessing its utility in estimating failure of Non invasive ventilation in such patients 
Scientific Title of Study   Utility of Ultrasound-assessed diaphragmatic dysfunction in estimating non-invasive ventilation failure of patients with Acute exacerbation of chronic obstructive pulmonary disease 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Nupur B Patel 
Designation  SR Acedemic 
Affiliation  AIIMS RISHIKESH 
Address  Department of Anaesthesiology AIIMS RISHIKESH Virbhadra Marg Rishikesh

Dehradun
UTTARANCHAL
249203
India 
Phone  8489926988  
Fax    
Email  nupurbpatel@yahoo.co.in  
 
Details of Contact Person
Scientific Query
 
Name  Dr Gaurav Jain 
Designation  Associate Professor 
Affiliation  AIIMS RISHIKESH 
Address  Department of Anaesthesiology AIIMS RISHIKESH Virbhadra Marg Rishikesh

Dehradun
UTTARANCHAL
249203
India 
Phone  8808631209  
Fax    
Email  gauravhld@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Gaurav Jain 
Designation  Associate Professor 
Affiliation  AIIMS RISHIKESH 
Address  Department of Anaesthesiology AIIMS RISHIKESH Virbhadra Marg Rishikesh

Dehradun
UTTARANCHAL
249203
India 
Phone  8808631209  
Fax    
Email  gauravhld@gmail.com  
 
Source of Monetary or Material Support  
Department of Anesthesiology AIIMS Rishikesh 
 
Primary Sponsor  
Name  None 
Address  NA 
Type of Sponsor  Other [NA] 
 
Details of Secondary Sponsor  
Name  Address 
None  NA 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Nupur B Patel  Critical Care Unit  Level 06, Department of Anesthesiology AIIMS Rishikesh Virbhadra Marg Rishikesh
Dehradun
UTTARANCHAL 
8489926988

nupurbpatel@yahoo.co.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Commitee AIIMS, Rishikesh.  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: J441||Chronic obstructive pulmonary disease with (acute) exacerbation,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  Patients with Acute exacerbation of chronic obstructive lung disease with acidosis (PaCO2 >45mm Hg, pH <7.25) in need of non-invasive ventilation 
 
ExclusionCriteria 
Details  1. Patients with acute pulmonary edema.
2. History of interstitial lung disease.
3. History of neuromuscular disease.
4. Chest wall deformities.
5. Previously diagnosed diaphragmatic palsy.
6. Hemodynamic instability (Systolic blood pressure <90 mm Hg).
7. Intracranial hypertension.
8. Pregnancy.
9. Any contraindication to Non-invasive ventilation,
10. Need for immediate endotracheal intubation or invasive mechanical ventilation at ICU admission
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Non-invasive ventilation (NIV) failure rate with respect to new onset or continuous diaphragmatic dysfunction assessed by ultrasound guided measurement of change in diaphragmatic thickness (ΔTDI).  ΔTDI assessed at 2 hrs on NIV or immediately prior to intubation if patient requires intubation before 2 hrs of NIV.
NIV failure assessed during ICU stay 
 
Secondary Outcome  
Outcome  TimePoints 
Diaphragmatic dysfunction assessed by ultrasound guided measurement of change in diaphragmatic thickness (ΔTDI).  At ICU admission 
Time to NIV failure.  ICU admission (Day 1) to time point of intubation. 
Ventilation days (Non - invasive).  Duration of non-invasive ventilation 
Ventilation days (invasive).  Duration of invasive ventilation 
Length of stay in ICU.   ICU admission ( Day 1) to patients ICU discharge or death or 30 days whichever is earlier 
In hospital length of stay.  ICU admission (Day 1) to patient discharge or death or 30 days whichever is earlier. 
ICU mortality, In hospital mortality and 30 day mortality.  ICU admission (Day 1) to 30 days follow up or death whichever is earlier. 
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
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)   01/06/2020 
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 Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   NA 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Brief Summary   Acute exacerbation of chronic obstructive pulmonary disease (AECOPD) is defined as an acute event characterized by a worsening of the patient’s respiratory symptoms. Noninvasive (NIV) is the first-line management in AECOPD. Diaphragmatic dysfunction (DD) is a common reason for dyspnoea in COPD. Ultrasound is a cheap, safe, non-invasive, less time consuming, bedside tool for detecting DD. Among various USG  parameters, change in the diaphragmatic thickness (ΔTDI) has been found to be the most sensitive parameter of DD. The aim of our study will be to assess the utility of ultrasound assessed DD (continuous and new-onset) in estimating the NIV failure of patients with AECOPD. 
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