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CTRI Number  CTRI/2025/06/088044 [Registered on: 02/06/2025] Trial Registered Prospectively
Last Modified On: 30/05/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Follow Up Study 
Study Design  Single Arm Study 
Public Title of Study   Outcomes Of High Flow Nasal Cannula In Covid Pneumonia 
Scientific Title of Study   Rox Index For Predicting Outcomes Of High Flow Nasal Cannula In Covid Pneumonia 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Rajesh Chandra 
Designation  Assistant Professor 
Affiliation  Rajendra Institute of Medical Sciences 
Address  Department of Anesthesiology 2nd Floor, Hospital Building RIMS, Ranchi

Ranchi
JHARKHAND
834009
India 
Phone  9471300943  
Fax    
Email  chandrararjeshriims@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr. Harish Kumar 
Designation  Critical Care Consultant 
Affiliation  Medanta Hospital 
Address  Department of Critical Care Medanta Hopsital National Highway 33, Irba, Ranchi - 835219 (Near United Bank Of India)

Ranchi
JHARKHAND
834009
India 
Phone  9471300943  
Fax    
Email  doctor.harish@outlook.com  
 
Details of Contact Person
Public Query
 
Name  Rajesh Chandra 
Designation  Assistant Professor 
Affiliation  Rajendra Institute of Medical Sciences 
Address  Department of Anesthesiology 2nd Floor, Hospital Building RIMS, Ranchi

Ranchi
JHARKHAND
834009
India 
Phone  9471300943  
Fax    
Email  chandrarajeshriims@gmail.com  
 
Source of Monetary or Material Support  
Medanta Hospital Ranchi, P.O: Irba, P.S: Ormanjhi, NH33, Ranchi, Jharkhand 835217 
 
Primary Sponsor  
Name  Medanta Hospital 
Address  Medanta Hospital Irba, Ranchi Jharkhand-834009 
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 Rajesh Chandra  Medanta Hospital  Department of critical care Medanta Hospital Ranchi, P.O: Irba, P.S: Ormanjhi, NH33, Ranchi, Jharkhand 835217
Ranchi
JHARKHAND 
9471300943

Chandrarajeshriims@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Medanta Hospital  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: J22||Unspecified acute lower respiratory infection,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  NIL  NIL 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  All patients who are more than 18 yrs. old with hypoxemic respiratory
failure due to COVID-19 pneumonia 
 
ExclusionCriteria 
Details  1. Patients younger than 18 years old, patients with indication for immediate
intubation.
2. Patients for whom HFNC will be used for extubation failures and those
with do-not-intubate order will be excluded.
3. Patients who will be electively intubated for diagnostic or therapeutic
procedures (bronchoscopy, surgery) will not be included. 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To assess the ROX index as a predictor of success of HFNC therapy for hypoxemic respiratory failure in COVID19 pneumonia  SOFA (10) score will be recorded once a day during the first five days of HFNC therapy. We will also record the 4C COVID mortality score. (11) Clinical respiratory variables in patients 2h, 6h, 12h, 18h, and 24h after initiation of HFNC therapy will be recorded. After the first 24 hours, the same variables will be recorded once daily until HFNC withdrawal 
 
Secondary Outcome  
Outcome  TimePoints 
To assess the relation between ROX index & ICU stay, hospital stay, & outcomes of patients  SOFA (10) score will be recorded once a day during the first five days of HFNC therapy. We will also record the 4C COVID mortality score. (11) Clinical respiratory variables in patients 2h, 6h, 12h, 18h, & 24h after initiation of HFNC therapy will be recorded. After the first 24 hours, the same variables will be recorded once daily until HFNC withdrawal 
 
Target Sample Size   Total Sample Size="50"
Sample Size from India="50" 
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)   30/06/2025 
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="1"
Days="1" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
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  

In patients with COVID-19 pneumonia treated for acute hypoxemic respiratory failure, there has been an increase in the utilization of non-invasive ventilation and high-flow nasal cannula (HFNC). Its increased use can be attributed to ease of use, ability to achieve higher FiO2, need for lesser expertise, use in extubation failure, and feasibility to use even in tracheostomized patients. This is especially true in countries that require more resources.1 It was also established that the risk of aerosol formation was decreased with a high-flow nasal cannula, which supports its use in COVID-19 pneumonia.2 We would like to conduct a prospective observational study to validate the ROX index as a method for predicting the failure of HFNC therapy in COVID-19 pneumonia.

 
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