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CTRI Number  CTRI/2020/07/026574 [Registered on: 14/07/2020] Trial Registered Prospectively
Last Modified On: 06/07/2023
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   To assess the seriousness in COVID-19 patients with the blood test report.  
Scientific Title of Study   Neutrophil-lymphocyte ratio and Platelet to lymphocyte ratio as markers for predicting the severity in COVID-19 patients: A Prospective Observational study.  
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Yudhyavir Singh 
Designation  Assistant Professor 
Affiliation  AIIMS 
Address  Room No 322A JPNATC AIIMS New Delhi

South
DELHI
110029
India 
Phone  9811140057  
Fax    
Email  yudhyavir@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Yudhyavir Singh 
Designation  Assistant Professor 
Affiliation  AIIMS 
Address  Room No 322A JPNATC AIIMS New Delhi

South
DELHI
110029
India 
Phone  9811140057  
Fax    
Email  yudhyavir@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Yudhyavir Singh 
Designation  Assistant Professor 
Affiliation  AIIMS 
Address  Room No 322A JPNATC AIIMS New Delhi

South
DELHI
110029
India 
Phone  9811140057  
Fax    
Email  yudhyavir@gmail.com  
 
Source of Monetary or Material Support  
Nil 
 
Primary Sponsor  
Name  AIIMS Hospital 
Address  DEPTT of Anaesthesia, New Delhi 
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 
Yudhyavi Singh  COVID Centre,AIIMS, New Delhi  Room No 322A
South
DELHI 
9811140057

yudhyavir@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institute Ethics committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: B972||Coronavirus as the cause of diseases classified elsewhere, (2) ICD-10 Condition: B349||Viral infection, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil 
Comparator Agent  Nil  Nil 
 
Inclusion Criteria  
Age From  6.00 Year(s)
Age To  99.00 Year(s)
Gender  Both 
Details  Only confirmed cases of COVID-19 diagnosed on the basis of ICMR standard 
 
ExclusionCriteria 
Details  1.Age below 6 years.
2.Pregnant patients
3.Dialysis dependent patients
4.All trauma patients
5.Any malignancy
6.Any psychiatric illness
7.Consent not given
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
To evaluate the ability of the NLR and PLR to predict severity in COVID-19 patients.
 
Baseline-on admission
 
 
Secondary Outcome  
Outcome  TimePoints 
1. Mortality
2. Length of hospitalization
3. Mechanical ventilation
 
28 days 
 
Target Sample Size   Total Sample Size="100"
Sample Size from India="100" 
Final Enrollment numbers achieved (Total)= "0"
Final Enrollment numbers achieved (India)="0" 
Phase of Trial   N/A 
Date of First Enrollment (India)   20/07/2020 
Date of Study Completion (India) Date Missing 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="0"
Months="3"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details   Nil 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary   Of note, a high incidence of lymphopenia in COVID-19 patients has been seen. In addition, the baseline neutrophil-to-lymphocyte ratio (NLR) has been confirmed as a potential prognostic indicator for patients in various other studies. So identifying severe patients in the early stage is of great significance for reducing the clinical morbidity and improving the cure rate.

So, we aimed to compare peripheral blood neutrophil to lymphocyte count ratio (NLR) and platelet to lymphocyte ratio to explore the clinical indicator that can predict severity of COVID-19 in the early stage.

Patients clinical symptoms and signs will be obtained from electronic medical records or files when the patient is  admitted and receiving the treatment. All the relevant routine laboratory investigations will be noted from the electronic data records at the time of receiving the treatment. If required  follow-up on telephone consultation will be done on the discharge.
 
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