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CTRI Number  CTRI/2025/08/093819 [Registered on: 28/08/2025] Trial Registered Prospectively
Last Modified On: 27/08/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Case cross over study 
Study Design  Other 
Public Title of Study   To find out association between air quality and asthma exacerbations in children 5-15 years of age 
Scientific Title of Study   Association between air quality index parameters and asthma exacerbations in children between 5-15 years of age 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Sakshi 
Designation  Post graduate resident 
Affiliation  Maulana Azad medical college  
Address  Department of Paediatrics Maulana azad medical college and associated Lok nayak hospital New delhi

Central
DELHI
110002
India 
Phone  8851769196  
Fax    
Email  sakshilathar786@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Deepak Kumar 
Designation  Professor  
Affiliation  Maulana azad medical college 
Address  Department of Paediatrics Maulana azad medical college and associated Lok nayak hospital New delhi

Central
DELHI
110002
India 
Phone  9211377848  
Fax    
Email  deepakk70@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Deepak Kumar 
Designation  Professor  
Affiliation  Maulana azad medical college 
Address  Department of Paediatrics Maulana azad medical college and associated Lok nayak hospital New delhi

Central
DELHI
110002
India 
Phone  9211377848  
Fax    
Email  deepakk70@gmail.com  
 
Source of Monetary or Material Support  
Department of Paediatrics Maulana azad medical college and associated Lok nayak hospital New delhi 110002 
 
Primary Sponsor  
Name  Department of pediatrics  
Address  Maulana Azad medical College and associated lok nayak hospital new delhi 110002 
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 
Dr Sakshi  Lok nayak hospital  Department of Paediatrics Mauna Azad Medical College and associated Lok Nayak Hospital New Delhi
Central
DELHI 
8851769196

sakshilathar786@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional ethics committee Maulana azad medical college   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: J459||Other and unspecified asthma,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
 
Inclusion Criteria  
Age From  5.00 Year(s)
Age To  15.00 Year(s)
Gender  Both 
Details  Children aged 5 years–15 years with a physician-diagnosed asthma
Adherent to Medications and using MDI correctly
Residing in Delhi-NCR for at least 6 months
School located within 5 km radius away from the home
 
 
ExclusionCriteria 
Details  Children with other chronic respiratory diseases (bronchiectasis cystic fibrosis
Hospital visits for conditions unrelated to asthma exacerbations  
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Correlation of Air Quality Index with Frequency of hospital visits for asthma exacerbations  7 days 
 
Secondary Outcome  
Outcome  TimePoints 
Correlation of individual pollutants with frequency of hospital visits for asthma exacerbations
Correlation of cumulative air quality index of past three days & past seven days with frequency of hospital visits for asthma exacerbations
Correlation of temperature, humidity with frequency of hospital visits for asthma exacerbations 
7 days 
 
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)   08/09/2025 
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="0"
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  

This is an observational case crossover study aimed at finding the association between air quality index parameters and asthma exacerbations in children between five to fifteen years of age  Study will be conducted at Maulana Azad medical College and associated lok nayak hospital delhi


Primary outcome will be Correlation of Air Quality Index with Frequency of hospital visits for asthma exacerbations


Secondary outcome of study will be 

Correlation of individual pollutants with frequency of hospital visits for asthma exacerbations  

Correlation of cumulative air quality index of past three days and past seven  days with frequency of hospital visits for asthma exacerbations 

 Correlation of temperature humidity with frequency of hospital visits for asthma exacerbations

 
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