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CTRI Number  CTRI/2024/04/065409 [Registered on: 08/04/2024] Trial Registered Prospectively
Last Modified On: 01/01/2026
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Single Arm Study 
Public Title of Study   The Interplay of Indoor Biomass Combustion, Health Impacts, and Energy Dynamics in Rural Indian Homes 
Scientific Title of Study   A cross-sectional study looking at the effect of indoor biomass fuel on lung health and socio-economic parameters 
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 Raja Dhar 
Designation  Director and Head 
Affiliation  The Calcutta Medical Research Institute 
Address  Department of Pulmonology 1st Floor The Calcutta Medical research Institute 7/2 Diamond Harbour Road
7/2 Diamond Harbour Road
Kolkata
WEST BENGAL
700027
India 
Phone  03340904090  
Fax    
Email  pulmoresearch@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Raja Dhar 
Designation  Director and Head 
Affiliation  The Calcutta Medical Research Institute 
Address  Department of Pulmonology 1st Floor The Calcutta Medical Research Institute Kolkata
7/2 Diamond Harbour Road Kolkata
Kolkata
WEST BENGAL
Kolkata-700027
India 
Phone  03340904090  
Fax    
Email  pulmoresearch@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Raja Dhar 
Designation  Director and Head 
Affiliation  The Calcutta Medical Research Institute 
Address  The Calcutta Medical Research Institute 7/2 Diamond Harbour Road Kolkata
7/2 Diamond Harbour Road Kolkata
Kolkata
WEST BENGAL
700027
India 
Phone  03340904090  
Fax    
Email  pulmoresearch@gmail.com  
 
Source of Monetary or Material Support  
Swedish Research Council 
 
Primary Sponsor  
Name  Prof Joyanto Routh 
Address  Department of Thematic Studies, Linköping University, Linköping SE58183, Sweden 
Type of Sponsor  Other [Self] 
 
Details of Secondary Sponsor  
Name  Address 
Dr Raja Dhar Trustee You Breathe We Care  P-171/1 CIT Scheme VII-M,Kolkata-700054 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Raja Dhar  The Calcutta Medical Research Institute  Department of Pulmonology 1st floor 7/2 Diamond Harbour Road, Kolkata Kolkata-700027
Kolkata
WEST BENGAL 
03340904090

pulmoresearch@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee, The Calcutta Medical Research Institute  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: J684||Chronic respiratory conditions dueto chemicals, gases, fumes and vapors,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  NIL  NA 
Comparator Agent  NIL  NA 
 
Inclusion Criteria  
Age From  7.00 Year(s)
Age To  70.00 Year(s)
Gender  Both 
Details  Men, women and children in the age range of 7 to 70 
 
ExclusionCriteria 
Details  Men, women and children age less than 7 and more than 70 yrs. 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
1. Household surveys will establish the correlation between fuel usage, health, cooking practices and economic conditions based on the primary data collected
2. Establish the early diagnostic health effects associated with biomass burning. 
2-3 yrs 
 
Secondary Outcome  
Outcome  TimePoints 
i.Development of low cost sensor loggers for real time measurement of household pollutants(PM,CO,CO2,VOCs,NO2 and NO)
ii. Quality of Life initiatives, focusing on early diagnosis and treatment for vulnerable pollutions exposed to biomass burning
iii.Contribute to Sustainable Development goal 3 (good health and well-being) and 7 (Affordable and clean energy) by advancing the agenda for clean energy,health and development
iv.Publications,workshops, communications, sharing and data management applies to all phases of the project 
i. 1-2 yr
ii. 2-3 yr
iii. 4 yr
iv. 1-4 yr 
 
Target Sample Size   Total Sample Size="1000"
Sample Size from India="1000" 
Final Enrollment numbers achieved (Total)= "0"
Final Enrollment numbers achieved (India)="0" 
Phase of Trial   N/A 
Date of First Enrollment (India)   15/04/2024 
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="2"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
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   Biofuels used in cooking and heating produce a toxic cocktail of particulate matter (PM), resulting in chronic lung complications. Only a few regions worldwide experience ambient PM levels as high as the Indo-Gangetic plains. On average, women and children breathe 75-100 µg/m3 of PM (WHO recommends <10 µg/m3), indicating the multifaceted healthcare, economic and environmental burden in rural households, where biofuel use prevails. And yet, regional ground-based PM data are sparse, there is poor awareness about air pollution, and clean energy initiatives are lagging. We hypothesize that biofuel combustion and PM exposure can be related to specific pollutant classes (triggers) and their synergistic interactions paving way for tracing early metabolomic signatures in plasma to diagnose the aging of lungs, asthma and COPD. Hence, we aim to 1) conduct socioeconomic and health surveys, and develop real-time indoor monitoring of PM using automated sensor networks, 2) analyze organic compounds and oxidative metals that trigger pulmonary stress, 3) identify novel biomarkers in plasma and combine the integrative transcriptomics, epidemiological and environmental chemical data. This interdisciplinary novel approach on PM characteristics and metabolomics will establish causality with PM to provide a holistic perception and tackle PM exposure to advance early diagnosis. These initiatives will further strategies to improve air quality and health (UN Sustainable Development Goals 3 and 7). 
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