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Air pollution and health effects in public transport systems

Exposure to size-segregated aerosols in traffic microenvironments of megacity Kolkata and its respiratory implications - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2023/10/059240
Enrollment
150
Registered
2023-10-27
Start date
Unknown
Completion date
Unknown
Last updated
2026-01-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Intervention1: Inhalers, medicines depends on subjects lung condition: Inhalers, medicines depends on subjects lung condition after reviewing lung function test report Intervention2: NIL: NIL Control

Sponsors

Dr Raja Dhar
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Size-segregated aerosol sampling will be carried out using 5-stage personal impactors inside buses, cabs/taxis, auto rickshaw, metro rail, and traffic police booths.

Exclusion criteria

Exclusion criteria: i.The driver should not be in the profession for less than 5 years. ii.The driver should not be a smoker.

Design outcomes

Primary

MeasureTime frame
1) Estimates of aerosol exposure to drivers in various traffic microenvironments 2) Estimates of chemically-speciated respiratory deposition profiles using dosimetry models 3) Estimates of oxidative stress using acellular assays 4) Estimates of lung health of the drivers based on spirometry, FeNO and impulse oscillometryTimepoint: 1) 6 months after the campaign 2) 2 years after the campaign 3) 1 year after the campaign 4) 1 year after the campaign

Secondary

MeasureTime frame
1) Disease burdens based on potential years of life lost calculationsTimepoint: 1) Two years after the campaign

Countries

India

Contacts

Public ContactDr Sayantan Sarkar

Indian Institute of Technology, Mandi

sayantan@iitmandi.ac.in8017810340

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026