Prevention of Work-related Asthma: Study Search Results

Study Details
Prevention LevelSecondary
AuthorBarker
Study Year1998
CountryUK
Molecular Weight of AgentLMW
CategoryAnhydrides
AgentTetrachlorophthalic anhydride (TCPA)
OccupationProcess workers using TCPA (Includes cohort reported by Venables, 1987 and Howe, 1983)
Outcome/DiagnosisOccupational asthma
Activity InterventionRemoval from exposure (1980, 12 years)
Participation Rate6 of 6 eligible subjects (Participation rate: 100%)
Intervention EffectivenessFrom 1984-1992, there were no trends observed in improvement of symptoms, bronchial responsiveness, PEF variability, and in decreased use of inhaled corticosteroids, despite progressive fall of specific IgE (n=6). Limitation: no comparison group.
Page last reviewed: May 25, 2022