Prevention of Work-related Asthma: Study Search Results

Study Details
Prevention LevelSecondary
Study Year1998
Molecular Weight of AgentLMW
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