Prevention of Work-related Asthma: Study Search Results

Study Details

Prevention Level	Secondary
Author	Barker
Study Year	1998
Country	UK
Molecular Weight of Agent	LMW
Category	Anhydrides
Agent	Tetrachlorophthalic anhydride (TCPA)
Occupation	Process workers using TCPA (Includes cohort reported by Venables, 1987 and Howe, 1983)
Outcome/Diagnosis	Occupational asthma
Activity Intervention	Removal from exposure (1980, 12 years)
Participation Rate	6 of 6 eligible subjects (Participation rate: 100%)
Intervention Effectiveness	From 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.