The study demonstrated sustained reductions in indoor allergen levels and sustained improvements in reported asthma symptoms. A year-long study with one year follow-up. Please note: all successful mite avoidance studies include anti-mite beds and bedding as 'first-amongst-equals' in mite allergen avoidance.
The clinical study was published as: 'Results of a Home-Based Environmental Intervention among Urban Children with Asthma', Morgan W J et al, 2004: 351: p 1068-80, New England Journal of Medicine