Trends in pharmacological sciences
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Current therapy for asthma with inhaled corticosteroids and long-acting inhaled beta(2)-agonists is highly effective, safe and relatively inexpensive, but for many patients, their disease remains poorly controlled. Most advances in asthma therapy have occurred through improving these drug classes, and a major developmental hurdle is to improve existing drug classes. The major unmet needs include better treatment of severe asthma, and curative therapies for mild to moderate asthma. ⋯ New treatments targeting the underlying allergic/immune process would treat concomitant allergic diseases. Improved immunotherapy approaches have the prospect of disease modification, although prospects for a cure are currently remote. The most promising therapeutic developments for asthma are discussed in this review.