Abstract
There has been a real interest recently in developing once-daily
beta(2)-adrenoceptor agonists (ultra-long-acting beta(2)-adrenoceptor
agonists ultra-LABAs) for treating asthma and chronic obstructive
pulmonary disease (COPD) in an attempt to simplify their management,
although an increasing amount of convincing data show an association of
LABAs with a rise in asthma-related deaths and life-threatening
experiences. This paper reviews the effects of different ultra-LABAs
that are at varying stages of development. Arformoterol, carmoterol,
indacaterol and GSK-159797 are ultra-LABAs that are likely to be
introduced into the market before 2010. It is plausible that once-daily
dose administration of an LABA will lead to increased convenience for
patients, which may also lead to enhancement of adherence, and may have
advantages leading to improved overall clinical outcomes in patients
with asthma and COPD.
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