[New drug delivery systems for the therapy of bronchial asthma]

Inhalation therapy gives us ideal topical therapy for the airway diseases without significant major side-effects. As new century approaches, a major goal for asthma therapy will be to provide more effective therapeutic drugs to prevent airway inflammation and its spasmus. It is also important to produce excellent inhalant devices that are easy to use and do not contain substances that are harmful to the environment. Future inhalers should target the drug to the correct sites in the airways and thus enable optimal therapeutic effects to be achieved. There are many exciting new developments available in this field. And we should finally obtain special therapeutic drugs to prevent the process to the sudden-onset of asthmatic death.