Newer drugs for asthma.

Several new drugs have resulted from innovative pharmacological and immunomodulatory approaches towards treatment of asthma. Diverse therapeutic targets have provided new agents. The new classes of drugs available are newer "on site activated inhaled corticisteroids" and soft steroids, anti IgE compounds, leukotriene inhibitors and single isomer agents which are available for clinical use. Anti interleukin agents and phosphodiesterase inhibitors are in the stage of clinical trials. Antisense therapy and pharmacogenetics are the on horizon for treatment of asthma.