Roflumilast is a highly selective phosphodiesterase-4 (PDE4) inhibitor. PDE4 is a major cyclic-3',5′-adenosinemonophosphate (cyclic AMP, cAMP)-metabolizing enzyme expressed on nearly all immune and pro-inflammatory cells, in addition to structural cells like those of the smooth muscle or epithelium. The resultant increase in intracellular cAMP induced by ro...
Oral roflumilast is indicated to reduce the risk of COPD exacerbations in patients with severe COPD associated with chronic bronchitis and a history of exacerbations.
Topical roflumilast is indicated to treat plaque psoriasis, including intertriginous areas, in patients 12 years of age and older.
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