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 roflumilast's inhibition of PDE4 is thought to mediate its disease-modifying effects, although its precise mechanism of action has yet to be elucidated.
The oral formulation of roflumilast is indicated to manage the chronic obstructive pulmonary disease. It was first approved by the EMA in July 2010, and by the FDA in January 2018. Roflumilast topical cream is indicated to treat plaque psoriasis. It was first approved by FDA in July 2022 and by Health Canada in April 2023.
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.
University of Maastricht, Faculty of Psychology and Neuropsychology, Maastricht, Netherlands
Chiesi Clinical Trial - Site 100527, Lovech, Bulgaria
Chiesi Clinical Trial - Site 100533, Kozloduy, Bulgaria
Chiesi Clinical Trial - Site 840724, Muncie, Indiana, United States
Bispebjerg Hospital, Copenhagen, Denmark
University of Calgary, Calgary, Alberta, Canada
Arcutis Biotherapeutics Clinical Site 508, Los Angeles, California, United States
Arcutis Biotherapeutics Clinical Site 135, Pittsburgh, Pennsylvania, United States
Arcutis Biotherapeutics Clinical Site 238, Houston, Texas, United States
Songklanagarind hospital, Songkhla, Thailand
UC Davis, Sacramento, California, United States
Houston Methodist Hospital, Houston, Texas, United States
Mount Sinai, New York, New York, United States
Lenox Hill Hospital/Northwell Health, New York, New York, United States
Heart Institute (InCor) - Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil
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