Apremilast, also known as Otezla, is a phosphodiesterase 4 (PDE4) inhibitor used to treat various types of symptoms resulting from certain inflammatory autoimmune diseases. It belongs to the same drug class as [Roflumilast] and [Crisaborole].[A181244,L7495] I…

Piclamilast (RP-73,401), is a selective PDE4 inhibitor comparable to other PDE4 inhibitors for its anti-inflammatory effects. It has been investigated for its applications to the treatment of conditions such as chronic obstructive pulmonary disease, bronchopu…

Roflumilast is a highly selective phosphodiesterase-4 (PDE4) inhibitor.[A251385] PDE4 is a major cyclic-3',5?-adenosinemonophosphate (cyclic AMP, cAMP)-metabolizing enzyme [L37564] expressed on nearly all immune and pro-inflammatory cells, in addition to stru…