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A phosphodiesterase-4 inhibitor, commonly referred to as a PDE4 inhibitor, is a drug used to block the degradative action of phosphodiesterase 4 (PDE4) on cyclic adenosine monophosphate (cAMP). It is a member of the larger family of PDE inhibitors. The PDE4 family of enzymes are the most prevalent PDE in immune cells. They are predominantly ...
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Roflumilast, sold under the brand name Daxas among others, is a medication used for the treatment of chronic obstructive pulmonary disease, [4] plaque psoriasis, [5] seborrheic dermatitis, [6] and atopic dermatitis. [5] It acts as a selective, long-acting inhibitor of the enzyme phosphodiesterase-4 (PDE-4). [10] It has anti-inflammatory effects ...
Phosphodiesterase-5. A phosphodiesterase inhibitor is a drug that blocks one or more of the five subtypes of the enzyme phosphodiesterase (PDE), thereby preventing the inactivation of the intracellular second messengers, cyclic adenosine monophosphate (cAMP) and cyclic guanosine monophosphate (cGMP) by the respective PDE subtype(s).
It showed reasonable efficacy for treating COPD, but side effects were problematic and it is unclear whether cilomilast will be marketed, or merely used in the development of newer drugs. [ 3 ] [ 4 ] Cilomilast is a second-generation PDE4 inhibitor with anti-inflammatory effects that target bronchoconstriction , mucus hypersecretion, and airway ...
The potential for selective phosphodiesterase inhibitors to be used as therapeutic agents was predicted in the 1970s by Weiss and coworkers. [5] This prediction has now come to pass in a variety of fields (e.g. sildenafil as a PDE5 inhibitor and Rolipram as a PDE4 inhibitor).