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Pathway Description
Clocortolone Action Pathway
Homo sapiens
Drug Action Pathway
Clocortolone, brand name Cloderm, is a corticosteroid used as a topical cream to treat inflammatory and pruritic dermatoses of the scalp. Clocortolone is a moderate potency topical corticosteroid that should not be used with occlusive dressings. As this drug is a glucocorticoid, its mechanism of action is that of the glucocorticoid response element (GRE) influencing COX-2/prostaglandin G/H synthase 2 suppression and lipocortin/annexin induction. By binding to the glucocorticoid receptor, it influences transcription factors AP-1 and NF-kB to block the transcription of COX-2/prostaglandin G/H synthase 2 which reduces the amount of prostanoids being produced from arachidonic acid. Prostanoids such as PGI2 and thromboxane A2 influence the effects of inflammation through vasoconstriction/dilation, pain sensitivity, and platelet aggregation. Clocortolone also affects the promoter of annexin-1, an important inflammatory protein as it affects leukocytes and blocks phospholipase A2 which reduces the amount of arachidonic acid being cleaved from the phospholipid bilayer. Reducing the amount of arachidonic acid formed further decreases the concentrations of prostanoids mentioned calming inflammation.
References
Clocortolone Pathway References
Wishart DS, Feunang YD, Guo AC, Lo EJ, Marcu A, Grant JR, Sajed T, Johnson D, Li C, Sayeeda Z, Assempour N, Iynkkaran I, Liu Y, Maciejewski A, Gale N, Wilson A, Chin L, Cummings R, Le D, Pon A, Knox C, Wilson M: DrugBank 5.0: a major update to the DrugBank database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D1074-D1082. doi: 10.1093/nar/gkx1037.
Pubmed: 29126136
Ali A, Balkovec JM, Greenlee M, Hammond ML, Rouen G, Taylor G, Einstein M, Ge L, Harris G, Kelly TM, Mazur P, Pandit S, Santoro J, Sitlani A, Wang C, Williamson J, Forrest MJ, Carballo-Jane E, Luell S, Lowitz K, Visco D: Discovery of betamethasone 17alpha-carbamates as dissociated glucocorticoid receptor modulators in the rat. Bioorg Med Chem. 2008 Aug 15;16(16):7535-42. doi: 10.1016/j.bmc.2008.07.037. Epub 2008 Jul 20.
Pubmed: 18691892
Buchwald P: Glucocorticoid receptor binding: a biphasic dependence on molecular size as revealed by the bilinear LinBiExp model. Steroids. 2008 Feb;73(2):193-208. doi: 10.1016/j.steroids.2007.10.001. Epub 2007 Oct 11.
Pubmed: 18022656
Tanigawa K, Nagase H, Ohmori K, Tanaka K, Miyake H, Kiniwa M, Ikizawa K: Species-specific differences in the glucocorticoid receptor transactivation function upon binding with betamethasone-esters. Int Immunopharmacol. 2002 Jun;2(7):941-50. doi: 10.1016/s1567-5769(02)00036-x.
Pubmed: 12188035
Del Rosso JQ, Kircik L: A Comprehensive Review of Clocortolone Pivalate 0.1% Cream: Structural Development, Formulation Characteristics, and Studies Supporting Treatment of Corticosteroid-responsive Dermatoses. J Clin Aesthet Dermatol. 2012 Jul;5(7):20-4.
Pubmed: 22798972
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