dexamethasone palmitate

Dexamethasone palmitate is a lipophilic ester prodrug of the synthetic glucocorticoid dexamethasone, typically formulated as a lipid emulsion for injection. This nanoparticle-based delivery system is designed to enhance the drug's therapeutic index by targeting inflamed tissues, such as the synovium in rheumatoid arthritis, through the enhanced permeability and retention (EPR) effect and selective uptake by activated macrophages. Once localized at the site of inflammation, the palmitate ester is hydrolyzed by cellular esterases to release active dexamethasone. The released dexamethasone then binds to the glucocorticoid receptor, leading to the modulation of gene expression and the inhibition of pro-inflammatory cytokines and mediators. This targeted approach aims to provide sustained anti-inflammatory effects while potentially reducing the systemic side effects associated with conventional corticosteroid administration.

Brand names

DorleneLimethason

Other names

dexamethasone 21-palmitatedexamethasone21-palmitatedexamethasone-21-palmitate