Biochem/physiol Actions Cytoprotective PGE1 analog that prevents NSAID-induced gastric ulceration. PGE1 analog prodrug which is rapidly de-esterified to active "misoprostolic acid". Cited for extremely wide-ranging therapeutic effects, including prevention of NSAID-induced gastric ulceration, regulation of immunologic cascades, inhibition of platelet-activating factor (PAF), treatment of ethanol- and acetaminophen-induced hepatotoxicity and hepatitis, and stimulation of cartilage repair after injury.1 |