Lidocaine first-pass effect

lidocaine's half-life of less than .. hours, tocainide's half-life is approximately 15 hours, with

About 75% to 80% of phenacetin (now withdrawn from the U.S. market) is converted to .....

nonsteroidal anti-inflammatory drugs combine with the desired cyclooxygenase receptors at the site of the inflammation and the undesired cyclooxygenase receptors in the gastrointestinal mucosa

Insulin, Growth hormone (GH), Prolactin and Parathvroid hormone (PTH break

Amides are hydrolyzed slowly in comparison to esters.

improve the poor oral absorption of carbenicillin, a lipophilic ....... has been formulated. Once orally absorbed, the ester is hydrolyzed rapidly to the parent drug.