Non-CYP dependent metabolism.

(To be edited, initial data ST OCT 04) Muscle relaxant used in surgery and intensive care. Isomeric form of atracurium. Metabolized non-enzymatically by Hofmann elimination. One of the two metabolites is further metabolized by hydrolysis via unspecific plasma esterases .

Uneventful use reported in 1 patient with acute porphyria.