NDAINJECTIONINJECTABLE
Approved
Aug 1952
Lifecycle
LOE Approaching
Competitive Pressure
30/100
Mechanism of Action
tract. Animal studies indicate that this action is achieved via a dual mechanism: a specific anticholinergic effect (antimuscarinic) at the acetylcholine-receptor sites with approximately 1/8 the milligram potency of atropine ( in vitro , guinea pig ileum); and a direct effect upon smooth muscle…