Objective: The aim of this study was to compare the antihypertensive efficacy and tolerability of the calcium channel antagonist amlodipine besylate ... by a 4-day placebo drug-free period.

The pharmaceutical industry has been closely monitoring this case, as Dr Reddy's used a novel approach to make its generic drug. Pfizer's original patent on amlodipine besylate (US Patent ...

This decision clears the way for generic launches of the antihypertensive drug. In 2003, the generics manufacturer Apotex filed an application to the FDA to market amlodipine besylate, the active ...