Table 1: Dates when the generic bisphosphonates were first dispensed in Ontario by the ODB formulary
Generic bisphosphonateDate
Daily alendronateSept. 2003
Weekly alendronateJuly 2005
Daily risedronateApr. 2010
Weekly risedronateApr. 2010
Monthly risedronateJune 2012
Weekly alendronate + vitamin DJan. 2014

Note: ODB = Ontario Drug Benefit.