Cialis, Levitra market share numbers
Executive Summary
Lilly/Icos' erectile dysfunction therapy Cialis is tracking approximately three percentage points ahead of Bayer/GlaxoSmithKline's Levitra, Lilly said. Lilly reported that for the week ending March 12, Cialis (tadalafil) captured 18.1% of new prescriptions while Levitra (vardenafil) held a 15.4% share. Bayer reported new Rx market share of 16% during its year-end investor meeting March 18 (1"The Pink Sheet" March 22, 2004, p. 27). Both agents are in a head-to-head battle to overtake Pfizer's Viagra, which remains the market leader...