Robyn Karnauskas of Deutsche Bank forecasts that US Tysabri sales will fall from $633M in 2010 to $376M in 2015 as newer and safer MS drugs reach the market.
I'm all in for safer, IF EFFECTIVE, MS treatments. (My wife is on Tysabri after failing Copaxone.)
BUT what I am hearing is that Gilenia carries a cancer risk. Weighing a quantifiable PML risk against an unquantifiable cancer risk versus the ravages of MS is awful.
Copaxone Continues Cleaning Tysabri’s Clock in US Market
[Updated for 3Q10 Tysabri sales.]
The US market is the one of consequence for MNTA investors insofar as this is where MNTA/NVS have submitted an ANDA for generic Copaxone. Below are Tysabri and Copaxone US sales for the past nine quarters with the recent year-over-year and quarter-over-quarter growth rates. Copaxone outsells Tysabri in the US by better than 3:1.