If a patient fails an anti-TNF agent (there are 5 in the market), doc can either put him on a different anti-TNF agent or switch to a non anti-TNF agent (Actemra, Orencia, Rituxan). Among the latter class (Simponi and Cimzia mentioned in the Sermo Event Report are both anti-TNFs), Orencia has the better efficacy/safety profile and a broader label. BMY also conducts a phase III head-to-head vs. Humira trial to compete in 1st line RA:
This physician survey is bullish for ABT, PFE/AMGN, JNJ/MRK, and (paradoxically) MNTA:
The survey is bullish for ABT, PFE/AMGN, and JNJ/MRK because they sell the three leading biologics for RA (Humira, Enbrel, and Remicade, respectively). It is bullish for MNTA because an interchangeable FoB in the US for one of the above drugs will not have to be prescribed in order to be used.