Pfizer Inc. has a new near-term commercial opportunity that it hopes will refuel its immunology and inflammation portfolio as the blockbuster rheumatoid arthritis drug Xeljanz (tofacitinib) comes under pressure. Management highlighted etrasimod, which it gained through the acquisition ofArena Pharmaceuticals, Inc., during its first quarter sales and earnings call on 3 May as a drug that could return its I&I portfolio to growth.
Pfizer Highlights Next I&I Star As Xeljanz Sales Fall
The company is looking to refuel its immunology & inflammation portfolio as Xeljanz safety takes a toll and the franchise approaches loss of exclusivity.

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