Pfizer's Xeljanz: The Slow Road To Blockbuster Status

The oral pill, perhaps best known to investors for failing to live up to initial expectations in rheumatoid arthritis, has found its groove – and new opportunities in psoriatic arthritis and ulcerative colitis are on the horizon.

pills

It has been almost five years since Pfizer Inc.'s Xeljanz (tofacitinib) was approved by the US FDA for rheumatoid arthritis, and the drug is just finally reaching the blockbuster-level sales investors had been hoping for years ago.

Xeljanz' long road to blockbuster status points to the challenges new drugs face in competitive therapeutic categories like rheumatoid arthritis,...

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