Tofacitinib 11mg, 22mg ... XR tabs are not interchangeable or substitutable with oral soln. Increased risk of serious or fatal infections (eg, TB, bacterial, viral, invasive fungal, or other ...

Pfizer is already a player in the JAK inhibitor anti-inflammatory category with Xeljanz, but now has the ... safety profiles but also because as oral drugs they could start to displace injectable ...