FDA Not Meeting PDUFA Dates on 2 Pfizer NDAs

FDA has notified Pfizer that it will not meet the already-extended PDUFA goal dates for the company’s NDA for abrocitinib to treat adults and adolescents with moderate to severe atopic dermatitis and the sNDA for Xeljanz/Xeljanz XR (tofacitinib) for treating adults with active ankylosing spondylitis. The agency cited its ongoing review of Pfizer’s ORAL Surveillance postmarketing safety study of Xeljanz in rheumatoid arthritis patients as a factor in the delay, Pfizer said.

In April, the agency said that safety concerns with JAK inhibitors were causing review extensions for Lilly/Incyte and Pfizer submissions. The concerns arose from the FDA-required Xeljanz postmarketing safety study. FDA has warned that interim trial results showed an increased risk of blood clots and death with the 10 mg twice-daily dosage.

Read more