Pfizer Reports Positive Top-line Results From Phase 3 Trials Of Of Tofacitinib 

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The FINANCIAL — Pfizer Inc. announced on September 21 top-line results from two Phase 3 induction trials of tofacitinib 10 mg twice daily (BID) tablets in the Oral Clinical Trials for tofAcitinib in ulceratiVE colitis (OCTAVE) global clinical development program for the treatment of adults with moderate to severe ulcerative colitis (UC): OCTAVE Induction 1 (A3921094) and OCTAVE Induction 2 (A3921095).

Both studies met their primary endpoints as measured by the proportion of patients receiving tofacitinib in remission at Week 8 compared to patients receiving placebo, according to Pfizer.

“We are encouraged by the results of the OCTAVE induction studies as ulcerative colitis is a chronic, and at times debilitating, disease that can be difficult to treat” said Rory O’Connor, MD, senior vice president and head of Global Medical Affairs, Global Innovative Pharmaceuticals Business, Pfizer Inc. “Pfizer remains committed to advancing the science of Janus kinase inhibition and enhancing understanding of tofacitinib, the first in this new class of medications being investigated for ulcerative colitis. We look forward to sharing the results of our ongoing Phase 3 maintenance study OCTAVE Sustain, when available, which will provide further information on tofacitinib in ulcerative colitis.”

No new or unexpected safety findings for tofacitinib were observed in the studies. Serious adverse events observed were similar to those seen in other clinical development programs for tofacitinib. Detailed analyses of OCTAVE Induction 1 and OCTAVE Induction 2, including additional efficacy and safety data, will be submitted for presentation at a future scientific meeting.

OCTAVE Induction 1 and OCTAVE Induction 2 are two identical Phase 3 placebo-controlled studies evaluating induction of remission by oral tofacitinib 10 mg BID in adult patients with moderate to severe UC. A total of 598 patients in OCTAVE Induction 1 and 541 patients in OCTAVE Induction 2 were randomized to tofacitinib 10 mg BID or placebo treatment groups.

The OCTAVE global clinical development program includes three Phase 3 studies, OCTAVE Induction 1, OCTAVE Induction 2, and OCTAVE Sustain (A3921096), as well as a long-term extension trial, OCTAVE Open (A3921139). Results for OCTAVE Sustain are anticipated by the end of 2016. These four studies will form the potential submission package to regulatory authorities for a potential UC indication.

 

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