Avacopan, a C5aR antagonist, for Rx of ANCA-Assoc GPA & MPA. Main warning for liver AE. In RCTs, abnl LFTs seen in 11.6-13.3% and 4.2% D/C drug for liver probs. Recent Japanese report of 22 AAV pts with AVACO Liver injury seen in 9 pts - Severe, incr total bilirubin in 4, 1 pt… https://t.co/LyuIQhwOoQ https://t.co/TAmQ9vph4V