UCB S.A. has presented more data on zilucoplan and rozanolixizumab, two late-stage therapies for generalized myasthenia gravis (gMG) but observers are sceptical about the pair's prospects of challenging the new drug on that particular rare disease block, argenx N.V.'s Vyvart.
The Belgian firm has unveiled detailed results from two Phase III trials of the two drugs for gMG, which causes...