Servier’s drug vorasidenib helped glioma patients stave off cancer growth. An experimental drug significantly delayed the growth of a pernicious type of brain tumor, a major advance in a field that has made little progress for decades. …Servier’s drug vorasidenib helped glioma patients stave off cancer growth. An experimental drug significantly delayed the growth of a pernicious type of brain tumor, a major advance in a field that has made little progress for decades. WW…