As developers of similar drugs sought signs of hope – despite negative safety signals – in the otherwise-favorable top-line phase III data with transthyretin (TTR) antisense inhibitor inotersen in familial amyloid polyneuropathy (FAP), Ionis Pharmaceuticals Inc. called out during its conference call one would-be competitor's candidate by name: patisiran, the RNAi therapy from Alnylam Pharmaceuticals Inc.