Investors in Minerva Neurosciences Inc. on Dec. 1 gave a chilly reception to reported FDA feedback on the company's experimental treatment for the negative symptoms in schizophrenia, roluperidone. Though the drug failed to deliver statistically significant differences vs. placebo in a phase III study this year, CEO Remy Luthringer outlined a potential path to NDA filing for the candidate using a modified intent-to-treat analysis of the trial and evidence from other ongoing evaluations.