Vivoryon Therapeutics NV said it will conduct an in-depth analysis after reporting top-line data showing the phase IIb European Viviad study testing its oral small molecule, varoglutamstat, in patients with early Alzheimer’s disease missed statistical significance on the primary endpoint measuring changes in cognition over time. Investors, however, opted for a more immediate reaction, sending company shares (Euronext Amsterdam:VVY) plunging 90% March 4, to close at €0.80 (US87 cents)