Why Did PTC Therapeutics Stock Fall On Monday Despite Mid-Stage Study For Huntington's Hits Primary Goal?

PTC Therapeutics, Inc. PTCT on Monday announced results from the Phase 2 PIVOT-HD study of PTC518 (votoplam) in Stage 2 and Stage 3 Huntington’s disease (HD) patients.Huntington’s disease is a progressive neurodegenerative disorder caused by mutation of the huntingtin (HTT) gene, leading to the breakdown of brain cells. It is characterized by uncontrolled movements (chorea), cognitive decline, and psychiatric disturbances.The study met its primary endpoint of reduction in blood Huntingtin (HTT) protein leve ...