** Shares of drug developer Neumora Therapeutics NMRA.O
fall 22.5% to $10.51 premarket
** Co says the U.S. Food and Drug Administration (FDA) has
placed a clinical hold on the early-stage study of its
schizophrenia drug candidate
** Schizophrenia is a serious mental illness which involves
a disconnection from reality, including hallucinations and
delusions
** The FDA's clinical hold follows recently available
pre-clinical data showing convulsions in rabbits
** Says co has paused the study in which 30 participants
were dosed with no evidence of convulsions observed
** Says NMRA is working with FDA to evaluate the potential
to resolve the clinical hold
** The company that is backed by Amgen AMGN.O and Japan's
SoftBank 9434.T debuted on the Nasdaq in September
** Up to last close, stock down 20.5% YTD
(Reporting by Mariam Sunny in Bengaluru)
((Mariam.ESunny@thomsonreuters.com;))