** Shares of gene therapy developer AVROBIO Inc AVRO.O
rise ~12% premarket to 65 cents
** Co announces positive data from early to mid-stage trial
of its investigational gene therapy for cystinosis treatment
** Cystinosis is a rare genetic condition that causes an
amino acid called cystine to accumulate in cells
** Co says data demonstrates a durable treatment effect
across key measures out to 36 months
** Follow-up data suggest that after receiving gene therapy,
patients can produce functional cystinosin protein throughout
the body - AVRO
** The fully enrolled trial is monitoring long-term safety
and efficacy in six adult patients affected by the most severe
and common form of cystinosis who previously had been treated
with the standard of care cysteamine
** Co said received positive regulatory feedback from US FDA
and UK's MHRA
** Up to last close, stock down ~19% YTD
(Reporting by Sriparna Roy in Bengaluru)
((Sriparna.Roy@thomsonreuters.com;))