** Regenerative medicine maker's shares HSTO.O rise 6.6%
to $2.09 premarket
** Co enters into development and commercialization
agreement with Amerimmune LLC for experimental COVID-19
treatment urn:newsml:reuters.com:*:nGNX44CpSw
** HSTO has received U.S. FDA nod to start early-stage trial
for the experimental treatment, emricasan, in mild COVID-19
patients
** Amerimmune to lead development of emricasan, HSTO to
retain ownership; has chosen 2 sites in New York City to conduct
the study
** Co expects to start trial by end of 2020
** Amerimmune can sell emricasan under certain conditions to
support future third-party partnering transactions; cos to share
profit equally if such partnership occurs
** HSTO down 51% YTD as of Monday's close
(Reporting by Trisha Roy in Bengaluru)
((Trisha.Roy@thomsonreuters.com; within U.S. +1 646 223 8780,
outside U.S. +91 80 6182 3635;))