** Shares of Avecho Biotechnology Ltd AVE.AX rise as much
as 40% to A$0.014, their highest since Oct. 26
** Biotech firm says its improved Propofol TPM formulation
has passed a critical toxicology study milestone urn:newsml:reuters.com:*:nASX4Vh2s0
** Co's Propofol is a general anaesthetic used for the
induction or maintenance of sedation during surgical procedures
** Toxicology study conducted at U.S.-based Charles River
Laboratories demonstrates Avecho's improved Propofol TPM vehicle
is acceptable for a continuous 24-hour infusion in rats
** Stock posts its biggest intraday percentage gain since
Oct. 23
** About 9.8 mln shares change hands, compared with the
30-day average volume of over 4.8 mln shares
** Stock had more than doubled in value this year, as of
last close
(Reporting by Nikhil Subba in Bengaluru)
((Nikhil.Subba.thomsonreuters.com@reuters.net))