** Shares of Amplia Therapeutics ATX.AX rise as much as 16.3% to A$0.100, posting their biggest percentage gain since Oct. 10
** Stock hits its highest level since Nov. 15
** Drug developer reports positive clinical trial results for its pancreatic cancer drug narmafotinib
** Says 35% patients show partial response in trial vs 23% in historical standard-of-care treatment
** About 6.4 mln shares change hands, compared with the 30-day average volume of around 1.6 mln
** Stock up 20.7% YTD, including session's move
(Reporting by Aaditya Govind Rao in Bengaluru)
((Aaditya.govindrao@thomsonreuters.com))