** Shares of Immutep IMM.AX drop as much as 92.9% to a lifetime low of A$0.028
** Stock logs its largest intraday pct drop
** The biotechnology firm says independent data monitoring committee for co's TACTI-004 Phase III study for the treatment of non-small cell lung cancer has recommended the discontinuation of trial
** Says recommendation following a planned interim futility analysis in accordance with study protocol, based on review of available safety and efficacy data
** Adds enrolment in the study to be halted, co to implement orderly wind down of study
** More than 333.9 million shares change hands, 125.2 times the 30-day average
** Stock down 88.8% YTD, including the day's moves
(Reporting By Sherry Philips)
((sherrymary.jacob@thomsonreuters.com;))