MONTREAL, QUEBEC -- (MARKET WIRE) -- June 01, 2007 -- Thallion Pharmaceuticals Inc. (TSX: TLN) announced today that preliminary data from its Phase I/II clinical trial investigating ECO-4601 in advanced cancer patients was published in abstract form as part of the American Society of Clinical Oncology (ASCO) Annual Meeting in Chicago, Illinois. In the Phase I dose escalation portion of the study, 14 patients (ten colorectal, two ovarian, one duodenal and one glioma), that had completed and not responded to the respective standard of care therapy, were treated with ECO-4601. The product was well tolerated and a maximum tolerated dose (MTD) was not attained. Each of these 14 patients received from one to eight cycles of treatment, with seven patients completing at least three cycles. Of these seven evaluable patients, six demonstrated stable disease (four colorectal, one ovarian, one duodenal).
