RESEARCH TRIANGLE PARK, NORTH CAROLINA -- (MARKET WIRE) -- April 17, 2007 -- Adherex Technologies Inc. (TSX: AHX) (AMEX: ADH), a biopharmaceutical company with a broad portfolio of oncology products under development, today announced that the Company will be presenting preclinical data on ADH-1 in combination with chemotherapy in a poster presentation at the 2007 Annual Meeting of the American Association of Cancer Research (AACR) in Los Angeles, CA, today from 1-5 p.m. PT entitled "Synergistic anti-tumor activity of ADH-1 in vitro and in vivo in combination with paclitaxel in ovarian cancer cell lines" by Mukur Gupta, Derrick Barnes, Jan Losos, Glenn Spehar, Mark Bednarcik, and William P. Peters.