From Our 2010 Archives

Short-Term Drug Combo May Help Prevent Colon Cancer

MONDAY, March 29 (HealthDay News) -- A two-drug combination that kills precancerous colon polyps without harming normal tissue offers a potential new way to prevent colon cancer, researchers say.

The combination of vitamin A acetate (RAc) and tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) was effective in mice and in human colon cancer tissue in the lab, according to the results of a study published online March 28 in the journal Nature.

The treatment appears to solve a problem with current chemopreventive drugs, which is that they must be taken continuously and long term to be effective, thus exposing patients to possible side effects, said study senior author Xiangwei Wu, an associate professor in the head and neck surgery department at the University of Texas M.D. Anderson Cancer Center.

"This combination can be given short term and periodically to provide a long-term effect, which would be a new approach to chemoprevention," Wu said in a university news release.

However, further research is needed before this combination treatment can be considered for human clinical trials, Wu said.

-- Robert Preidt

Copyright © 2010 HealthDay. All rights reserved.

SOURCE: University of Texas M.D. Anderson Cancer Center, news release, March 28, 2010





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