Abstract
INSIGHTS gained by cancer researchers in the 1980s have set the stage for the development of radically new cancer treatments, says John Laszlo, MD, senior vice president for research for the American Cancer Society, Atlanta, Ga. Speaking at the society's 32nd Science Writers' Seminar in Daytona Beach, Fla, Laszlo predicted the appearance of therapies that are based on novel ways to destroy tumors or to prevent their growth and spread. Up to now there have been no significant new treatments for cancer as a result of new molecular biology, but that promises to change during the 1990s, he says. Among the speakers at the 4-day seminar were researchers who described several novel therapies that are already undergoing or are close to clinical trials. For example, James W. Dennis, PhD, and colleagues at the University of Toronto, Canada, have identified a molecular structure on the surface of cancer cells they believe
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