Abstract
NEW TECHNOLOGIES are making it possible to treat many cancer patients with far more toxic levels of chemotherapy than generally have been used until now. A panel of scientists addressed this sometimes controversial issue in Phoenix, Ariz, at the 33rd American Cancer Society Science Writers' Seminar. With the help of such new techniques, these panelists agreed, cancers now should be hit earlier and a lot harder. Despite the higher chances of longer survival or cure, physicians have been reluctant to use more toxic doses of chemotherapy because of its many adverse effects, especially the life-threatening bleeding and infections that result from destruction of the patient's bone marrow. But now, say the researchers, there are ways to quickly restore or replace the patient's immune system with cell growth factors and with autologous and allogeneic bone marrow transplants. <h3>Antiemetics Available</h3> In addition, there are new agents that can minimize the nausea and
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