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Age and treatment response in acute nonlymphoblastic leukemia.

Treatment of older acute leukemia patients has been the subject of recent debate. We treated 101 acute leukemia patients in a prospective randomized trial. Fifty-seven per cent of the population was over 50. Half were treated with a mild induction program (VAMP) and half with a vigorous program (CAT). The older patients who received vigorous treatment did better than those who received mild treatment. We suggest that patients over 50 should be regarded as a separate category in design of treatment protocols in order to further maximize the benefits of therapy.