Enrolling older persons in cancer trials: the effect of sociodemographic, protocol, and recruitment center characteristics.

PURPOSE To determine the effect of patient, protocol, geographic, and institutional factors on enrollment of older persons onto cancer trials. METHODS We conducted a cross-sectional analysis of patients enrolled onto National Cancer Institute-sponsored lung, breast, colorectal, and prostate cancer trials during 1996 to 2002. We used a cross-classified… CONTINUE READING