“…A total of 19 trials fulfilled the criteria of selection (Table 1; Eagan et al, 1981;Fukuoka et al, 1986Fukuoka et al, , 1991Evans et al, 1987;Haveman et al, 1987;Wolf et al, 1987;Chahinian et al, 1989;Sculier et al, 1990aSculier et al, , 1993Goodman et al, 1990;Smith et al, 1990;Wampler et al, 1991;Kanitz et al, 1992;Roth et al, 1992;Farris et al, 1993;Sculier et al, 1993;Joss et al, 1994;Veronesi et al, 1994;Souhami et al, 1997;Urban et al, 1999). One trial was rejected due to the fact that patients had received chemotherapy prior to randomization as it was a second-line chemotherapy study (O'Bryan et al, 1990).…”