Stage IIIB/IV untreated/relapsed patients with NS NSCLC received a @-week cycle of pemetrexed @ mg/m ( @ ) and cisplatin @ mg/m ( @ ) on day @ ( arm A ) or oral vinorelbine @ mg/m ( @ ) on days @ and @ ( first cycle @ mg/m ( @ ) ) and cisplatin @ mg/m ( @ ) on day @ ( arm B ) .