1257P - Evaluation of changes in renal function in a phase III study of maintenance (mtc)pemetrexed (pem) plus best supportive care (BSC) versus placebo (plb) plus BSC after induction treatment (tx) with pem plus cisplatin for advanced nonsquamous non-small cell lung cancer (PARAMOUNT) - Gary Middleton (Birmingham, UK), Cesare Gridelli (Avellino, IT), Filippo de Marinis (Milan, IT), Jean-Louis Pujol (Montpellier, FR), Martin Reck (Grosshansdorf, DE), Rodryg Ramlaun (Poznan, PL), Maria Barbara Parente (Vila Nova de Gaia, PT), Thierry Pieters (Brussels, BE), Carla Visseren-Grul (Utrecht, NL), Belen San Antonio (Madrid, ES), William John (Indianapolis, US), Annamaria Zimmermann (Indianapolis, US), Nadia Chouaki (Paris, FR), Luis Paz-Ares (Seville, ES)