ic agents: Acetyll-L-Carnitine, Amifostin, Amitriptyline, CaMg for patients receiving oxaliplatin-based chemotherapy, Diethyldithio-carbamate (DDTC), Glutathione (GSH) for patients receiving paclitaxel/carboplatin chemotherapy, Nimodipinde, Org 2766, All-trans-retinoic acid, rhuLIF, Vitamin E, and Venlafaxine.