(44-20) 74 18 84 00 Fax (44-20) 74 18 84 16 E-mail: mail@emea. europa. eu http: / /www. emea. europa. eu ©EMEA 2007 Reproduction and/ or distribution of this document is authorised for non commercial purposes only provided the EMEA is acknowledged Nelarabine is converted within cells to an analogue of guanine, one of the fundamental chemicals that make up DNA.