
A new treatment option for treating T-cell lymphoblastic leukemia (T-ALL) and T-cell lymphoblastic lymphoma (T-LBL) is on the horizon. In 2006, GlaxoSmithKline will begin marketing the recently approved nelarabine (Arranon), a water-soluble pro-drug of the cytotoxic deoxyguanosine analog 9-?-D-arabinofuranosylguanine (ara-G).