METHODS	Those patients who achieved a complete remission ( CR ) were given three consolidation courses that consisted of CA ( 100 mg/m2 intravenously [ IV ] ) and thioguanine ( TG ; 100 mg/m2 orally ) every 12 hours for 5 days and either DNR ( 50 mg/m2 ) or IDR ( 15 mg/m2 ) on the first day of each cycle .\