- Consolidation therapy: Patients who achieve CR, CR with incomplete blood count recovery (CRi), or partial remission (PR) after induction therapy receive arsenic trioxide IV over 2 hours 5 days a week for 5 weeks. After a 2-week rest period, patients receive a second course of arsenic trioxide. Within 14-30 days after blood count recovery, patients receive oral tretinoin twice daily on days 1-7 and daunorubicin hydrochloride IV on days 1-3. Patients receive a second course of tretinoin and daunorubicin hydrochloride after adequate blood count recovery.