- Patients receive IDSHAP during courses 2 and 5, MBIDCOS during courses 3 and 6, and IFF and VP-16 IV over 1 hour on days 1-3 and DHAD IV over 15 minutes on day 1 during courses 1, 4, and 7. Each course lasts 4 weeks in the absence of disease progression or unacceptable toxicity.