- Graft-versus-host disease prophylaxis: Patients receive cyclosporine IV over 2 hours or orally 2-3 times daily beginning on day -3 and continuing until day 100 followed by a taper until day 180. Patients also receive mycophenolate mofetil IV or orally twice daily beginning on day -3 and continuing until day 30 or until 7 days after engraftment.