Intravenous ITCZ was given to the patients in both study arms with a loading dose of 400 mg/day for 2 days followed by 200 mg/day until day +14 or when the white blood cell count was > 1.0 10 ( 9 ) / L , and then switched to oral ITCZ solution ; prophylaxis was continued until day +30 post transplantation in the short-term arm or until day +90 in the long-term arm .