[Bioavailability of cyclophosphamide following oral administration in high doses].

Mean rate of absorption of cyclophosphamide after oral administration from studies in which the drug is given in doses of 0,7 g/m2 body surface both orally and intravenously to the same 18 tumor patients is 87.7% (s - 21.1%). The drug may be administered orally with good bioavailability at the high dose.