[Separation and pharmaco-toxicological studies of the enantiomers of Ifosfamide].

The enantiomers of ifosfamide were isolated chromatographically by the use of an optically active adsorbent. The biological activities of the racemic product and of the enantiomers (+)- and (-)-ifosfamide were compared as to the acute toxicity after single intraperitoneal administration on mice. Futhermore, the antitumor activity has been compared with regard to the rat leukemia L 5222 and the haematotoxicological effect. Under the conditions given, no biological differences between these 3 ifosfamide preparations were observed.