Drugs Exp Clin Res. 1996;22(3-5):279-81. Ukrain therapy of a recurrent astrocytoma of the optic nerve (case report). Steinacker J, Korsh OB, Melnyk A. Ukrainian Anti-Cancer Institute, Vienna, Austria. An eight year old girl was twice operated (1989 and 1991) for a Grade I astrocytoma of the chiasma. Because of early recurrence and the fact that the tumour could only be extirpated subtotally Ukrain monotherapy was initiated.