Abstract
Autoradiographic studies of labeled diacetyldianhydro-galactitol (DADAG) with tumor bearing animals revealed that the CNS accumulates high amounts of DADAG-derived radioactivity and the elimination from the brain seems to be relatively slow. This observation and the activity of DADAG against murine ependymoblastoma classified the drug as a promising agent for the treatment of malignant brain tumors. In a series of 30 evaluable consecutive patients who were operated on for anaplastic astrocytomas, DADAG has been applied during and subsequent to postoperative radiotherapy. No severe toxicity occurred. Survivals were compared with a group of patients who got irradiation alone. Statistical analysis did not show significantly better survivals in the DADAG treated group: median value was 46.5 weeks, p = 0.232.
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