Five consecutive patients with recurrent medulloblastoma received etop
oside 120 mg/m(2) for 5 to 7 days at 2 to 4-week intervals. Three pati
ents with neuroaxis dissemination received additional intrathecal chem
otherapy with methotrexate, cytosin arabinoside and prednisone. Toxici
ty consisted of alopecia and mild neutropenia. Complete response was r
egistered in two patients, partial response in one. Median survival wa
s 19 months with the 3 responders living 6, 30 and 60 + months. Etopos
ide seems to be an active agent in medulloblastoma.