A PHASE Ml STUDY OF CYTOSINE ARABINOSIDE, DAUNORUBICIN, AND VP16–213 IN ADULT PATIENTS WITH ACUTE NON‐LYMPHOCYTIC LEUKEMIA

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Abstract
The combination cytosine arabinoside (ara-C), daunorubicin, and VP16-213 was studied in 28 patients with acute non-lymphocytic leukemia to define the toxicity of the combination and assess its efficacy of 21 previously untreated patients, 16 (76%) achieved a complete response (CR) with the median remission duration not reached but exceeding 25 weeks. For CR patients, the median number of days with neutrophilis < 500/.mu.l was 19. The median survival for patients with CR is 60 weeks. Two of seven previously treated patients achieved CR for 11 weeks and in excess of 36 weeks, respectively. At the initial VP16-213 dose of 100 mg m-2 per day for seven days, severe stomatitis was seen in 38% of courses but was less with dose reduction to 75 mg m-2 per day for seven days. Other toxicity was similar to previous experience with ara-C and daunorubicin alone.