Thirteen patients were treated with both the oral and intravenous preparations of 4-demethoxydaunorubicin (DMDR). The drug was well tolerated in both forms. Neutropenia was the dose-limiting side-effect. Approximately 30% of the compound was absorbed when given orally. The maximum tolerated dose was 12.5 mg/m2 intravenously or 50 mg/m2 (10 mg/m2 q d × 5) orally, given every 21-28 days.
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