Myelosuppression: Severe neutropenia, anemia, and thrombocytopenia can occur. Obtain complete blood counts prior to initiation of MATULANE. Secondary Malignancies: Lung cancer, myelodysplastic syndrome, acute myeloid leukemia, and non-Hodgkin lymphoma have been reported. Monitor patients for the development of secondary malignancies during and after treatment with MATULANE. Use in Patients with Renal or Hepatic Impairment: Evaluate renal and hepatic function. Closely monitor for adverse reactions. Risk of Disulfiram-like Reaction Due to Concomitant Use with Alcohol: Advise patients to avoid consumption of alcohol products containing propylene glycol before, after, and during treatment with MATULANE. Infertility: Male and female reproductive function and fertility may be impaired in patients treated with MATULANE. Advise patients on the potential risks for infertility.