- Ongoing or planned treatment with corticosteroid medications, estrogens, progestins (including Megestrol acetate) or any other steroid hormone during the study period. Patients who receive intermittent corticosteroids as part of a pre-chemotherapy antiemetic regimen are eligible for this study. Patients treated with Oxandrin or Megestrol acetate < 3 months before study entry are not eligible. Patients taking dronabinol or any other appetite stimulant must be off medication for a minimum of 3 days prior to start of study medication.