PRIOR CONCURRENT THERAPY: Biologic therapy: See Disease Characteristics Chemotherapy: Not specified Endocrine therapy: Not specified Radiotherapy: Not specified Surgery: Not specified Other: No prior nonmyeloablative regimen (e.g., FHCRC-1209 or FHCRC-1225) No other concurrent antifungal agents No concurrent astemizole, terfenadine, or cisapride