PRIOR CONCURRENT THERAPY: Biologic therapy: No intravesical BCG within 3 months prior to study entry Prior BCG therapy is required for CIS patients (if not contraindicated) Chemotherapy: No prior intravesical chemotherapy within 4 weeks prior to study No prior systemic anticancer therapy within 4 months prior to study No prior paclitaxel therapy Endocrine therapy: Not specified Radiotherapy: No prior radiotherapy within 4 months prior to study Surgery: Not specified Other: No hypersensitivity reactions to products containing cremophor