Patients with peripheral T-cell lymphoma (PTCL), unspecified, or anaplastic large cell lymphoma, T and null cell, primary cutaneous type, as defined by the Revised European American Lymphoma (REAL)/World Health Organization (WHO) classification (16-18), who have experienced disease progression after receiving prior standard treatment and who have had no more than 2 prior systemic cytotoxic chemotherapeutic regimens are eligible.