Overview Phase II Study of ONTAK in Previously Treated Patients With Low-grade Non-Hodgkin's Lymphoma (NHL) Status: Completed Trial end date: 2006-09-01 Target enrollment: Participant gender: Summary The purpose of this study is to look at the safety and effectiveness of ONTAK in previously treated patients with NHL. Phase: Phase 2 Details Lead Sponsor: Eisai Inc.Treatments: Denileukin diftitox