Obinutuzumab With or Without Umbralisib, Lenalidomide, or Combination Chemotherapy in Treating Patients With Relapsed or Refractory Grade I-IIIa Follicular Lymphoma
National Cancer Institute (NCI)
National Cancer Institute (NCI)
University of Washington
Fred Hutchinson Cancer Center
City of Hope Medical Center
City of Hope Medical Center
University of Washington
City of Hope Medical Center
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins