['chronic lymphocytic leukemia', 'mantle cell lymphoma']
['ublituximab', 'ibrutinib']

        Inclusion Criteria:

          -  Confirmed Mantle Cell lymphoma (MCL) open for enrollment. The Chronic Lymphocytic
             Leukemia (CLL) enrollment arm is now closed.

          -  Refractory to or relapsed after at least 1 prior treatment regimen

          -  Eastern Cooperative Oncology Group (ECOG) score of 0 to 2

        Exclusion Criteria:

          -  Any major surgery, chemotherapy or immunotherapy within the last 21 days

          -  Known hepatitis B virus, hepatitis C virus or HIV infection

          -  Autologous hematologic stem cell transplant within 3 months of study entry. Prior
             Allogeneic hematologic stem cell transplant is excluded.

          -  Richter's transformation, prolymphocytic leukemia or primary central nervous system
             lymphoma
      