Ritemvia is indicated in adults for the following indications: Non-Hodgkin’s lymphoma (NHL) Ritemvia is indicated for the treatment of previously untreated patients with stage III, IV follicular lymphoma in combination with chemotherapy. Ritemvia maintenance therapy is indicated for the treatment of follicular lymphoma patients responding to induction therapy. Ritemvia monotherapy is indicated for treatment of patients with stage III, IV follicular lymphoma who are chemo resistant or are in their second or subsequent relapse after chemotherapy. Ritemvia is indicated for the treatment of patients with CD20 positive diffuse large B cell non Hodgkin’s lymphoma in combination with CHOP (cyclophosphamide, doxorubicin, vincristine, prednisolone) chemotherapy. Granulomatosis with polyangiitis and microscopic polyangiitis. Ritemvia, in combination with glucocorticoids, is indicated for the induction of remission in adult patients with severe, active granulomatosis with polyangiitis (Wegener’s) (GPA) and microscopic polyangiitis (MPA).