Inclusion
· Participant has histologically confirmed Grade 1, 2 or 3a follicular lymphoma (FL) or classic FL. Formalin-fixed paraffin embedded (FFPE) archival tissue from 1 year prior to screening is allowed. If more than 1 year has passed, then a fresh biopsy must be obtained to confirm the diagnosis.
· Have no prior systemic treatment for follicular lymphoma. Prior radiation therapy or surgery for previously diagnosed stage I disease is acceptable.
· Stage II to IV disease.
· Deemed to need treatment by treating investigator. Reasons for treatment can include, but are not limited to, the following:
i) Bulky disease defined as:.
A. A nodal or extra nodal (except spleen) mass > 7cm in its greater diameter or, involvement of at least 3 nodal or extra nodal sites (each with a diameter greater than >3 cm).
ii) Presence of at least one of the following B symptoms:.
A. Fever (>38°C) of unclear etiology.
B. Night sweats.
C. Weight loss greater than 10% within the prior 6 months.
iii) Splenomegaly with inferior margin below the umbilical line.
iv) Any one of the following cytopenia due to lymphoma:.
A. Platelets <100,000 cells/mm3 (100 x 109/L).
B. Absolute neutrophil count (ANC) < 1,500 cells/mm3 (1.5 x 109/L).
C. Hemoglobin < 10g/dL (6.25 mmol/L).
v) Pleural or peritoneal serous effusion (irrespective of cell content).
vi) Any compressive syndrome (for example, but not restricted to ureteral, orbital, gastrointestinal).