AT ASH 2016

SAN DIEGO (FRONTLINE MEDICAL NEWS)– For patients with indolent non-Hodgkin lymphoma, adding the anti-CD20 antibody rituximab to a standard-combination chemotherapy regimen resulted in significant improvements in survival, compared with chemotherapy alone. Obinutuzumab (Gazyva), a second-generation anti-CD20 antibody touted as the heir apparent to rituximab, is being explored in various combinations for the treatment of indolent lymphomas, including follicular lymphoma and marginal zone lymphoma.

In this video interview from the annual meeting of the American Society of Hematology, Robert Marcus, FRCP, of King’s College Hospital, London, discussed results of the phase III GALLIUM study, in which patients with untreated follicular lymphoma were randomly assigned to one of three chemotherapy regimens with either obinutuzumab or rituximab. The primary endpoint of investigator-assessed 3-year progression-free survival (PFS) at a median follow-up of 34.5 months was 80% for patients with follicular lymphoma treated with obinutuzumab and one of three standard chemotherapy regimens, compared with 73.3% for patients treated with rituximab and chemotherapy. This difference translated into a hazard ratio (HR) favoring obinutuzumab of 0.68 (P = .0012).

Respective 3-year overall survival rates were similar, however, at 94% and 92.1% (HR, 0.75; P = .21).

The GALLIUM trial is sponsored by F. Hoffmann-La Roche. Dr. Marcus disclosed consulting with and receiving honoraria from the company, and relationships with other companies.


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