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The European Commission (EC) has expanded the marketing authorization for obinutuzumab (Gazyvaro).
The drug is now approved for use in combination with chemotherapy to treat patients with previously untreated, advanced follicular lymphoma (FL). Patients who respond to this treatment can then receive obinutuzumab maintenance.
This is the third EC approval for obinutuzumab.
The drug was first approved by the EC in 2014 to be used in combination with chlorambucil to treat patients with previously untreated chronic lymphocytic leukemia and comorbidities that make them unsuitable for full-dose fludarabine-based therapy.
In 2016, the EC approved obinutuzumab in combination with bendamustine, followed by obinutuzumab maintenance, in FL patients who did not respond to, or who progressed during or up to 6 months after, treatment with rituximab or a rituximab-containing regimen.
The EC’s latest approval of obinutuzumab is based on results of the phase 3 GALLIUM trial, which were presented at the 2016 ASH Annual Meeting.
The study enrolled 1401 patients with previously untreated, indolent non-Hodgkin lymphoma, including 1202 with FL.
Half of the FL patients (n=601) were randomized to receive obinutuzumab plus chemotherapy (followed by obinutuzumab maintenance for up to 2 years), and half were randomized to rituximab plus chemotherapy (followed by rituximab maintenance for up to 2 years).
The different chemotherapies used were CHOP (cyclophosphamide, doxorubicin, vincristine, and prednisolone), CVP (cyclophosphamide, vincristine, and prednisolone), and bendamustine.
Patients who received obinutuzumab had significantly better progression-free survival than patients who received rituximab. The 3-year progression-free survival rate was 73.3% in the rituximab arm and 80% in the obinutuzumab arm (hazard ratio [HR]=0.66, P=0.0012).
There was no significant difference between the treatment arms with regard to overall survival. The 3-year overall survival was 92.1% in the rituximab arm and 94% in the obinutuzumab arm (HR=0.75, P=0.21).
The overall incidence of adverse events (AEs) was 98.3% in the rituximab arm and 99.5% in the obinutuzumab arm. The incidence of serious AEs was 39.9% and 46.1%, respectively.
The incidence of grade 3 or higher AEs was higher among patients who received obinutuzumab.
Grade 3 or higher AEs occurring in at least 5% of patients in either arm (rituximab and obinutuzumab, respectively) included neutropenia (67.8% and 74.6%), leukopenia (37.9% and 43.9%), febrile neutropenia (4.9% and 6.9%), infections and infestations (3.7% and 6.7%), and thrombocytopenia (2.7% and 6.1%). 
The European Commission (EC) has expanded the marketing authorization for obinutuzumab (Gazyvaro).
The drug is now approved for use in combination with chemotherapy to treat patients with previously untreated, advanced follicular lymphoma (FL). Patients who respond to this treatment can then receive obinutuzumab maintenance.
This is the third EC approval for obinutuzumab.
The drug was first approved by the EC in 2014 to be used in combination with chlorambucil to treat patients with previously untreated chronic lymphocytic leukemia and comorbidities that make them unsuitable for full-dose fludarabine-based therapy.
In 2016, the EC approved obinutuzumab in combination with bendamustine, followed by obinutuzumab maintenance, in FL patients who did not respond to, or who progressed during or up to 6 months after, treatment with rituximab or a rituximab-containing regimen.
The EC’s latest approval of obinutuzumab is based on results of the phase 3 GALLIUM trial, which were presented at the 2016 ASH Annual Meeting.
The study enrolled 1401 patients with previously untreated, indolent non-Hodgkin lymphoma, including 1202 with FL.
Half of the FL patients (n=601) were randomized to receive obinutuzumab plus chemotherapy (followed by obinutuzumab maintenance for up to 2 years), and half were randomized to rituximab plus chemotherapy (followed by rituximab maintenance for up to 2 years).
The different chemotherapies used were CHOP (cyclophosphamide, doxorubicin, vincristine, and prednisolone), CVP (cyclophosphamide, vincristine, and prednisolone), and bendamustine.
Patients who received obinutuzumab had significantly better progression-free survival than patients who received rituximab. The 3-year progression-free survival rate was 73.3% in the rituximab arm and 80% in the obinutuzumab arm (hazard ratio [HR]=0.66, P=0.0012).
There was no significant difference between the treatment arms with regard to overall survival. The 3-year overall survival was 92.1% in the rituximab arm and 94% in the obinutuzumab arm (HR=0.75, P=0.21).
The overall incidence of adverse events (AEs) was 98.3% in the rituximab arm and 99.5% in the obinutuzumab arm. The incidence of serious AEs was 39.9% and 46.1%, respectively.
The incidence of grade 3 or higher AEs was higher among patients who received obinutuzumab.
Grade 3 or higher AEs occurring in at least 5% of patients in either arm (rituximab and obinutuzumab, respectively) included neutropenia (67.8% and 74.6%), leukopenia (37.9% and 43.9%), febrile neutropenia (4.9% and 6.9%), infections and infestations (3.7% and 6.7%), and thrombocytopenia (2.7% and 6.1%).
The European Commission (EC) has expanded the marketing authorization for obinutuzumab (Gazyvaro).
The drug is now approved for use in combination with chemotherapy to treat patients with previously untreated, advanced follicular lymphoma (FL). Patients who respond to this treatment can then receive obinutuzumab maintenance.
This is the third EC approval for obinutuzumab.
The drug was first approved by the EC in 2014 to be used in combination with chlorambucil to treat patients with previously untreated chronic lymphocytic leukemia and comorbidities that make them unsuitable for full-dose fludarabine-based therapy.
In 2016, the EC approved obinutuzumab in combination with bendamustine, followed by obinutuzumab maintenance, in FL patients who did not respond to, or who progressed during or up to 6 months after, treatment with rituximab or a rituximab-containing regimen.
The EC’s latest approval of obinutuzumab is based on results of the phase 3 GALLIUM trial, which were presented at the 2016 ASH Annual Meeting.
The study enrolled 1401 patients with previously untreated, indolent non-Hodgkin lymphoma, including 1202 with FL.
Half of the FL patients (n=601) were randomized to receive obinutuzumab plus chemotherapy (followed by obinutuzumab maintenance for up to 2 years), and half were randomized to rituximab plus chemotherapy (followed by rituximab maintenance for up to 2 years).
The different chemotherapies used were CHOP (cyclophosphamide, doxorubicin, vincristine, and prednisolone), CVP (cyclophosphamide, vincristine, and prednisolone), and bendamustine.
Patients who received obinutuzumab had significantly better progression-free survival than patients who received rituximab. The 3-year progression-free survival rate was 73.3% in the rituximab arm and 80% in the obinutuzumab arm (hazard ratio [HR]=0.66, P=0.0012).
There was no significant difference between the treatment arms with regard to overall survival. The 3-year overall survival was 92.1% in the rituximab arm and 94% in the obinutuzumab arm (HR=0.75, P=0.21).
The overall incidence of adverse events (AEs) was 98.3% in the rituximab arm and 99.5% in the obinutuzumab arm. The incidence of serious AEs was 39.9% and 46.1%, respectively.
The incidence of grade 3 or higher AEs was higher among patients who received obinutuzumab.
Grade 3 or higher AEs occurring in at least 5% of patients in either arm (rituximab and obinutuzumab, respectively) included neutropenia (67.8% and 74.6%), leukopenia (37.9% and 43.9%), febrile neutropenia (4.9% and 6.9%), infections and infestations (3.7% and 6.7%), and thrombocytopenia (2.7% and 6.1%).