Teva Announces FDA Grants Approval for Tbo-filgrastim for the Treatment of Chemotherapy-Induced Neutropenia
Teva Pharmaceutical Industries Ltd. announced that the U.S. Food and Drug Administration (FDA) has granted approval for tbo-filgrastim (XM02 filgrastim), the first new granulocyte colony-stimulating factor (G-CSF) to be approved in the United States in more than 10 years. Tbo-filgrastim is a short-acting recombinant form of G-CSF, indicated to reduce the duration of severe neutropenia in patients with certain types of cancer (non-myeloid malignancies) who are receiving chemotherapy that affects the bone marrow. Neutropenia is a condition in which the number of white blood cells is decreased, leaving patients more susceptible to potentially life-threatening bacterial infections.
Teva currently markets filgrastim in Europe under the trade name Tevagrastim®, a biosimilar to Neupogen®. Tbo-filgrastim was filed in the U.S. as a Biologics License Application (BLA) since a biosimilar approval pathway had not been established at the time of submission. Teva will market tbo-filgrastim as early as November 2013, in accordance with the settlement reached with Amgen.
In studies of tbo-filgrastim, the drug was shown to have statistically significant reductions in the duration of severe neutropenia compared to placebo. During the first 21-day chemotherapy cycle, patients treated with tbo-filgrastim had severe neutropenia for an average of 1.1 days, compared with 3.8 days for those receiving placebo.
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