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Algeta Release: Net Sales of Xofigo (radium Ra 223 dichloride) Injection for Third Quarter 2013
10/31/2013 12:54:27 PM
Oslo, Norway, 31 October 2013 - Algeta ASA (OSE: ALGETA) announces that Bayer, in its third quarter 2013 results presented today, disclosed that US net sales for Xofigo during the period amounted to EUR 12m (USD 17m).
As previously announced, Algeta will report third quarter 2013 results on Wednesday, 6 November 2013. A presentation by members of Algeta's executive management team to investors, analysts and the press will take place in Oslo at 10:00 CET. Algeta will also host an international conference call at 14:30 CET/08:30 Eastern Time.
In September 2009, Algeta signed an agreement with Bayer for the development and commercialization of Xofigo. Under the terms of the agreement, Bayer will develop, apply for health authority approvals worldwide and commercialize Xofigo globally. Algeta is eligible for royalties and milestones based on Bayer’s sales of Xofigo outside the US, and Algeta US, LLC is co-promoting Xofigo with Bayer in the US.
About Xofigo® (radium Ra 223 dichloride)
Xofigo is approved in the United States and is indicated for the treatment of patients with castration-resistant prostate cancer, symptomatic bone metastases and no known visceral metastatic disease.
Radium Ra 223 dichloride (radium 223) is currently not approved by the European Medicines Agency (EMA) or other authorities outside the US. Bayer submitted a Marketing Authorisation Application to the EMA for radium 223 in December 2012.
Xofigo is an alpha particle-emitting radioactive therapeutic agent with an anti-tumor effect on bone metastases. The active ingredient in Xofigo is the alpha particle-emitting isotope radium-223, which mimics calcium and forms complexes with the bone mineral hydroxyapatite at areas of increased bone turnover, such as bone metastases. The high linear energy transfer of radium-223 may cause double-strand DNA breaks in adjacent cells, resulting in an anti-tumor effect on bone metastases. The alpha particle range from radium-223 is less than 100 micrometers which may limit the damage to the surrounding normal tissue[i].
Important Safety Information for Xofigo (radium Ra 223 dichloride) in the US
Xofigo is contraindicated in women who are or may become pregnant. Xofigo can cause fetal harm when administered to a pregnant woman.
In the randomized trial, 2% of patients in the Xofigo arm experienced bone marrow failure or ongoing pancytopenia, compared to no patients treated with placebo. There were two deaths due to bone marrow failure. For 7 of 13 patients treated with Xofigo bone marrow failure was ongoing at the time of death. Among the 13 patients who experienced bone marrow failure, 54% required blood transfusions. Four percent (4%) of patients in the Xofigo arm and 2% in the placebo arm permanently discontinued therapy due to bone marrow suppression. In the randomized trial, deaths related to vascular hemorrhage in association with myelosuppression were observed in 1% of Xofigo-treated patients compared to 0.3% of patients treated with placebo. The incidence of infection-related deaths (2%), serious infections (10%), and febrile neutropenia (less than 1%) was similar for patients treated with Xofigo and placebo. Myelosuppression – notably thrombocytopenia, neutropenia, pancytopenia, and leukopenia – has been reported in patients treated with Xofigo.
Monitor patients with evidence of compromised bone marrow reserve closely and provide supportive care measures when clinically indicated. Discontinue Xofigo in patients who experience life-threatening complications despite supportive care for bone marrow failure.
Monitor blood counts at baseline and prior to every dose of Xofigo. Prior to first administering Xofigo, the absolute neutrophil count (ANC) should be greater than to equal to 1.5 × 109/L, the platelet count greater than or equal to 100 × 109/L, and hemoglobin greater than or equal to 10 g/dL. Prior to subsequent administrations, the ANC should be greater than or equal to 1 × 109/L and the platelet count greater than or equal to 50 × 109/L. Discontinue Xofigo if hematologic values do not recover within 6 to 8 weeks after the last administration despite receiving supportive care.
Safety and efficacy of concomitant chemotherapy with Xofigo have not been established. Outside of a clinical trial, concomitant use of Xofigo in patients on chemotherapy is not recommended due to the potential for additive myelosuppression. If chemotherapy, other systemic radioisotopes, or hemibody external radiotherapy are administered during the treatment period, Xofigo should be discontinued.
Xofigo should be received, used, and administered only by authorized persons in designated clinical settings. The administration of Xofigo is associated with potential risks to other persons from radiation or contamination from spills of bodily fluids such as urine, feces, or vomit. Therefore, radiation protection precautions must be taken in accordance with national and local regulations.
The most common adverse reactions (greater than or equal to 10%) in the Xofigo arm vs. the placebo arm, respectively, were nausea (36% vs 35%) diarrhea (25% vs 15%), vomiting (19% vs 14%), and peripheral edema (13% vs 10%). Grade 3 and 4 adverse events were reported in 57% of Xofigo-treated patients and 63% of placebo-treated patients. The most common hematologic laboratory abnormalities in the Xofigo arm (greater than or equal to 10%) vs the placebo arm, respectively, were anemia (93% vs 88%), lymphocytopenia (72% vs.53%), leukopenia (35% vs. 10%), thrombocytopenia (31% vs. 22%), and neutropenia (18% vs. 5%).
For full US prescribing information visit:
Xofigo® is a registered trademark of Bayer AG
Algeta is a company focused on developing, manufacturing and marketing novel targeted therapies for patients with cancer. The Company is headquartered in Oslo, Norway, and has a US subsidiary, Algeta US, LLC, based in Cambridge, MA performing commercial marketing operations in the US. Algeta is listed on the Oslo Stock Exchange (Ticker: ALGETA). For more information please visit www.algeta.com.
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