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Xofigo (radium-223 dichloride) - Biotech, Pharma and Life Science Channel

01:16 EST 24th January 2019 | BioPortfolio

New treatment for castration-resistant prostate cancer (CRPC) patients with bone metastases.

Xofigo shown in a pivotal phase III trial to significantly improve overall survival.

Xofigo® with the active ingredient radium 223 dichloride (radium 223) is an alpha particle-emitting radioactive therapeutic agent with an anti-tumor effect on bone metastases. Radium 223 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 alpha emitters 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.

The US Food and Drug Administration (FDA) has approved Xofigo® (radium-223 dichloride) injection for the treatment of patients with castration-resistant prostate cancer, symptomatic bone metastases and no known visceral metastatic disease. Xofigo is the first alpha particle-emitting radioactive therapeutic agent approved by the FDA, that has demonstrated improvement in overall survival (OS) and delay in time to first symptomatic skeletal event (SSE) compared to placebo, as shown in the pivotal phase III ALSYMPCA trial.

The commercial production of Xofigo is underway, and first doses are expected to be ready for patient treatment within a few weeks. Bayer has worldwide exclusive marketing rights for Xofigo. Algeta US, LLC and Bayer Healthcare will co-promote the product in the US.

Source: http://www.algeta.com/news/

Xofigo® is a registered trademark of Bayer.

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Medical and Biotech [MESH] Definitions

Radium. A radioactive element of the alkaline earth series of metals. It has the atomic symbol Ra, atomic number 88, and atomic weight 226. Radium is the product of the disintegration of uranium and is present in pitchblende and all ores containing uranium. It is used clinically as a source of beta and gamma-rays in radiotherapy, particularly BRACHYTHERAPY.

1,1'-Bis(phenylmethyl)4,4'-bipyridinium dichloride. Oxidation-reduction indicator.

Radon. A naturally radioactive element with atomic symbol Rn, atomic number 86, and atomic weight 222. It is a member of the noble gas family and released during the decay of radium and found in soil. There is a link between exposure to radon and lung cancer.

Therapeutic practices which are not currently considered an integral part of conventional allopathic medical practice. They may lack biomedical explanations but as they become better researched some (PHYSICAL THERAPY MODALITIES; DIET; ACUPUNCTURE) become widely accepted whereas others (humors, radium therapy) quietly fade away, yet are important historical footnotes. Therapies are termed as Complementary when used in addition to conventional treatments and as Alternative when used instead of conventional treatment.

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