In this article we will explore the topic of Protein-bound paclitaxel from different perspectives, with the aim of analyzing its impact on modern society. From its origin to its influence today, we will take a tour of the most relevant aspects related to Protein-bound paclitaxel. In addition, we will examine the possible implications and consequences that Protein-bound paclitaxel may have in various areas, as well as the future perspectives that this topic raises. Through a detailed and exhaustive analysis, we will try to shed light on Protein-bound paclitaxel and its relevance in the contemporary world.
This scientific article needs additional citations to secondary or tertiary sources. (November 2016) |
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| Paclitaxel | Mitotic inhibitor |
| Albumin | Delivery vehicle |
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| Trade names | Abraxane, others |
| AHFS/Drugs.com | Monograph |
| MedlinePlus | a619008 |
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| Routes of administration | Intravenous |
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Protein-bound paclitaxel, also known as nanoparticle albumin–bound paclitaxel or nab-paclitaxel, is an injectable formulation of paclitaxel used to treat breast cancer, lung cancer and pancreatic cancer, among others. Paclitaxel kills cancer cells by preventing the normal breakdown of microtubules during cell division.[2][3][4][5] In this formulation, paclitaxel is bonded to albumin as a delivery vehicle.[6][5] It is manufactured and sold in the United States by Celgene under the trade name Abraxane where it is designated as an orphan drug as first-line treatment, in combination with gemcitabine, for the orphan disease "metastatic adenocarcinoma of the pancreas".[7]
This treatment was approved in the United States in 2005,[8] and the European Union in 2008, for breast cancer cases where cancer did not respond to other chemotherapy or has relapsed.[9][10] In 2012, the FDA widened the approved uses to include treatment for NSCLC.[3][11] In 2013, the FDA approved protein-bound paclitaxel for use in treating advanced pancreatic cancer as a less toxic (although less effective) alternative to FOLFIRINOX.[4]
Abraxane is registered on the Australian Register of Therapeutic Goods for the treatment of metastatic carcinoma of the breast after failure of anthracycline therapy.[12] Abraxane is also included on the Schedule of the Australian Pharmaceutical Benefits Scheme although[13] the manufacturer was unable to convince the independent Pharmaceutical Benefits Advisory Committee that the drug warranted a higher price than existing comparator drugs.[14] Protein-bound paclitaxel was developed by VivoRx which became Abraxis BioScience as the first in its class of drugs to use the nanoparticle albumin bound (nab) technology platform.[15]
In 2010, Abraxis was acquired by Celgene, which now markets Abraxane.[16] Total revenue from the sales of Abraxane for 2009 were $314.5 million.[17] In 2013, Abraxane was FDA approved for the treatment of pancreatic cancer.[18] In 2014, Abraxane's sales were $848 million, 31 percent year-over-year increase.[19] In 2019 Bristol Meyers Squibb acquired Celgene for $74 billion dollars, and thus acquired Abraxis Bioscience and the rights to manufacture and market Abraxane.[20]
The UK's National Institute for Health and Care Excellence (NICE) announced in 2015, that it would not support the routine use of protein-bound paclitaxel in advanced pancreatic cancer on the NHS.[21] However, this decision was changed in September 2017.[22] It has continued to be reimbursed in England since then, despite questionable real world effectiveness.[23]