Abstract
Alipogene tiparvovec (Glybera®; AMT-011, AAV1-LPLS447X) is an adeno-associated virus serotype 1-based gene therapy for adult patients with familial lipoprotein lipase (LPL) deficiency (LPLD) and suffering from severe or multiple pancreatitis attacks despite dietary fat restrictions. It is administered as a one-time series of intramuscular injections in the legs. LPLD, a rare autosomal recessive disorder, results in hyperchylomicronaemia and severe hypertriglyceridaemia, which in turn, are associated with an increased risk of clinical complications, the most debilitating of which is recurrent severe and potentially life-threatening pancreatitis. In clinical studies (n = 27 patients), one-time administration of alipogene tiparvovec was associated with significant reductions in plasma triglyceride levels during the 12 or 14 week study period post administration. Although triglyceride levels returned to pre-treatment levels within 16–26 weeks after administration, patients had sustained improvements in postprandial chylomicron metabolism, with sustained expression of functional copies of the LPL S477X gene and of biologically active LPL in skeletal muscle. Moreover, after up to 6 years’ follow-up post administration, there were clinically relevant reductions in the incidence of documented pancreatitis and acute abdominal pain events consistent with pancreatitis. Alipogene tiparvovec was generally well tolerated, with most adverse events being localized, transient, mild to moderate injection-site reactions. This article reviews the pharmacology of alipogene tiparvovec and its efficacy and safety in adults with LPLD.
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Disclosure
The preparation of this review was not supported by any external funding. Lesley Scott is a salaried employee of Adis/Springer. During the peer review process, the manufacturer of the agent under review was offered an opportunity to comment on this article. Changes resulting from comments received were made by the authors on the basis of scientific and editorial merit.
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The manuscript was reviewed by: P. F. Boudes, PFB Consulting, Penington, NJ, USA; H. Büning, Center for Molecular Medicine, Cologne, University of Cologne, Cologne, Germany and Department I of Internal Medicine, German Centre for Infection Research Partner Site Bonn-Cologne, Cologne, Germany; Z. Reiner, Department of Internal Medicine, University Hospital Center Zagreb, Zagreb, Croatia; A. S. Wierzbicki, Department of Metabolic Medicine/Chemical Pathology, Guy’s and St. Thomas’ Hospitals, London, UK.
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Scott, L.J. Alipogene Tiparvovec: A Review of Its Use in Adults with Familial Lipoprotein Lipase Deficiency. Drugs 75, 175–182 (2015). https://doi.org/10.1007/s40265-014-0339-9
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DOI: https://doi.org/10.1007/s40265-014-0339-9