A Study of the Efficacy and Safety of Eliglustat Tartrate (Genz-112638) in Type 1 Gaucher Patients

Summary

Gaucher disease is a genetic disease that results in a deficiency of an enzyme acid beta-glucosidase, also known as glucocerebrosidase. This enzyme is needed to digest a substrate (lipid) called glucosylceramide and, to a lesser degree, glucosylsphingosine. In participants with Gaucher disease, the liver, spleen, bone marrow and brain show increases in lipid concentration, specifically in cells derived from the monocyte/macrophage system. Eliglustat tartrate (Genz-112638) is an oral drug that may regulate the Gaucher disease process by decreasing the synthesis of glucosylceramide. The primary objective of this study is to evaluate the efficacy, safety and pharmacokinetics (PK) of eliglustat tartrate, administered as an oral dose of either 50 milligram (mg) twice daily (BID) or 100 mg BID, to men and women with Gaucher disease Type 1 for 52 weeks.

Timeline

Start

2006-06

Primary completion

2009-08

Completion

2015-12

Publications

• Background McEachern KA, Fung J, Komarnitsky S, Siegel CS, Chuang WL, Hutto E, Shayman JA, Grabowski GA, Aerts JM, Cheng SH, Copeland DP, Marshall J. A specific and potent inhibitor of glucosylceramide synthase for substrate inhibition therapy of Gaucher disease. Mol Genet Metab. 2007 Jul;91(3):259-67. doi: 10.1016/j.ymgme.2007.04.001. Epub 2007 May 16.
• Background Peterschmitt MJ, Burke A, Blankstein L, Smith SE, Puga AC, Kramer WG, Harris JA, Mathews D, Bonate PL. Safety, tolerability, and pharmacokinetics of eliglustat tartrate (Genz-112638) after single doses, multiple doses, and food in healthy volunteers. J Clin Pharmacol. 2011 May;51(5):695-705. doi: 10.1177/0091270010372387. Epub 2010 Sep 23.
• Results Lukina E, Watman N, Arreguin EA, Banikazemi M, Dragosky M, Iastrebner M, Rosenbaum H, Phillips M, Pastores GM, Rosenthal DI, Kaper M, Singh T, Puga AC, Bonate PL, Peterschmitt MJ. A phase 2 study of eliglustat tartrate (Genz-112638), an oral substrate reduction therapy for Gaucher disease type 1. Blood. 2010 Aug 12;116(6):893-9. doi: 10.1182/blood-2010-03-273151. Epub 2010 May 3.
• Results Lukina E, Watman N, Arreguin EA, Dragosky M, Iastrebner M, Rosenbaum H, Phillips M, Pastores GM, Kamath RS, Rosenthal DI, Kaper M, Singh T, Puga AC, Peterschmitt MJ. Improvement in hematological, visceral, and skeletal manifestations of Gaucher disease type 1 with oral eliglustat tartrate (Genz-112638) treatment: 2-year results of a phase 2 study. Blood. 2010 Nov 18;116(20):4095-8. doi: 10.1182/blood-2010-06-293902. Epub 2010 Aug 16.
• Results Kamath RS, Lukina E, Watman N, Dragosky M, Pastores GM, Arreguin EA, Rosenbaum H, Zimran A, Aguzzi R, Puga AC, Norfleet AM, Peterschmitt MJ, Rosenthal DI. Skeletal improvement in patients with Gaucher disease type 1: a phase 2 trial of oral eliglustat. Skeletal Radiol. 2014 Oct;43(10):1353-60. doi: 10.1007/s00256-014-1891-9. Epub 2014 May 10.
• Results Lukina E, Watman N, Dragosky M, Pastores GM, Arreguin EA, Rosenbaum H, Zimran A, Angell J, Ross L, Puga AC, Peterschmitt JM. Eliglustat, an investigational oral therapy for Gaucher disease type 1: Phase 2 trial results after 4 years of treatment. Blood Cells Mol Dis. 2014 Dec;53(4):274-6. doi: 10.1016/j.bcmd.2014.04.002. Epub 2014 May 15.
• Peterschmitt MJ, Foster MC, Ji AJ, Zajdel MB, Cox GF. Plasma glucosylsphingosine correlations with baseline disease burden and response to eliglustat in two clinical trials of previously untreated adults with Gaucher disease type 1. Mol Genet Metab. 2023 Mar;138(3):107527. doi: 10.1016/j.ymgme.2023.107527. Epub 2023 Jan 25.

Drugs

Indications