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Fabry Disease (FD) is a rare X-linked lysosomal storage disorder (LSD) caused by mutations in the GLA gene which translates into decreased activity or lack of function of the enzyme alpha-galactosidase A (α-GAL A) and accumulation of the enzymes substrate, i.e., Gb3, throughout the body. Cardiovascular and renal complications are among the leading causes of death in FD patients. RVX000222 is a BET inhibitor which modulates the expression of a variety of genes and, due to its effects on pathways downstream of substrate accumulation and reduction of major cardiac events, holds promise as a potential add-on therapy to accompany enzyme replacement therapy (ERT) in FD patients.
Full description
Fabry Disease (FD) is a rare X-linked lysosomal storage disorder (LSD) caused by mutations in the GLA gene coding for the enzyme alpha-galactosidase A (α-GAL A). As a consequence globotriaosylceramide (Gb3), the enzyme's substrate, is not metabolized efficiently. The result is progressive accumulation of Gb3 and related glycosphinglolipids, particularly in blood vessels of the skin, kidney, heart and brain, causing severe complications such as cardiomyopathy, left ventricular hypertrophy and other cardiovascular related issues, as well as renal failure and end stage renal disease, ischemic stroke and peripheral neuropathy.
RVX000222 is a BET inhibitor which modulates the expression of a variety of genes; in a number of Phase 1 and 2 clinical trials RVX000222 significantly affected markers of cardiovascular disease (CVD), such as high-sensitivity C-reactive protein (hs-CRP), alkaline phosphatase, components of the complement and coagulation cascades, and markers of reverse cholesterol transport in patients with CVD. Due to its beneficial effects on several pathways downstream of Gb3 accumulation and MACE reduction, RVX000222 holds promise as a potential add-on therapy to accompany enzyme replacement therapy (ERT) in FD patients. In addition to regulating disease related pathways, RVX000222 treatment significantly affects putative markers associated with FD such as Afamin and intercellular and vascular adhesion molecules in cell cultures.
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Inclusion criteria
Subjects who meet the following criteria may be enrolled:
Provide written informed consent before participation in the study.
Aged between 18 and 75 years, inclusive.
Diagnosis of Fabry disease, either
Female subjects must meet one of the following:
If of childbearing potential, must have a negative urine pregnancy test and must also be willing to practice total abstinence or to use an approved (non-hormonal) form of birth-control throughout the study treatment phase and up to 28 days after the last study drug dose.
-OR-
Meet at least one of the following criteria:
Male subjects who have not had a vasectomy must practice abstinence or use an approved method of birth control, including barrier contraception, throughout the study treatment phase and up to 3 months after the last study drug dose.
Exclusion criteria
Subjects who meet any of the following criteria will not be enrolled:
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Sr. Director Clinical Operations
Data sourced from clinicaltrials.gov
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