Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0030305 (pancreatitis)
 16,014 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The familial chylomicronemia syndrome is a genetic disorder characterized by severe hypertriglyceridemia and recurrent pancreatitis due to a deficiency in lipoprotein lipase (LPL). Currently, there are no effective therapies except for extreme restriction in the consumption of dietary fat. Apolipoprotein C-III (APOC3) is known to inhibit LPL, although there is also evidence that APOC3 increases the level of plasma triglycerides through an LPL-independent mechanism. We administered an inhibitor of APOC3 messenger RNA (mRNA), called ISIS 304801, to treat three patients with the familial chylomicronemia syndrome and triglyceride levels ranging from 1406 to 2083 mg per deciliter (15.9 to 23.5 mmol per liter). After 13 weeks of study-drug administration, plasma APOC3 levels were reduced by 71 to 90% and triglyceride levels by 56 to 86%. During the study, all patients had a triglyceride level of less than 500 mg per deciliter (5.7 mmol per liter) with treatment. These data support the role of APOC3 as a key regulator of LPL-independent pathways of triglyceride metabolism.
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PMID:Targeting APOC3 in the familial chylomicronemia syndrome. 2553 98

Familial chylomicronemia syndrome (FCS) is a rare autosomal recessive disorder typically caused by mutations in genes for lipoprotein lipase (LPL), apolipoprotein C-II (Apo-CII), apolipoprotein A-V (Apo-AV), lipase maturation factor 1 (LMF1) and glycosylphosphatidylinositol-anchored high-density lipoprotein-binding protein 1 (GPI-HBP1). FCS is associated with severe morbidity that includes recurrent pancreatitis and other problems. Effective treatment to reliably prevent complications has been unavailable, so there is a quest to identify novel interventions to achieve sustained triglyceride lowering and prevention of pancreatitis. Apolipoprotein C-III (Apo-CIII) interferes with triglyceride clearance by blocking LPL and alternative pathways. Volanesorsen is an experimental antisense oligonucleotide that inhibits translation of Apo-CIII mRNA, thereby substantially lowering plasma levels of Apo-CIII and triglycerides. It is being developed for treatment of patients with FCS and refractory hypertriglyceridemia. Data from a variety of clinical trials have been very encouraging, with documentation of excellent triglyceride-lowering efficacy, but there have been concerns about the risk of drug-related thrombocytopenia and bleeding that contributed to the recent decision by the Food and Drug Administration (FDA) to not approve the drug for clinical use. Clinical trials testing the safety and efficacy of volanesorsen are ongoing, so there is hope that the drug ultimately will be approved and available for treatment of high-risk patients with FCS.
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PMID:Volanesorsen for treatment of patients with familial chylomicronemia syndrome. 3059 91