P4608BET-inhibition with Apabetalone in Post-ACS Patients with Diabetes: Design and Baseline Characteristics of the BETonMACE trial
Abstract
Diabetes (DM) is associated with increased risk of macro/microvascular disease and cognitive decline. Inflammation and vascular calcification may be contributing factors. Bromodomain and extraterminal (BET) proteins coordinate gene transcription and modify the transcriptional response to hyperglycemia, and inflammation. Apabetalone competitively and selectively inhibits binding between BET proteins and acetyl-lysine marks on histone tails: normalizing transcriptional profiles to physiological levels; reducing in vitro alkaline phosphatase (ALP) transcription and in vivo plasma ALP in a dose-dependent manner. Phase 2 trials with apabetalone show improved renal function in the chronic kidney disease (CKD) subgroups. Furthermore, treatment showed a 55% reduction in CVD events with more pronounced benefit among patients with DM, low HDL-cholesterol (HDL-C) and high sensitivity C-reactive protein (hsCRP).
The double-blind, placebo controlled phase 3 BETonMACE trial is testing the hypothesis that apabetalone 100 mg b.i.d., added to standard care, reduces major adverse cardiovascular events (MACE: CV death, non-fatal myocardial infarction or stroke) in patients with DM, acute coronary syndrome (ACS) within the preceding 7–90 days, low HDL-C (30 mL/min/1.7m2. The trial will continue until at least 250 MACE, providing 80% power to detect a 30% reduction. Secondary endpoints include changes in eGFR in patients with baseline eGFR 30 to <60 mL/min/1.7m2, inflammatory markers, lipids,…
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