نتایج جستجو برای: ranolazine
تعداد نتایج: 610 فیلتر نتایج به سال:
Ranolazine is mainly used to treat patients with chronic stable angina in clinical practice. However, ranolazine does not lower significantly systemic blood pressure. The direct effect of ranolazine on vascular tone remains unknown. In the present study, we investigated the vascular effects and mechanisms of action of ranolazine in isolated rat intrarenal arteries. Rings of intrarenal arteries ...
Myoclonus is not a known side effect of ranolazine. We report a case of myoclonus in a 72-year-old female who underwent cardiac catheterization for angina and was started on ranolazine after the procedure. Two days after ranolazine therapy on 1000 mg per day in divided doses, myoclonus developed, which severely impaired her normal activity. Her symptoms resolved 2 days after discontinuation of ...
PURPOSE The purpose of this study is to investigate Ranolazine action on skeletal muscle differentiation and mitochondrial oxidative phenomena. Ranolazine, an antianginal drug, which acts blocking the late INaL current, was shown to lower hemoglobin A1c in patients with diabetes. In the present study, we hypothesized an action of Ranolazine on skeletal muscle cells regeneration and oxidative pr...
OBJECTIVES To estimate the cost-effectiveness of ranolazine when added to standard-of-care (SoC) antianginals compared with SoC alone in patients with stable coronary disease experiencing ≥3 attacks/week. SETTING An economic model utilising a UK health system perspective, a 1-month cycle-length and a 1-year time horizon. PARTICIPANTS Patients with stable coronary disease experiencing ≥3 att...
We tested the effect of the antianginal agent ranolazine on ventricular arrhythmias in an ischemic model using two protocols. In protocol 1, anesthetized rats received either vehicle or ranolazine (10 mg/kg, iv bolus) and were subjected to 5 min of left coronary artery (LCA) occlusion and 5 min of reperfusion with electrocardiogram and blood pressure monitoring. In protocol 2, rats received eit...
Ranolazine is an approved drug for chronic stable angina that acts by suppressing a noninactivating current conducted by the cardiac sodium channel [persistent sodium ion current (INa)]. Ranolazine has also been shown to inhibit the increased persistent INa carried by NaV1.1 channels encoding epilepsy- and migraine-associated mutations. Here, we investigate the antiepileptic properties of ranol...
Ranolazine is an antianginal agent that targets a number of ion channels in the heart, including cardiac voltage-gated Na(+) channels. However, ranolazine block of muscle and neuronal Na(+) channel isoforms has not been examined. We compared the state- and use-dependent ranolazine block of Na(+) currents carried by muscle Nav1.4, cardiac Nav1.5, and neuronal Nav1.7 isoforms expressed in human e...
Ranolazine modulates the cardiac voltage-gated sodium channel (NaV 1.5) and is approved by the FDA in the treatment of ischemic heart disease. Ranolazine also targets neuronal (NaV 1.7, 1.8) isoforms that are implicated in neuropathic pain. Therefore, we determined the analgesic efficacy of ranolazine in a preclinical animal model of neuropathic pain. Both intraperitoneal and oral administratio...
CONTEXT Ranolazine is a novel antianginal agent that reduces ischemia in patients with chronic angina but has not been studied in patients with acute coronary syndromes (ACS). OBJECTIVE To determine the efficacy and safety of ranolazine during long-term treatment of patients with non-ST-elevation ACS. DESIGN, SETTING, AND PATIENTS A randomized, double-blind, placebo-controlled, multinationa...
The effects of ranolazine, an antianginal drug, on potassium channel Kv4.3 were examined by using the whole-cell patch-clamp technique. Ranolazine inhibited the peak amplitude of Kv4.3 in a reversible, concentration-dependent manner with an IC(50) of 128.31 μM. The activation kinetics were not significantly affected by ranolazine at concentrations up to 100 μM. Applications of 10 and 30 μM rano...
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