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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Ranolazine: a review of its use in chronic stable angina pectoris.

Ranolazine (Ranexa(trade mark)), a piperazine derivative, is a new antianginal agent approved for the treatment of chronic stable angina pectoris for use as combination therapy when angina is not adequately controlled with other antianginal agents. While the exact mechanism of action of ranolazine is not known, its antianginal and anti-ischaemic effects do not appear to depend upon changes in blood pressure or heart rate. An extended-release (ER) oral formulation of ranolazine has been developed to facilitate twice-daily administration whilst maintaining therapeutically effective plasma concentrations. In patients with chronic stable angina, ranolazine ER monotherapy was shown to improve exercise duration at trough plasma drug concentration in a dose-dependent manner compared with placebo. The drug was effective as adjunctive therapy in patients with chronic stable angina whose condition was not controlled adequately with conventional antianginal therapy. In randomised clinical trials, ranolazine ER was well tolerated, with no overt effects on cardiovascular haemodynamics or conduction, apart from a modest increase in corrected QT (QT(c)) interval (but no torsades de pointes). Importantly, the efficacy and tolerability of ranolazine ER were not affected by comorbid conditions, including old age, heart failure (HF) or diabetes mellitus. Comparative trials of ranolazine ER with other antianginal agents and trials examining its effects on long-term morbidity and mortality in patients with ischaemic heart disease are required to determine with greater certainty the place of the drug in current antianginal therapy. Nevertheless, ranolazine ER may well prove to be a useful alternative and adjunct to conventional haemodynamic antianginal therapy in the treatment of chronic stable angina.[1]


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