Drugdrug interactions with statins: Will pitavastatin overcome the statins Achilles heel?

Alberto Corsini, Richard Ceska

Research output: Contribution to journalArticlepeer-review

Abstract

Background: As the clinical complexity of patients at high cardiovascular risk and with multiple comorbid conditions increases, so does the potential for drugdrug interactions (DDIs). Large retrospective studies in various clinical settings have shown that an unacceptably large proportion of patients are coprescribed a statin with potentially interacting therapies, suggesting that the impact of polypharmacy on the safety profile of statins may be underappreciated. Scope: To assess the evidence for the burden of DDIs and related adverse drug reactions (ADRs) with current statins relative to pitavastatin, a new agent recently approved in the USA and EU. Methods: Structured review of the PubMed and EMBASE databases (to 15 October 2010) for literature on statins in the areas of ADRs, polypharmacy and DDIs; pharmacokinetics, and pitavastatin clinical safety and efficacy. Findings: Patients who are on statin therapy are often receiving multiple medications for comorbid conditions, and so are at increased risk of ADRs, such as myopathy, because of pharmacokinetic interactions at the level of cytochrome P450 (CYP) enzymes and/or organic anion-transporting polypeptides. Pitavastatin has a distinctive metabolic profile that means it is marginally metabolised by CYP enzymes, and is therefore expected to have a low risk of DDIs and related ADRs. A large post-marketing study conducted in more than 20,000 patients in Japan has demonstrated that the rate of DDIs with pitavastatin treatment may compare favourably with that observed with atorvastatin and rosuvastatin. Conclusions: The addition of pitavastatin to the range of available statins provides prescribing physicians with a new treatment option that is expected to have a low risk of DDIs and related ADRs. This, coupled with the demonstrated efficacy of pitavastatin in reducing low-density lipoprotein cholesterol, should help physicians individualise lipid-lowering regimens based on the patient profile and concomitant medications.

Original languageEnglish
Pages (from-to)1551-1562
Number of pages12
JournalCurrent Medical Research and Opinion
Volume27
Issue number8
DOIs
Publication statusPublished - Aug 2011

Keywords

  • Adverse drug reactions
  • Drugdrug interactions
  • Pitavastatin
  • Polypharmacy
  • Statins

ASJC Scopus subject areas

  • Medicine(all)

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