Abstract:
BACKGROUND:Findings from a small clinical study suggested that statins may counteract the therapeutic effects of interferon beta (IFNbeta) in patients with relapsing-remitting multiple sclerosis (RRMS). METHODS:We conducted a post hoc analysis of data from the Safety and Efficacy of Natalizumab in Combination With IFNbeta-1a in Patients With Relapsing-Remitting Multiple Sclerosis (SENTINEL) study to determine the effects of statins on efficacy of IFNbeta. SENTINEL was a prospective trial of patients with RRMS treated with natalizumab (Tysabri, Biogen Idec, Inc., Cambridge, MA) plus IM IFNbeta-1a (Avonex, Biogen Idec, Inc.) 30 microg compared with placebo plus IM IFNbeta-1a 30 microg. Clinical and MRI outcomes in patients treated with IM IFNbeta-1a only (no-statins group, n = 542) were compared with those of patients taking IM IFNbeta-1a and statins at doses used to treat hyperlipidemia (statins group, n = 40). RESULTS:No significant differences were observed between treatment groups in adjusted annualized relapse rate (p = 0.937), disability progression (p = 0.438), number of gadolinium-enhancing lesions (p = 0.604), or number of new or enlarging T2-hyperintense lesions (p = 0.802) at 2 years. More patients in the statins group reported fatigue, extremity pain, muscle aches, and increases in hepatic transaminases compared with patients in the no-statins group. Statin treatment had no ex vivo or in vitro effect on induction of IFN-stimulated genes. CONCLUSIONS:Statin therapy does not appear to affect clinical effects of IM interferon beta-1a in patients with relapsing-remitting multiple sclerosis or the primary molecular response to interferon beta treatment.
journal_name
Neurologyjournal_title
Neurologyauthors
Rudick RA,Pace A,Rani MR,Hyde R,Panzara M,Appachi S,Shrock J,Maurer SL,Calabresi PA,Confavreux C,Galetta SL,Lublin FD,Radue EW,Ransohoff RMdoi
10.1212/WNL.0b013e3181a92b96subject
Has Abstractpub_date
2009-06-09 00:00:00pages
1989-93issue
23eissn
0028-3878issn
1526-632Xpii
72/23/1989journal_volume
72pub_type
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