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Addiction. 2012 Jul;107(7):1297-306. doi: 10.1111/j.1360-0443.2011.03771.x. Epub 2012 Feb 28.

Topiramate for the treatment of methamphetamine addiction: a multi-center placebo-controlled trial.

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  • 1National Institute on Drug Abuse, National Institutes of Health, Bethesda, MD 20892, USA.

Erratum in

  • Addiction. 2012 Sep;107(9):1718. Dosage error in published abstract; MEDLINE/PubMed abstract corrected.



  Topiramate has shown efficacy at facilitating abstinence from alcohol and cocaine abuse. This double-blind, placebo-controlled out-patient trial tested topiramate for treating methamphetamine addiction.


  Participants (n = 140) were randomized to receive topiramate or placebo (13 weeks) in escalating doses from 25 mg/day [DOSAGE ERROR CORRECTED] to the target maintenance of 200 mg/day in weeks 6-12 (tapered in week 13). Medication was combined with weekly brief behavioral compliance enhancement treatment.


  The trial was conducted at eight medical centers in the United States.


  One hundred and forty methamphetamine-dependent adults took part in the trial.


  The primary outcome was abstinence from methamphetamine during weeks 6-12. Secondary outcomes included use reduction versus baseline, as well as psychosocial variables.


  In the intent-to-treat analysis, topiramate did not increase abstinence from methamphetamine during weeks 6-12. For secondary outcomes, topiramate reduced weekly median urine methamphetamine levels and observer-rated severity of dependence scores significantly. Subjects with negative urine before randomization (n = 26) had significantly greater abstinence on topiramate versus placebo during study weeks 6-12. Topiramate was safe and well tolerated.


  Topiramate does not appear to promote abstinence in methamphetamine users but can reduce the amount taken and reduce relapse rates in those who are already abstinent.

© 2011 The Authors, Addiction © 2011 Society for the Study of Addiction.

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