 Design: Pilot study. Double blind randomized placebo controlled with comparisons between Week 0 Baseline, pre-randomization and Week 12 end of study Outcomes: This pilot study included included cognitive testing, magnetic resonance imaging during the 2-back working memory task, self-report of psychometric and other subjective symptoms, tenderness testing by dolormetry, and pain threshold to assess reproducibility in the placebo-treated subjects, and potential treatment effects in the active study drug subjects. The study and each of the outcomes at weeks 0 and 12 are described in detail in the final published paper and in its extensive supplementary on-line materials Baraniuk JN et al. Glob J Health Sci. 2013 5:69-81. PMID:23618477 PMCID:PMC4209301. 