Background
HMG-CoA reductase inhibitors (statins) are generally well-tolerated, with statin-associated muscle symptoms (SAMS) the most common side effect (~10%) of statin users. However, studies and clinical observations indicate that many of the self-reported SAMS appear to be non-specific (i.e., not attributable to statins).
Objective
Mental health and wellbeing influences self-perception of pain, so we sought to assess the effect of baseline wellbeing and depression on the development of muscle pain with 6 mo of atorvastatin 80mg/d (ATORVA) or placebo in healthy, statin-naïve adults
Methods
The Psychological General Well-Being Index (PGWB; n=83) and Beck Depression Inventory (BDI; n=55) questionnaires were administered at baseline in participants (aged 59.5±1.2yr) from the STOMP trial (#NCT00609063). Muscle pain (Short-Form McGill Pain Questionnaire [SF-MPG]), pain that interferes with daily life (Brief Pain Inventory [BPI]), and pain severity (BPI) were then measured before, throughout, and after treatment.
Results
At baseline, there were no differences in wellbeing (PGWB), depression (BDI), or pain measures (SF-MPG and BPI) (ps≥0.05) between placebo and ATORVA groups. Baseline wellbeing correlated with baseline BPI pain severity (r=−0.290, p=0.008). Baseline depression correlated with baseline pain (SF-MPG; r=0.314, p=0.020). Baseline wellbeing and depression did not predict the change in pain severity or interference after 6 mo among the total sample or between groups (ps≥0.05).
Conclusion
Baseline wellbeing and depression were not significant predictors of pain after 6 mo of ATORVA (ps≥0.05). Thus, they do not appear to increase the risk of SAMS in otherwise healthy adults.