Abstract
Context
Clinical trials have demonstrated the efficacy and safety of the capsaicin 8% patch in patients with peripheral neuropathic pain (PNP); however, few studies have assessed this treatment in a clinical practice.
Objective
To determine whether treatment and re-treatment with the capsaicin 8% patch reduce PNP intensity in clinical practice.
Methods
Three non-interventional, observational studies were concurrently conducted in Denmark, Norway and Sweden. Patients with probable or definite PNP received one or two treatments with the capsaicin 8% patch according to usual clinical practice. All analyses were performed on combined data.
Results
Overall, 382 and 181 patients received treatment and re-treatment, respectively, with the capsaicin 8% patch. At the group level, a significant reduction in mean level of ‘usual pain’ intensity (Numerical Pain Rating Scale) over the last 24 h’ score was observed from baseline to Weeks 2 through 8 [−1.05 (95% confidence interval: −1.27, 0.82); p < 0.001] with 28% and 31% of patients reporting a ≥30% reduction in pain after first treatment and re-treatment, respectively. Improvements in health-related quality of life (EQ-5D-3L index) and overall health status (Patient Global Impression of Change) were observed early (Week 1) and throughout the treatment periods. Most application site reactions subsided within a week after treatment. Following treatment and re-treatment, 57% and 71% of patients, respectively, were willing to undergo further treatment with the capsaicin 8% patch.
Conclusion
In Scandinavian clinical practice, capsaicin 8% patch treatment was associated with significant reductions in pain intensity and was well tolerated with over half of patients willing to undergo re-treatment.
from European Journal of Pain http://ift.tt/2rSE6WQ
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