Evidências do uso da Harpagophytum procumbens DC no controle da dor crônica

Abstract

The Harpagophytum procumbens is present in RENAME for the treatment of acute low back pain and osteoarthritis. Thus, this study aims to investigate the tolerance and the efficacy of the plant, and if this is valid in controlling the symptoms of chronic pain. The searches were conducted in the databases Web of Science and Scopus, using the keywords "Harpagophytum procumbens", "devil's claw", "efficacy", "pain". According to the inclusion criteria were found 7 studies and their results suggest that H. procumbens extract is effective and well tolerated by most patients, both in open studies, as in comparative studies with placebo and also drug used in usual treatments (diacerhein and rofecoxib). However, some studies have methodological flaws, which brings the necessity of new studies with better methodological design. Therefore, the obtained results should not be discarded or disregarded, on the other hand, they should be seen as optimistic and promising results.