Laser Acupuncture for Relieving Nausea and Vomiting in Pediatric Patients Undergoing Chemotherapy: A Single-Blind Randomized Clinical Trial.

Nausea and vomiting are frequent side effects associated with chemotherapy treatments. The aim of this study was to evaluate the efficacy of laser acupuncture in relieving nausea and vomiting in children and adolescents undergoing laser treatment. This is an experimental, randomized, single-blind study. The research was carried out at the INCA (Instituto Nacional de Câncer), a reference institution in the control and treatment of cancer, located in the city of Rio de Janeiro, Brazil. The research project was approved by the INCA Research and Ethics Committee under Registration No. 164/14 and CAAE 3374551.0.3001.5274. Children and adolescents between the ages of 6 and 17 years who were undergoing chemotherapy with drugs of high and medium degrees of emetogenic toxicity were selected. The participants were divided into two groups, A and B. In A, the active acupuncture was applied, and in B, the placebo acupuncture was applied. Analysis of the data indicated that there was significant relief from nausea in the intervention group when compared with the placebo group. A decrease in the number of episodes of vomiting on the second and third days of chemotherapy was also observed. On Days 1, 4, and 5, there was no significant difference in the number of episodes of vomiting in the intervention group as compared with the placebo group. The study concluded that laser acupuncture was effective in relieving nausea within 5 days of chemotherapy and in reducing the number of episodes of vomiting on Days 2 and 3 after chemotherapy.