Abstract

To evaluate the effect of Chinese phytotherapyto reduce stress levels, anxiety and improve quality of life. double-blind randomized controlled trial with 89 volunteers divided into three groups: control (no intervention), Placebo and Phytotherapy. The study was conducted in 2015 with healthy adults treated at the Integrated and Eastern Therapy Institute,in Sao Paulo, Brazil. Participants were evaluated at baseline and after three weeks with the Stress Symptoms List (SSL), Anxiety Inventory-Trait and State and SF12v2 for quality of life. Intervention groups received a placebo or Gan May Zao formula (GMDZ)flaskwith 50 ml. According to ANOVA, there were significant differences (p = 0.025) after treatment of stress (SSL2). And the difference was between control and Phytotherapy groups, according to the Tukey post hoc (p = 0.022). There were no differences in the levels of state-anxiety and physical and mental domains in the SF12v2. The GMDZ formula reduced stress levels, but more studies are needed with greater sample, with reassessment of dosage and a longer period of treatment to confirm and extend the results. Brazilian Registry of Clinical Trials: RBR-28s4hz. Avaliar o efeito da fitoterapia chinesa na redução de níveis de estresse, ansiedade e melhoria de qualidade de vida. Ensaio clínico randomizado duplo-cego, com 89 voluntários divididos em três grupos: Controle (sem intervenção), Placebo e Fitoterapia. Foi realizado em 2015, com adultos saudáveis atendidos no Instituto de Terapia Integrada e Oriental, São Paulo. Foram avaliados no baseline e, após 3 semanas,pela Lista de Sintomas de Stress (LSS), Inventário de Ansiedade-Traço e Estado e o SF12v2 de qualidade de vida. Os grupos de intervenção receberam um frasco de 50 ml de placebo ou da fórmula Gan Mai Da Zao (GMDZ). Segundo ANOVA, houve diferença (p=0,025) no pós-tratamento de estresse (LSS2). E a diferença foi entre os grupos Controle e Fitoterapia, de acordo com o post hocde Tukey (p=0,022). Não houve diferenças nos níveis de ansiedade-estado e domínio físico e mental do SF12v2. A fórmula GMDZ reduziu os níveis de estresse, mas são necessários mais estudos com amostra significativa, com reavaliação da posologia e um período maior de tratamento para confirmar e ampliar os resultados. Registro Brasileiro de Ensaios Clínicos: RBR-28s4hz.

Highlights

  • Stress is present in the daily lives of people in at least 90% of the population(1) and it is known that continuous stress can cause numerous pathophysiological effects on physical and mental health and can lead to disorders such as depression and anxiety(2)

  • We offered the opportunity to receive Chinese Phytotherapy after the conclusion of the research to the participants in the control and placebo groups

  • Two (2.8%) participants were on psychological therapy during the period of investigation

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Summary

Introduction

Stress is present in the daily lives of people in at least 90% of the population(1) and it is known that continuous stress can cause numerous pathophysiological effects on physical and mental health and can lead to disorders such as depression and anxiety(2). The development of research on safety and efficacy of the techniques for incorporation of products, professional and therapeutic in public health systems of different countries was emphasized as critical(4). In this sense, the use of phythotherapy has been suggested in the treatment of most different conditions and diseases for millennia in China(5), but the assessment of the effects and mechanisms of action need to be further studied and recognized. The safety and efficacy of such practices and quality control have become important concerns. The preparations of Chinese formulas have followed the standard of Good Practice in Chinese Medicine(6)

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