The Effects of Hachimi-jio-gan on Chronic Asthma. The Second Report / 日本東洋医学雑誌

ABSTRACT

The authors investigated the clinical effects of Hachimi-jio-gan in the form of handmade pills containing the steamed root of Rehmaniae Radix. There were 11 subjects involved in the study (eight women and three men), with a patient age of 56.7±11.1 (mean±S. D.) years old. All of the subjects suffered from chronic asthma, and their attacks had begun in adulthood. The patients were classified into three grades of severity mild—one patient; moderate—two patients; and severe—eight patients. Ten of the patients received this medication for eight to twelve weeks, but one patient discontinued administration due to epigastrial discomfort.<br>The clinical efficacy of this agent was judged by changes in asthmatic attacks. Treatment scores in seven patients improved, two were unchanged and one worsened. Of seven patients taking oral steroids in conjunction with the Hachimi-jio-gan, two were able to decrease the dosage and two were able to discontinue the oral steroids, The peak expiratory flow rates in improved patients increased about 20% compared to the preadministration rates.<br>The authors considered that this Kampo formula may act to increase the anti-inflammatory action of corticosteroids or theophylline, because the bronchial dilatory effect was remarkable when it was administered in conjunction with these drugs, but less pronounced when used alone. This study suggest that wider application of this Kampo formula in patients with chronic asthma may improve respiratory function.