Efficacy and tolerability of antiasthma herbal medicine intervention in adult patients with moderate-severe allergic asthma

Published:August 08, 2005DOI:


      Chinese herbal medicine has a long history of human use. A novel herbal formula, antiasthma herbal medicine intervention (ASHMI), has been shown to be an effective therapy in a murine model of allergic asthma.


      This study was undertaken to compare the efficacy, safety, and immunomodulatory effects of ASHMI treatment in patients with moderate-severe, persistent asthma with prednisone therapy.


      In a double-blind trial, 91 subjects underwent randomization. Forty-five subjects received oral ASHMI capsules and prednisone placebo tablets (ASHMI group) and 46 subjects received oral prednisone tablets and ASHMI placebo capsules (prednisone group) for 4 weeks. Spirometry measurements; symptom scores; side effects; and serum cortisol, cytokine, and IgE levels were evaluated before and after treatment.


      Posttreatment lung function was significantly improved in both groups as shown by increased FEV1 and peak expiratory flow findings (P < .001). The improvement was slightly but significantly greater in the prednisone group (P < .05). Clinical symptom scores, use of β2-bronchodilators, and serum IgE levels were reduced significantly, and to a similar degree in both groups (P < .001). TH2 cytokine levels were significantly reduced in both treated groups (P < .001) and were lower in the prednisone-treated group (P < .05). Serum IFN-γ and cortisol levels were significantly decreased in the prednisone group (P < .001) but significantly increased in the ASHMI group (P < .001). No severe side effects were observed in either group.


      Antiasthma herbal medicine intervention appears to be a safe and effective alternative medicine for treating asthma. In contrast with prednisone, ASHMI had no adverse effect on adrenal function and had a beneficial effect on TH1 and TH2 balance.

      Key words

      Abbreviations used:

      ASHMI (Antiasthma herbal medicine intervention), PEF (Peak expiratory flow), TCM (Traditional Chinese medicine)
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