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  • Title: Clinical studies of immunomodulatory activities of Yunzhi-Danshen in patients with nasopharyngeal carcinoma.
    Author: Bao YX, Wong CK, Leung SF, Chan AT, Li PW, Wong EL, Leung PC, Fung KP, Yin YB, Lam CW.
    Journal: J Altern Complement Med; 2006 Oct; 12(8):771-6. PubMed ID: 17034283.
    Abstract:
    OBJECTIVES: Nasopharyngeal carcinoma (NPC) is a prevalent tumor in Hong Kong. The immune system of such patients could be adversely affected during the course of conventional chemotherapy or radiotherapy. We investigated the immunomodulatory effects of Traditional Chinese Medicine (TCM) Yunzhi-Danshen capsules in NPC patients treated with radiotherapy. DESIGN: Randomized, double-blind, placebo-controlled 16-week study. SETTING/LOCATION: The Prince of Wales Hospital, the Chinese University of Hong Kong, Hong Kong. SUBJECTS: Twenty-seven (27) patients with histologically proven NPC, at least 18 years of age. METHODS: Twenty-seven patients with histologically proven NPC were recruited to take Yunzhi (3.6 g daily) and Dangshem (1.4 g daily) in the form of 12 combination capsules (TCM group) or placebo (12 capsules) daily for 16 weeks, respectively. Flow cytometry was used to assess the percentages and absolute counts of human lymphocyte subsets in whole blood. Plasma concentration of soluble interleukin-2 receptor and soluble tumor necrosis factor receptor 2 was measured by enzyme-linked immunosorbent assay (ELISA). Ex vivo production of tumor necrosis factor-alpha, interleukin (IL)-6, and IL-10 in the whole blood assay culture supernatant was measured by ELISA. RESULTS: The decreases in percentage and absolute count of T lymphocytes in the TCM group were less than those in the placebo group after they took the capsules for 16 weeks (both p < 0.05). Furthermore, the decreases in absolute count of T suppressor cells plus cytotoxic T lymphocytes, and T helper cells in the TCM group were significantly lower than those in the placebo group after they took the capsules for 16 weeks (both p < 0.05). CONCLUSION: These results suggest that Yunzhi-Danshen can exert an immunomodulating effect in alleviating lymphopenia during radiotherapy in NPC patients.
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