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SG - Role of Ganoderma Supplementation in Cancer Management

by Sandra Goodman PhD(more info)

listed in seminars, originally published in issue 160 - July 2009

Role of Ganoderma Supplementation in Cancer Management

 

Role of Ganoderma Supplementation in Cancer Management

Raymond Y. Chang, Meridian Medical Group at the Institute of East-West Medicine and Department of Medicine, Cornell Medical College

Ganoderma has been used as folk medicine since ancient times and it is a popular health food frequently promoted as a cancer cure. It is now well established from in vitro and animal studies that the polyshaccharide fraction of Ganoderma is largely responsible for its anti-tumour efficacy.

Although there is yet no controlled clinical trials in humans for Ganoderma against cancer to date, the indications for its supplemental use can be indirectly supported with clinical trial data from comparable fungal polysaccharides because of a common final pathway of action mediated via beta-glucan receptor.

Qualities of Ganoderma that help in the treatment of cancer include:
  • It enhances and helps regulate the immune and endocrine system, prevent tumours, improving the circulation and eliminating harmful free radicals.
  • Inhibits DNA synthesis of the cancer cells, destroys the terminal enzyme activity of the tumour cells, promotes macrophages and regulates T and B lymphocytes, thus  restraining the spread of cancer cells.
  • It can also reduce the toxic and side effects and mitigate the pains during chemotherapy and radiotherapy
  • Enhances liver detoxification, thus improving liver function and stimulating the regeneration of liver cells.
  • Helps with cancerous ascites, increases appetite and help relieve the pain of late stage cancer.
  • It is especially effective with kidney diseases.
Based on such indirect data, indications for Ganoderma use in cancer include supplementation
  1. to reduce side-effects during chemotherapy or radiotherapy,
  2. to prolonging survival and minimize metastasis,
  3. to improve quality of life, and
  4. to prevent occurrence or recurrence. In sum, although the cure of any cancer with Ganoderma alone is unlikely, it is probably beneficial under defined circumstances in most cases of malignancy.
Experimental Evidence of Ganodermas Potential in Cancer Treatment

Ikekawa et al. (1968) first reported on the efficacy of soluble extracts from Ganoderma in inhibiting transplanted sarcoma 180 in mice. This host-dependent anti-tumour activity has been subsequently confirmed to be from the polysaccharide fractions of Ganoderma (Sasaki et al., 1971).

Multiple similar studies subsequently confirms this observation and anti-tumour efficacy of Ganoderma has been demonstrated from various species, at different stages of growth and using different solvents for extraction and different routes of administration.

Anti-tumour activity has been demonstrated in vitro as well as in syngeneic tumour systems in animals. However, no human trials of Ganoderma against cancer in peer reviewed journals nor any controlled clinical trials in humans have yet been conducted or published.

Other fungal polysaccharides of comparable structure and function as those found in Ganoderma have undergone rigorous clinical trials, including Lentinan, Sizofilan, PSK (Krestin), PSP. Since it is now increasingly clear that immunostimulatory bioactivity from most beta-glucan based compounds function via a similar beta-glucan receptor (Czop 1985), it has been possible to hypothesize that Ganoderma polysaccharides should function similarly (Chang, 1996).

Results from Lentinan, Sizofilan, PSK and PSP human trials demonstrated the efficacy of these glucan BRMs in prolonging survival in recurrent or advanced gastric and colon cancer, lung cancer and gynecological cancers, Data from such bioactively comparable compounds all suggest improved quality of life or survival for cancer patients may be possible with Ganoderma supplementation.

Indications and Evidence Supporting the Use of Ganoderma Supplementation in Cancer
  1. As a supplement during chemotherapy or radiotherapy to reduce side-effects such as fatigue, loss of appetite, hair loss, bone marrow suppression and risk of infection. The recommended dose should be in the range of five to ten grams of fruiting body or equivalent per day (Chang 1994).
  2. As a supplement for cancer patients to enhance survival and reduce likelihood of metastasis. Specifically, Lentinan use in advanced or recurrent gastric cancer demonstrated a significant life span prolongation advantage at 1, 2, 3 and 4 years in a randomized control trial (Taguchi 1987).
    Sizolan given together with chemotherapy enhanced survival of cervical cancers irrespective of stage in a prospective randomized controlled trial (Inoue et al. 1993), significantly enhanced survival (P.01) in lung cancer patients (Honma 1982) and improved five year survival of head and neck cancer from 73.4 to 86.7% was noted in another small study (Kimura et al. 1994).
    PSK or PSP, which are orally administered. Mitomi et al. (1994) found significantly improved survival and disease-free survival (P=0.013) in resected colorectal cancer given PSK supplementation over three years when compared to control in a multi-center randomized controlled trial.
    In an animal model, Ganoderma has been demonstrated to effectively prevent metastasis (Lee 1984), and these results are comparable to those of Lentinan (Suga 1994). Other glucan BRMs have been demonstrated to effectively prevent or suppress pulmonary metastasis of methylcholanthrene-induced sarcomas, human prostate cancer DU145M, and lymphatic metastasis of mouse leukemia P388 (Kobayashi et al. 1995). The recommended dose should be five to ten grams or more of fruiting body or equivalent per day, with a linear enhancement in efficacy expected up to 30 grams per day (Chang 1994).
  3. As a supplement for cancer patients to improve quality of life. Again, only anecdotal information exists for Ganoderma in this situation but other oral glucan derivatives such as PSP has been found to be useful in improving quality of life in cancer patients (Yao 1993). Significantly, Ganoderma supplementation was noted to decrease pain in cancer patients (Kupin 1994). The recommended dose would be five to ten grams of fruiting body or equivalent per day (Chang 1994).
  4. As a supplement for the prevention of occurrence or recurrence of cancer. Since immune stimulation, especially Natural Killer (NK) and Cytotoxic Lymphocyte (CTL) activation may be effective in the immune prevention of cancer by enhanced immune surveillance (Lotzova 1985), and Ganoderma has been demonstrated to enhance NK and CTL activity when administered orally (Won et al. 1989), it is thus a candidate for prevention of the occurrence or recurrence of cancer. Stavinoha et al. demonstrated the efficacy of Ganoderma in preventing the progression of microadenomatous growths in animals (Stavinoha 1993), and the efficacy of other glucan BRMs in primary and secondary cancer prevention have been similarly demonstrated in vitro, in vivo and in clinical trials.

Conclusion

Although Ganoderma and its derivatives are not pharmaceuticals and have not undergone rigorous clinical trials to be tested against cancer, there is abundant use in vitro, animal and indirect clinical evidence to support its supplemental use in cancer. Standardization in bioactive polysaccharide content and dosages will be necessary to assure its rational use, and clinical trials in select cancers with defined endpoints will confirm its efficacy.

References

- Chang, R. (1994). Effective dose of ganoderma in humans. In Proc. Contributed Symposium 59A, B. 5th Intl. Mycol. Congr., Buchanan PK, Hseu RS and Moncalvo JM (eds), Taipei, p. 101-13.
- Chang, R. (1996). The Central Importance of the beta-glucan receptor as the basis of immunologic bioactivity of ganoderma polysaccharides, In Reishi, Mizuno T, Kim BK (eds), II Yang Press, Seoul, p.177-9
- Chang, R. (1996). Potential application of ganoderma polysaccharides in the immunosurveillance and chemoprevention of cancer. In Mushroom Biology and Mushroom Products, Proceedings of the 2nd International Conference, Royse DJ (ed), Penn State U. Press, University Park, p.153-9
- Czop, J.K., Austen, K.F. (1985). A beta-Glucan inhibit able receptor on human monocytes, J. Immunol. 134, 2588-593.
- Honma, H., Oshima, S., Watanabe, S. et al. (1982). Clinical efficacy of schizophyllan (SPG) in treatment of lung cancers. A Randomized controlled study. Haigan 22: 499-512.
- Ikekawa, T., Nakanishi, M, Uehara, N., et al. (1968). Anti-tumor action of some basidiomycetes, especially Phellinus linteus. Gann. 59* 155-157.
- Inoue, M., Tanaka, Y., Sugita, N., et al. (1993). Improvement of long-term prognosis in patients with ovarian cancers by adjutant sizofilan immunotherapy: a prospective randomized controlled study. Biotherapy. 6(1): 13-8
- Jia, YF., Zhou, XB., Meng, H., and Zhang, LX. Effects of Ling-Zhi on hemopoietic system in mice - immunopharmacological study (11). In The research on ganoderma (part I). Zhu S. and Mori M. (eds). Shanghai Med. U. Press, Shanghai, P. 284-288.
- Kimura, Y., Tojima, H., Fukase, S., Takeda, K. (1994). Clinical evaluation of sizofilan as assistant immunotherapy in treatment of head and neck cancer. Acta Oto-Laryngologica - Suppl. 511:92-5
- Kobayashi, H., Matsunaga, K., Oguchi, Y. (1995) Antimetastatis effects of PSK (Krestin), a protein-bound polysaccharide obtained from basidiomycetes: an overview. Cancer Epidemiology, Biomarkers & Prevention. 4(3): 275-81
- Kupin, V. (1994) A new biological response modifier - ganoderma lucidum - and its application in oncology. In Proceedings from the 6th international symposium on ganoderma lucidum. Seoul, II Yang, p.36-37.
- Lee, SS., Chen, FD., Chang, SC., et al. (1984). In vivo anti-tumor effects of crude extracts from the mycelium of ganoderma lucidum. J. of Chinese Oncology Society 5(3): 22-28.
- Mitomi, T., Tsuchiya, S., Iijima, N., et al. (1992). Randomized control study on adjuvent immunochemotherapy with PSK in curatively resected colorectal cancer. Diseases of the Colon & Rectum. 35(2):123-30.
- Miyamoto, T., Abe, T., Hasunuma, K. (1985). Japan Kokai Tokkyo Koho JP60, 199,80 [85,199.810] (CI. A61K7/06). Appl. 84/5,977. 24 Mar 1984.
- Mizuno, T. (1996), A development on anti tumor polysaccharides from mushroom fungi. FFI Journal, 167:69-85.
- Shi, JH. (1993). PSP for the protection of the tumorous patients during chemotherapy. In 1993 PSP Intl Symposium, Yang QY and Kwok CY (eds.), Fudan U. Press, Shanghai, p.271-2
- Stavinoha, W. (1993). Short term dietary supplementation with ganoderma lucidum slows development and growth of microadenomatous lesions in the colon of rats treated with the carcinogen 1,2 dimethylhydrazine. Presented at the 5th international symposium on ganoderma lucidum, Seoul, Korea on June 17, 1993.
- Suga, T., Shiio, T., Maeda, YY., Chihara, G. (1994). Anti tumor activity of lenytinan in murine syngeneic and autochthonous hosts and its suppressive effect on 3 methylcholanthrene induced carcinogenesis. Cancer Res. 44:5132-7.
- Taguchi, T.(1987). Clinical efficacy of lentinan on patients with stomach cancer: end point results of four-year follow-up survey. Cancer Detection & Prevention. Suppl. 1:333-49.
- Won, SJ., Lee, SS., Ke, YH., Lin, MT. (1989) Enhancement of splenic NK cytotoxic activity by the extracts of ganoderma lucidum mycelium in mice. J Biomed Lab Sci 2*201-213.
- Yang, QY and Wang, MM. (1995). The effect of ganoderma lucidum extract against fatigue and endurance in the absence of oxygen. In Proc. Contributed. Symposium. 59A, B.2. Role of Ganoderma Supplementation in Cancer Management

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www.cancure.org/ganoderma.htm

Comments:

  1. Anita said..

    Useful article! Thanks! :)
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About Sandra Goodman PhD

Sandra Goodman PhD, Co-founder and Editor of Positive Health, trained as a Molecular Biology scientist in Agricultural Biotechnology in Canada and the US. She has focused upon health issues since the 1980s in the UK. Author of 4 books, including Nutrition and Cancer: State-of-the-Art, Vitamin C – The Master Nutrient, Germanium: The Health and Life Enhancer and numerous articles, Dr Goodman was the lead author of the Consensus Document Nutritional and LifeStyle Guidelines for People with Cancer and compiled the Cancer and Nutrition Database for the Bristol Cancer Help Centre in 1993.

 

In publishing in Positive Health PH Online authoritative articles and book reviews by leading proponents of numerous alternative cancer treatment approaches, Dr Goodman has demonstrated her passion about the necessity of making available to all people, particularly those with cancer, considerable clinical expertise in areas of Nutrition and Complementary Therapies. She is a member of the Therapy Advisory Panel of the Penny Brohn Cancer Care, Scientific Expert Committee member of the Alliance for Natural Health and a Patron of the Avalon Complementary Medicine Trust in Wells, Somerset. Nutrition and Cancer.

 

Dr Goodman and Mike Howell, her long-term partner, seek individuals with the resources, structural organization and interest to continue and expand the legacy of Positive Health PH Online forward into the 21st century, adding facilities to conduct online seminars, fund raise for alternative cancer research, as well as to promote leading holistic organizations and businesses internationally. Follow her Blog and purchase Nutrition and Cancer: State-of-the-Art.  Dr S Goodman may be contacted privately for Research, Lectures and Editorial services via: sandra@drsgoodman.com     www.drsgoodman.com  sandra@positivehealth.com   and www.positivehealth.com

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