“Chinese traditional medicine” (TCM) is a cultural catch-all term for a series of practices including herbal medicine, diet, acupuncture, massage and exercise (like tai chi) whose combined history stretches back over four thousand years. Western science acknowledges the benefits of some forms of TCM — acupuncture and Chinese massage techniques, for example — but has taken a far more measured response to others, including herbal medical treatments. Understandably so, as the efficacy of some compounds are dubious at best. For example, consuming powdered rhinoceros horn does little more than drive a species to extinction!
But this is not to say the entire paradigm is without merit: Some of those ancient medications have been found to yield actual benefits. Most famously, the 2016 Noble Prize in Physiology or Medicine was awarded to Tu Youyou for her work in unraveling why the wormwood tree has for centuries played a role in successfully treating fevers. The compound which she discovered from the tree, artemisinin, is now a frontline malarial treatment.
“I was looking for a methodology to reverse the gastrointestinal side-effects caused by chemotherapy, but at the same time would not compromise it,” says Yale University’s Yung-Chi Cheng, Ph.D., whose work has been funded by NFCR dating to 1991. “But I knew it would require multiple chemicals, and I turned to Chinese medicine.”
That search led to a 1,800-year-old TCM formula called Huang Qin Tang, but what modern science calls PHY906. Consisting of a delicate balance of four herbs, Scutellaria baicalensis (the Chinese skullcap), Paeonia lactiflora (the common garden peony), Glycyrrhiza uralensis (Chinese liquorice) and Ziziphus jujuba (jujube), PHY906 alleviates the unpleasant gastrointestinal side effects of chemotherapy for colon, rectal, pancreatic and liver cancer patients. Moreover, Cheng’s research has demonstrated that PHY906 also has its own, solo anti-tumor attributes. PHY906 could become one of the first U.S. Food and Drug Administration-approved oral herbal medicines for anti-cancer treatment.
“This formula was found to be useful for treatment of diarrhea, vomiting, nausea, stomach/intestinal pain and fever” says Cheng. “But it does not compromise chemo. That is important.”
For all the advances in chemotherapy in recent years, it remains a brutal cure. Doctors readily admit that chemo is essentially a type of toxin, and a fine line must be walked between administering enough to poison a patient’s cancer to death without poisoning the patient to death. The side effects include, among others, hair loss, fatigue, anemia and intense gastrointestinal distress. Many chemo patients experience nausea and vomiting to such a degree as to opt out of the therapy altogether. As chemotherapy remains one of the most effective cancer treatments, finding ways to minimize the side effects is crucial.
Cheng explains how PHY906 (also referred to as YIV906) has been put to the test—subject to rigorous scrutiny in Western labs and through peer reviews—not unlike any other experimental drug. While Huang Qin Tang is well known to TCM practitioners, it varied from source to source and user to user. Lacking was the precise methodology and composition demanded by any modern medical establishment; and this presented some unusual hurdles.
Chemically speaking, plants can be very different from night to day, and from season to season, so Cheng and his team have had to rely on, and then refine, harvesting and processing techniques. Proper amounts of each herb, as well as dosage, also have had to be established. While the process has been intense, the end result has been a modern variant of the historic Huang Qin Tang; and four clinical trials are currently being planned. Cheng and his team are also evaluating other TCM herbal compounds that could be part of a new class of drugs.
“I appreciate the support of the NFCR,” Cheng adds. “The approach I took is not conventional. It is not easily received. But as an NFCR-supported scientist, I have the freedom to do what I think is needed.”
And if that means looking back 1,800 years, who is to say where a cancer cure comes from?
- NFCR thanks Dr. Cheng for his Spring 2019 interview
- Capasso, Luigi. (1998). 5300 years ago, the Ice Man used natural laxatives and antibiotics. Retrieved from: https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(05)79939-6/fulltext
- Gwin, Peter. (2019). How ancient remedies are changing modern medicine. Retrieved from: https://www.nationalgeographic.com/magazine/2019/01/ancient-chines-remedies-changing-modern-medicine/
- Kaplan, Matt, et al. (2015). The science behind the myth: Homer’s “Odyssey”. Retrieved from: https://ed.ted.com/lessons/the-science-behind-the-myth-homer-s-odyssey-matt-kaplan
- Lam, Wing, et al. (2015). PHY906(KD018), an adjuvant based on a 1800-year-old Chinese medicine, enhanced the anti-tumor activity of Sorafenib by changing the tumor microenvironment. Retrieved from: https://www.nature.com/articles/srep09384
- National Institutes of Health. (2019). Traditional Chinese Medicine: In Depth. Retrieved from: https://nccih.nih.gov/health/whatiscam/chinesemed.htm
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Starli Brighton saysDecember 19, 2022 at 10:22 pm
How wonderful that you mention that acupuncture alleviates issues from cancer treatment. My grandmother was diagnosed with cancer two weeks ago and I want to find ways to make the process easier for her. I will look for a great acupuncture cancer treatment service in her area.
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