“Not a crazy concept”
Dr. Saxe pointed out that one of the mushrooms in the combo they use — agarikon — was used to treat pulmonary infections 2,300 years ago.
“Hippocrates, the father of western medicine, used mushrooms,” he said. “Penicillin comes from fungi. It’s not a crazy concept. Most people who oppose this or are skeptics — to some extent, it’s a lack of information.”
Dr. Saxe explained that there are receptors on human cells that bind specific mushroom polysaccharides.
“There’s a hand-in-glove fit there,” Dr. Saxe said, and that’s one way mushrooms can modulate immune cell behavior, which could have an effect against SARS-CoV-2.
Daniel Kuritzkes, MD, chief of the division of infectious diseases at Brigham and Women’s Hospital in Boston, who was not part of the study, told this news organization that he wasn’t surprised the FDA approved moving forward with the trials.
“As long as you can demonstrate that there is a rationale for doing the trial and that you have some safety data or a plan to collect safety data, they are fairly liberal about doing early-phase studies. It would be a much different issue, I think, if they were proposing to do a study for actual licensing or approval of a drug,” Dr. Kuritzkes said.
As yet unanswered, he noted, is which component of the mushrooms or herbs is having the effect. It will be a challenge, he said, to know from one batch of the compound to the next that you have the same amount of material and that it’s going to have the same potency among lots.
Another challenge is how the mushrooms and herbs might interact with other therapies, Dr. Kuritzkes said.
He gave the example of St. John’s Wort, which has been problematic in HIV treatment.
“If someone is on certain HIV medicines and they also are taking St. John’s Wort, they basically are causing the liver to eat up the HIV drug and they don’t get adequate levels of the drug,” he said.
Though there are many challenges ahead, Dr. Kuritzkes acknowledged, but added that “this is a great starting point.”
He, too, pointed out that many traditional medicines were discovered from plants.
“The most famous of these is quinine, which came from cinchona bark that was used to treat malaria.” Dr. Kuritzkes said. Digitalis, often used to treat heart failure, comes from the fox glove plant, he added.
He said it’s important to remember that “people shouldn’t be seeking experimental therapies in place of proven therapies, they should be thinking of them in addition to proven therapies.»
A co-author reports an investment in the dietary supplement company Mycomedica Life Sciences, for which he also serves as an unpaid scientific adviser. Another co-author is a medical consultant for Evergreen Herbs and Medical Supplies. Dr. Hopp, Dr. Saxe, and Dr. Wilson have disclosed no relevant financial relationships. Dr. Kuritzkes consults for Merck, Gilead, and GlaxoSmithKline.