After Woman’s Tumor Unexpectedly Shrinks, Her Doctors Wonder If CBD Oil Played a Role

    On February 17, 2020 in London, England, a row of CBD oil bottles can be seen on a branch of the Planet Organic healthcare chain.

On February 17, 2020 in London, England, a row of CBD oil bottles can be seen on a branch of the Planet Organic healthcare chain. Photo: Leon Neal (Getty Images)

Doctors in the UK say they have found an unusual case of cancer recovery: a woman in her 80s started having lung cancer without any conventional treatment, after starting taking daily doses of breast cancer. CBD / THC. While it’s not clear if the oil affected his tumor, doctors argue that cannabis and its main ingredients deserve further research as a possible cancer treatment.

The CBD in CBD oil comes from cannabidiol, one of the two main compounds found in cannabis. These products may also include delta-9-tetrahydrocannabinol or THC, the other important compound responsible for the psychoactive effects of cannabis. CBD oil and similar products are found in murky legal market in much of the world. In the U.S., only a medical use of CBD is currently approved, a high-dose version designed to relieve symptoms in people with certain seizure disorders. But cannabis and CBD oil do allowed for sale and use in much of the country, as well as in some other countries such as the United Kingdom.

The patient in this case had experienced a persistent cough for months when she visited a doctor in February 2018. In the summer, imaging tests and a biopsy clearly indicated that she had lung cancer, specifically a non-lung cancer. of small cells. Although she was a smoker and had pre-existing lung problems, doctors considered her case treatable. But after lengthy discussions, the woman chose to reject options such as surgery or radiation therapy. That’s why doctors agreed to simply keep an eye on the growth of their cancer through routinely scheduled imaging tests.

Surprisingly, women’s cancer began to subside without any intervention from doctors. Compared to the first images taken in June 2018, they estimated that the size of the cancer had been reduced by 76% in February 2021. In February 2019, after a year of reduction, doctors spoke with the woman about her results and revealed that she had been ingesting a CBD oil product on the advice of a relative since June 2018, usually at three doses a day. Aside from a decrease in appetite, the woman reported no side effects from her regimen and doctors could not find any other changes in the prescribed medications, diet, or lifestyle (she was advised that he stopped smoking but had continued to do so) at that time.

“This case appears to demonstrate a possible benefit of CBD oil intake that may have caused the observed tumor regression,” the doctors wrote in their report on the case, published Thursday at BMJ Case Reports.

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Some experts outside the UK are, at the moment, skeptical. In a round of comments collected by the Science Media Center, Edzard Ernst, a retired professor of complementary medicine at the University of Exeter, noted that “case reports cannot be considered reliable evidence and there are currently no data from rigorous clinical trials suggesting that alter the natural history of any cancer “.

Lead author Kah Ling Liew, a doctor in the respiratory department at Princess Alexandra Hospital, told Gizmodo that the woman is still alive and is being actively tracked. Since its most recent review this year, it appears that the cancer has not returned and has become so small that they can no longer measure its size through the scans it performs.

Liew and her colleagues note that they cannot be sure that the reduction in a woman’s cancer is caused by her CBD habit. But they say they can’t find another plausible explanation right now either. It is known that they can sometimes experience cancers spontaneous regression, where the tumor suddenly shrinks for no clear reason in the absence of treatment, but Liew said this scenario is unlikely.

“Of course, we cannot confirm the cause of this single case,” he said. “However, spontaneous regression in these cases is extremely rare. The only difference in this case was the ingestion of ‘CBD oil’.

Cannabis is already sometimes used to reduce nausea and other symptoms that result from standard treatments such as chemotherapy and radiation. But, as the team points out, there has been research on the effects of CBD and other cannabinoids on cancer, including some showing which can directly affect the growth and development of tumors. However, they also point out that animal studies have been mixed, with some even suggesting that cannabinoids increase tumor growth. In the medical literature, they managed to find another similar case, in which a person with lung cancer also experienced a reduction in the tumor after CBD oil.

In the current case, according to the product supplier, the woman’s oil has an equal mixture of CBD and THC. But in the other case, it was said that the patient was only taking CBD. Therefore, the authors do not know whether this additional THC could have played a role in a woman’s recovery. Right now, many questions remain in the air: questions that at least need more attention and research, according to the authors.

“CBD / THC deserves further study as a primary form or supplement for cancer treatment, as the treatment itself appears to be minimally invasive,” Liew said. Of course, even if CBD / THC could help treat some people’s cancer, the authors wouldn’t expect it to be a panacea for all cancers in general, given how different an individual’s cancer can be. other. “There won’t be a single treatment that works for any form of cancer,” Liew added.

Regardless of whether or not cannabis does something against cancer beyond the nausea relief it can sometimes provide, the authors also believe that more could be done to communicate with patients about any alternative treatment they may decide. sunbathing.

“Physicians should be aware that their patients may be taking unconventional and unlicensed treatments without the doctor’s knowledge, and it is always important to consider a patient’s options when discussing treatment options. , that is, being open and honest about the potential benefits and side effects of treatments, ”Liew said.

As for the woman herself, it is understandable that she is happy with her recovery.

“I’m ‘on the moon’ with cancer shrinking, which I think was caused by ‘CBD oil.’ I tolerate it very well and I intend to take this treatment indefinitely,” he wrote in a patient accompanying him.

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