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benefits of cbd oil for cancer

There are 2 synthetic cannabis medications, nabilone (Cesamet) and dronabinol (Marinol or Syndros), that are FDA-approved to treat nausea and vomiting related to chemotherapy. These medications are made in a laboratory.

You may also be wondering if CBD is legal in your area. Some states allow the sale and possession of cannabis, including CBD and THC, for medical and recreational use. Others have stricter regulations, so state-by-state laws should always be learned before transporting CBD across state lines. Things are more complicated at the federal level. In 2018, the U.S. government recognized that hemp can be grown and manufactured legally as part of the Farm Act. Hemp can be used to make things like rope and clothing, in addition to CBD oil. In other words, hemp is no longer a controlled substance, which means it is not regulated by the government. This means that consumers have to evaluate the safety and quality of CBD products on their own. Some CBD, for example, may have much higher levels of THC than what is labeled.

CBD comes from cannabis plants called hemp that are specifically grown with high levels of CBD and low levels of THC. Cannabis plants grown with high levels of THC are usually called marijuana. CBD comes from oil that is extracted from the cannabis plant. That oil can then be ingested as a liquid, a capsule, a gummy, or inhaled through vaping. It can also be added as an ingredient in such products as lotions and skin patches.

Can CBD help people with cancer?

You may find stories online of people discussing the benefits of CBD as a cancer treatment or as relief for side effects. Please remember that such personal stories, while they may be well-meaning, are shared without scientific study and do not constitute evidence. The safety and efficacy of CBD for people with cancer still has to be proven in large, randomized, controlled clinical trials.

There have been some studies that show that CBD, alone or together with THC, may relieve pain, insomnia, or anxiety, but these studies were not specific to people with cancer. While no studies to date have shown that CBD eases these side effects specifically in people with cancer or people receiving cancer treatment, some people with cancer have reported benefits in taking CBD, such as helping with nausea, vomiting, depression, and other side effects. According to ASCO guidelines, your doctor may consider prescribing cannabinoids for chronic pain management if you live in a state where it is legal. However, ASCO guidelines state that there is not enough evidence to support the use of cannabinoids for preventing nausea and vomiting in people with cancer receiving radiation therapy or chemotherapy.

There is much about CBD that is still unknown. It has largely gone unstudied because, until 2018, it was considered a schedule I drug by the U.S. Drug Enforcement Administration (DEA). A schedule I drug is a drug that has been declared illegal by the DEA because of safety concerns over its potential for abuse and because there is no accepted medical use for it. Then, in September 2018, the DEA updated CBD’s status to become a schedule V drug. Schedule V drugs have a lower potential for abuse and are deemed to have some medical use.

It is also important to note that some studies have shown that CBD might interfere with how your body processes cancer drugs, called a drug interaction. This might make cancer treatments more toxic or make them less effective. More research is needed on these effects, too. For these reasons, always tell your oncologist if you’re thinking about using CBD before you take it.

Dr. Hou: We need more research to assess the safety and effects of CBD. And we need to take a closer look at potential herb-drug interactions, which is especially important for people receiving chemotherapy.

Dr. Raghunathan: Medical marijuana contains THC and that requires certification in states that allow for medical marijuana. In New York, people with cancer are allowed to use medical marijuana in the form of capsules, liquids, oils, powder, and patches for the skin. There is medical cannabis that can be vaped, but not medical-grade marijuana leaf that can be smoked. Medical marijuana providers must be registered with the New York State Department of Health’s Medical Marijuana Program. The restrictions in New York state are changing, but we don’t know how just yet.

Dr. Raghunathan: How CBD works is not fully understood, but it seems to work through a variety of pathways in the body that have different effects. For example, it seems to have an anti-inflammatory effect, which is helpful with pain. It also works on serotonin receptors, which helps with anxiety. Because CBD works in many ways, people should discuss it with a doctor. It is important to understand both the possible benefits and risks.

What do we know about how CBD works?

Cannabis, also known as marijuana, is used to treat some symptoms related to cancer. It’s made from the flowers, leaves, and resin (sticky chemical) of the Cannabis sativa plant.

You and your MSK care team should make a joint decision on using cannabis.

Dr. Raghunathan: The new law allows New Yorkers 21 and over to have up to three ounces of marijuana for recreational use. Using and selling marijuana are both legal, except in schools, workplaces, or in cars. The law also allows New Yorkers up to 24 grams of concentrated cannabis products, including products containing CBD, which is one of many chemicals extracted from the cannabis plant. CBD is different from delta-9-tetrahydrocannabinol, also known as THC, which is another chemical extracted from the cannabis plant.

We asked Nirupa Raghunathan, an integrative medicine doctor at Memorial Sloan Kettering, and pharmacist Jason Hou, who manages MSK’s About Herbs database, to share what people with cancer should know before trying marijuana or its cousin, cannabidiol (CBD).