This means a cannabis based product used to relieve symptoms.
THC is a psychoactive substance that can create a ‘high’ feeling. It can affect how your brain works, changing your mood and how you feel.
We need more research to know if cannabis or the chemicals in it can treat cancer.
Cannabis is a plant. It is known by many names including marijuana, weed, hemp, grass, pot, dope, ganja and hash.
The plant produces a resin that contains a number of substances or chemicals. These are called cannabinoids. Cannabinoids can have medicinal effects on the body.
The main cannabinoids are:
There is currently 1 CBD treatment approved by the U.S. Food and Drug Administration (FDA) called Epidiolex, which is used to treat a rare and severe form of epilepsy in children. There are not currently any FDA-approved CBD medications for treating cancer or side effects of cancer treatments.
Yet there’s very little research around CBD and its use in treating people with cancer. Here’s what to know about what CBD is and what science currently shows about whether it’s safe and effective for people with cancer to use.
What is CBD?
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.
Cannabidiol, also known as CBD, is one of many chemicals found in the cannabis plant. It has been touted in some online forums as an alternative treatment, and even a cure, for many illnesses, including cancer. And, some people with cancer say that CBD has helped them as a complementary therapy in managing their symptoms and side effects from standard cancer treatment.
CBD is 1 of the hundreds of chemicals found in the flowering cannabis plant. CBD does not have the psychoactive, or mind-altering, effects of another chemical found in cannabis called tetrahydrocannabinol (THC). THC is the chemical that causes people to experience a “high.” CBD, on the other hand, is being used by some to help ease pain, anxiety, and sleep issues.
Dr. Raghunathan: While legalization and regulation may change the accessibility and/or quality of all cannabis products, it doesn’t change the lack of scientific evidence. Unfortunately, we still don’t know enough about the benefits of these products for people with cancer. There is a lot of research happening in Canada and Australia because regulations around its use there have changed. It will be interesting to see what comes out of that. In the meantime, you and your doctor should discuss the potential benefits and harms of using anything with cannabis for medical purposes.
New York State is the latest to legalize the recreational use of marijuana for adults.
What about medical marijuana? How is it different from recreational marijuana and how can patients get it?
Dr. Hou: When CBD is taken by mouth, some amount is absorbed and becomes available in the blood. There are cannabinoid receptors throughout the human body, and when CBD binds to them, that can trigger biological effects. But the downstream effects are still unclear because currently, there are very few human data. Other edible products containing CBD are likely absorbed and metabolized in a similar manner. There is, however, limited absorption through the skin with topical CBD oil.
You and your MSK care team should make a joint decision on using cannabis.
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).