Medical Marijuana and CBD Oil for Mesothelioma
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It is not uncommon for people living with mesothelioma to feel hopeless. Mesothelioma is a rare and aggressive cancer. It often diagnosed late, after it has spread extensively through the body. Mesothelioma is also difficult to treat and there is little chance of a cure or remission. Because prognosis is often poor, many patients are drawn to alternative therapies in hope of better treatment options or to find relief from difficult symptoms.
Medical marijuana is gaining popularity as an alternative treatment for cancer and other chronic diseases. Twenty-eight states, the District of Columbia, and U.S. territories Puerto Rico and Guam have legalized marijuana for medical treatment. While it remains illegal under federal law, widespread use of medical marijuana, and specifically CBD oil, is providing hope for patients where there once was none.
What is Marijuana?
Marijuana comes from the cannabis plant. Although cannabis is native to Asia, it is grown worldwide. Resin from the cannabis plant contains psychoactive compounds called cannabinoids. These compounds act on the central nervous system, affecting consciousness and mood. The cannabis plant has long been used for medicinal, spiritual, and recreational purposes. In the United States, marijuana is a schedule I controlled substance, illegal for use under federal law. However, eight states have legalized marijuana for recreational use, along with the jurisdictions that have legalized it for medical use.
Cannabinoids
Cannabinoids are the compounds contained in marijuana that have medical applications. Although there has been a recent push to legalize the drug, it remains illegal under federal law. Because of these strict federal regulations, medical research into cannabinoids is limited. While these substances could help people with mesothelioma and other types of cancer, getting permission for research is difficult.
Marijuana contains many different cannabinoids. The primary psychoactive cannabinoid is delta-9-tetrahydrocannabinol, or THC. THC is responsible for the drug high, but may also have medical benefits. The primary medical benefits include reducing inflammation, pain, and nausea. Another cannabinoid of interest is cannabidiol, which is used to treat seizures. Cannabidiol may also be helpful in treating anxiety without causing a high. Cannibidiol oil may also have anti-cancer properties and is known to help relieve cancer symptoms as well as symptoms caused by traditional cancer treatments.
Cannabinoid Drugs Available for Cancer Patients
There are two available prescription drugs that were developed based on cannabinoids. Dronabinol contains THC and can be prescribed to treat nausea and vomiting caused by chemotherapy. It can also be given to HIV and AIDS patients to improve appetite and reverse weight loss. Nabilone contains a substance similar to TCH. This drug is used to treat nausea and vomiting from chemotherapy when other drugs have failed.
In Canada and some European countries, Nabiximols (trade name Sativex) has been approved to treat pain in cancer patients. This medication comes in a mouth spray and contains THC and cannabidio. It is currently being researched in the United States and may eventually be approved for pain relief.
Cannabis Cancer Symptoms and Treatment Side Effects
One effective use for cannabis in cancer patients is to reduce the nausea and vomiting triggered by chemotherapy. These side effects are often so severe that they prevent patients from continueing treatment. However, cannabis-related medications are proven to relieve these symptoms, allowing patients to continue potentially life-saving treatments. Tested drugs include Nabilone and Dronabinol. These medications can also help restore appetite and help patients maintain a healthy weight.
For many cancer patients, pain is a debilitating symptom. As the cancer advances and spreads, it often causes severe pain that us difficult to control with conventional medications. Limited studies have been conducted with cancer patients and marijuana use for pain control. One study found that combining cannabinoids with morphine brought relief. In another, cannabinoids used as a mouth spray provided more pain relief for patients that narcotics.
Living with mesothelioma puts patients at risk for emotional distress, including anxiety, depression, and insomnia. However research suggests cannabinoids may reverse these symptoms. Animal studies with cannabidiol show an anti-anxiety effect. In a small human study, inhaled cannabis reduced anxiety in cancer patients and improved mood and overall feelings of well-being.
Cannabis and Antitumor Activity
Research regarding cannabinoids in humans with cancer has been limited. However, studies that investigate how these substances affect cancer cells specifically are even more limited. Still, there is some evidence that compounds in cannabis could do more than treat symptoms. Small studies in laboratories and in animals have found that these substances can kill cancer cells.
One study showed that cannabinoids could slow and stop tumor growth in mice and rats. In another study that used laboratory cell cultures, cannabinoids killed breast cancer cells while having no effect on healthy cells. Another laboratory study with mice found that cannabinoids given with chemotherapy may increase the effectiveness of traditional treatment.
While there are no studies on how cannabis affects tumors and cancer cells in living people, there are many anecdotal stories from people who claim marijuana cured their cancer. Included in these anecdotal stories is a handful of people with mesothelioma. These people claim to have used cannabis oil to achieve remission, living years after a diagnosis.
CBD Oil and Cancer
Cannabidiol (CBD) oil is a non-psychoactive marijuana product. CBD is just one of many cannabinoid compounds found naturally in marijuana. However, unlike THC, CBD does not cause a high. Because of this, CBD is a prime candidate for medical applications. As an oil, CBD is easily consumed and is currently used for a variety of health conditions, although there is no direct evidence of its efficacy.
No studies have specifically investigated CBD oil for mesothelioma patients. However, there is evidence it could have anti-tumor properties. In animal studies, CBD has slowed the growth of glioblastoma, breast cancer, lung cancer, colon cancer, and prostate cancer.
A study from the UK, where CBD extracts were administered to mice with pancreatic cancer, produced longer life expediencies. This type of study is exciting for patients with difficult cancers like mesothelioma. Although this evidence comes from laboratory animals, there is hope it could apply to humans. If so, CBD oil could be a useful tool for increasing life expectancy for aggressive cancers.
CBD oil is known to provide relief from cancer and cancer treatment symptoms. Several symptoms can be managed with CBD, even in comparison with THC. In one study, researchers compared the results of CBD and THC on patients. These researcher discovered that patients given CBD experienced greater pain relief. Other symptoms CBD can manage include nausea and vomiting triggered by chemotherapy, stress and anxiety, and insomnia.
Side Effects of Cannabis
As with any medication, cannabis may have several side effects. These side effects vary in type and severity, depending on dosage and method of administration. Cannabis oil may produce fewer symptoms than smoking marijuana. It is also a safer alternative to smoking cannabis. Possible adverse side effects include low blood pressure, blood shot eyes, paranoia, hallucinations, rapid heartbeat, depression, and dizziness.
Like smoking cigarettes or other tobacco products, smoking marijuana can damage the lungs. Marijuana smoke contains many of the same cancer-causing compounds as cigarette smoke. Studies show smoking marijuana can lead to chronic bronchitis, acute bronchitis, chronic cough, and damage to the cells lining the major airways.
While CBD is not psychoactive, it can cause side effects for some users. The most common side effects for CBD are fatigue, changes in eating habits and weight, and diarrhea. Other potential side effects are dry mouth, dizziness, vomiting, nausea, and anxiety. The potential for side effects with CBD is much lower than for THC. Most patients experience mild side effects or none at all.
The potential benefits of CBD for mesothelioma patients are important. However, it is also important to point our that research into these compounds is limited. Despite amazing anecodotal stories, patients with mesothelioma and other cancers should not rely on cannabis products to actually treat their cancer.
If you have mesothelioma and live in a state with legal options for medical marijuana and CBD oil, talk to your medical team. You may find relief from symptoms like nausea or weight loss. However, never try a new medication without guidance from your doctor, and never use alternatives as a substitute for real cancer treatment.
Page Edited by Patient Advocate Dave Foster
Dave has been a mesothelioma Patient Advocate for over 10 years. He consistently attends all major national and international mesothelioma meetings. In doing so, he is able to stay on top of the latest treatments, clinical trials, and research results. He also personally meets with mesothelioma patients and their families and connects them with the best medical specialists and legal representatives available.
