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Trigeminal neuralgia: How cannabis can help with the excruciating pain

Although it is rare, approximately 1 in 10,000 people develop the condition each year

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Trigeminal Neuralgia: A bottle of CBD oil against a dark background with two cannabis leaves beside it.

Trigeminal neuralgia (TN) is a chronic pain condition that affects the trigeminal nerve, which carries sensation from your face to your brain.

Although it is rare, approximately 1 in 10,000 people develop this condition each year.

The main symptom of trigeminal neuralgia is a sudden attack of severe, sharp, shooting facial pain. The pain may last only a few seconds to a few minutes, but can occur repeatedly, during an attack. The pain is often described as excruciating, like an electric shock. The attacks can be so severe that you’re unable to move while they’re happening. Pain can also arise in other areas that are supplied by the trigeminal nerve, such as the cheek, jaw, eye and forehead.

Initially, it can present itself as short, slight pain, but TN can develop and have more enduring impacts, which can take the form of longer-lasting, more intense pain. The condition affects more women than men and is more likely to affect people who are over 50.

Helen, a patient at Integro Medical Cannabis Clinics, recounts her story from first using conventional medicines to receiving her medical cannabis prescription. Since then, she has seen a significant improvement in her quality of life.

At Integro Clinics, our doctors have seen the positive benefits that cannabis medicines can have in managing our patient’s symptoms of trigeminal neuralgia.

Trigeminal Neuralgia: Helen’s Story

Helen began to suffer from TN 15 years ago, which has meant that she has been unable to work since completing her master’s degree at university. Chronic back pain, which then spread up to her neck, triggered Helen’s TN, which began with agonising migraines.

Helen describes her pain as always starting on the left side of her face.

“Trigeminal neuralgia comes as a permanent headache around my left eye, it feels like I actually have pain in my eye. The pain spreads into my forehead and my jaw as well. It is a constant, mild pain, but if my neck gets stiff, or if I get stressed, it becomes a more severe pain. My TN means I’m light sensitive and I can only use the computer for short periods at a time. If I am looking at the screen for too long, my headaches get worse, and then as a result the pain in my face flares up.” – Helen

Helen was prescribed anticonvulsants by her doctor, such as pregabalin. She did not find that they eased the pain and they caused short term memory loss.

She added: “When I came off the pregabalin tablets, I realised that they had not actually helped me. I was still feeling the same pain as when I was on the medicine. The only thing that changed was that my short term memory started to get better.”

Trigeminal Neuralgia (TN) : A glass pipette against a pink background. The pipette is filled with a yellow oil

Helen wanted to find an alternative way to manage her pain but did not want to suffer the side effects of using conventional medicines again. After searching through Facebook pages on TN, Helen found out that medical cannabis was legal and available on prescription and could actually help her without any horrible side effects.

“I eventually discovered that cannabis clinics existed on Facebook. I started as a patient at one clinic, but I soon realised that the oil they prescribed wasn’t working for me. So, I then became a patient at Integro and this is where I started to see the benefits of medical cannabis. The team at Integro really helped me to find the best combination of THC and CBD that works for me. I felt like I was listened to and they wanted to help me, rather than just seeing me as being a fussy patient.

The CBMP’s that I’m taking now has made a huge difference in my life. They relax the muscles in my neck which means that my TN is triggered far less than before. I also get a better night’s sleep which in turn reduces the symptoms of my TN. Even though the pain is still there, it’s much less severe, I can actually read a book or look at my computer screen for longer than I could before. Cannabis has really given me my life back.” – Helen

Chornic pain and cannabis

Dr Anthony Ordman, Senior Consultant at Integro Medical Clinics, has seen how cannabis medicines can help patients suffering from TN. The cannabis helps them to manage their symptoms and relieve their pain so they can get on with activities such as reading, or working on a computer screen

“In trigeminal neuralgia, nerve cells fire off in an uncontrolled way which sends pain signals to the brain, experienced as severe pain in the face and mouth.

“Only one conventional medicine will help, carbamazepine, which doesn’t always help completely. Cannabis medicines help to settle down the over-excited nerves and to dampen down their excessive firing. But then it also helps with the secondary effects of TN such as muscle tension, low mood, poor sleep and so on.”

He added: “At Integro Clinics, we aim to never cause any adverse effects or dependency, but the same can’t be said for conventional medicines. Integro Medical Clinics Ltd always recommends remaining under the care and treatment of your GP and specialist for your condition, while using cannabis-based medicines, and the Integro clinical team would always prefer to work in collaboration with them.”

If you would like further information or to speak to Dr Anthony Ordman please contact Integro Clinics:

www.integroclinics.com
Email: [email protected]
Twitter: @clinicsintegro

Trigeminal neuralgia charities & organisations:

Trigeminal Neuralgia Association UK
Oral and Facial Pain
Facing Facial Pain

Read more: Integro Medical Clinic: living with and managing arthritis pain

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Medical cannabis reduces pain and opioid use in cancer patients – study

Findings suggest that medicinal cannabis can be carefully considered as an alternative to the pain relief medicines.

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Pain measures improved significantly with medical cannabis and other cancer-related symptoms also decreased.

Medical cannabis reduces cancer-related pain and the need for opiate-based painkillers, reveals a new study in oncology patients.

A comprehensive assessment of the benefits of medical cannabis for cancer-related pain, has found that for most oncology patients, pain measures improved significantly, other cancer-related symptoms also decreased, the consumption of painkillers was reduced, and the side effects were minimal. 

Published in Frontiers in Pain Research, these findings suggest that medicinal cannabis can be carefully considered as an alternative to the pain relief medicines that are usually prescribed to cancer patients.

Pain, along with depression, anxiety, and insomnia, are some of the most fundamental causes of oncology patient’s disability and suffering while undergoing treatment therapies, and may even lead to worsened prognosis.

Keto: A banner advert for Medical Cannabis Clinics

Author, David Meiri, assistant professor at the Technion Israel Institute of Technology, explained: “Traditionally, cancer-related pain is mainly treated by opioid analgesics, but most oncologists perceive opioid treatment as hazardous, so alternative therapies are required.

“Our study is the first to assess the possible benefits of medical cannabis for cancer-related pain in oncology patients; gathering information from the start of treatment, and with repeated follow-ups for an extended period of time, to get a thorough analysis of its effectiveness.”

Need for alternative treatment

After talking to several cancer patients, who were looking for alternative options for pain and symptom relief, the researchers were keen to thoroughly test the potential benefits of medicinal cannabis.

“We encountered numerous cancer patients who asked us whether medical cannabis treatment can benefit their health,” said co-author Gil Bar-Sela, associate professor at the Ha’Emek Medical Center Afula. 

“Our initial review of existing research revealed that actually not much was known regarding its effectiveness, particularly for the treatment of cancer-related pain, and of what was known, most findings were inconclusive.”

The researchers recruited certified oncologists who were able to issue a medical cannabis license to their cancer patients. These oncologists referred interested patients to the study and reported on their disease characteristics.

Bar-Sela said: “Patients completed anonymous questionnaires before starting treatment, and again at several time points during the following six months. We gathered data on a number of factors, including pain measures, analgesics consumption, cancer symptom burden, sexual problems, and side effects.”

Improved symptoms

An analysis of the data revealed that many of the outcome measures improved, with less pain and cancer symptoms. Importantly, the use of opioid and other pain analgesics decreased. 

In fact, almost half of the patients studied stopped all analgesic medications following six months of medicinal cannabis treatment.

“Medical cannabis has been suggested as a possible remedy for appetite loss, however, most patients in this study still lost weight. As a substantial portion were diagnosed with progressive cancer, a weight decline is expected with disease progression,” reported Meiri.

He continued: “Interestingly, we found that sexual function improved for most men but worsened for most women.”

Meiri would like future studies to dig deeper and look at the effectiveness of medicinal cannabis in different groups of cancer patients.

“Although our study was very comprehensive and presented additional perspectives on medical cannabis, the sex, age, and ethnicity, as well as cancer types and the stage of the cancer meant the variety of patients in our study was wide-ranging. Therefore, future studies should investigate the level of effectiveness of medicinal cannabis in specific subgroups of cancer patients with more shared characteristics.”

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Lack of research preventing wider prescribing of cannabis for arthritis

The review found limited progress in understanding the potential of cannabis for the treatment of pain.

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CreakyJoints review article

A lack of research is preventing wider uptake of medical cannabis prescribing for arthritis pain, according to a new review published in the US.

A new review article has found that there has been limited progress in understanding the potential of cannabis-based therapies for the treatment of pain associated with rheumatic conditions in the past five years.

The article concluded that this is primarily due to a lack of standardisation of clinical research and barriers to conducting research due to existing federal and state regulations in the US.

The review, which was published by CreakyJoints, an international digital community for arthritis patients and caregivers, found that the legalisation and decriminalisation of cannabis at a state level in the US reflects changing attitudes about cannabis as use of the drug increases across a broad range of conditions, including rheumatic diseases.

Osteoarthritis: A banner advert for the medical cannabis clinics

Unfortunately, while there is strong preclinical evidence showing that cannabis-based products play a role in alleviating pain and reducing inflammation, the highly variable state and federal statutes have limited patient-centred prospective research, education of clinicians and comfort of patients in disclosing their cannabis use to clinicians.

W. Benjamin Nowell, PhD, director of patient-Centered research at CreakyJoints said: “In 2019, CreakyJoints presented data from our ArthritisPower Research Registry study showing more than half of arthritis patients reported wanting information on or actually had tried cannabis and/or cannabidiol products for a purpose they perceived as medical – often for pain relief and help sleeping.

“Yet, three years later, there’s been virtually no advancement in the research necessary to provide clinical evidence that rheumatologists and patients need to make decisions about cannabis use for symptom relief in combination with approved treatments.”

He added: “Without this research, it is impossible to develop clinical guidelines for medicinal cannabis in the US, which is vital for patients seeking the full range of treatment options to explore in partnership with their physicians. The best way to treat rheumatic conditions is through the use of US Food and Drug Administration approved medications, which are backed by evidence demonstrating their effectiveness and safety profile.”

Only three cannabis-based medications are approved by the US Food and Drug Administration, none of which are for the treatment of pain or other symptoms related to rheumatic conditions.

Lack of research stymying uptake of medical cannabis

Researchers draw attention to an array of studies that have shown that cannabinoids are effective in the laboratory at decreasing inflammation in cells and reducing inflammation and pain in mice and rats.

In addition, studies in humans that support efficacy are primarily surveys of people using medicinal marijuana who report relief of pain. However, in rheumatic diseases, there are very few studies of cannabis-based therapies in humans and the clinical trials conducted to date have small sample sizes and inconsistent methods.

“Although the clinical evidence about cannabis for rheumatic disease pain is lacking, it is nevertheless important to educate patients about the known benefits and risks of alternative treatments, including medical cannabis,” said Dr Stuart Silverman, rheumatologist, clinical professor of medicine, Cedars-Sinai Medical Center and UCLA School of Medicine and medical director, OMC Clinical Research Center.

“As a rheumatologist who treats patients with pain, I am aware that some of my patients have found cannabis to be an effective option when traditional medications fail to reduce their pain.

“I am open to discussing medical cannabis when patients express an interest in its use. Then, if they choose to use it, I follow them closely to monitor efficacy and any side effects and to ensure that they do not consider it as a replacement for FDA-approved disease-modifying drugs.”

CreakyJoints recommends that rheumatologists and healthcare providers be prepared to “discuss medicinal cannabis with their patients in an empathetic, non-biased manner”.

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Study shows safety of using cannabis with opioids 

Findings suggest that CBD and THC are safe for use with opioid pain medication.

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There were over 100,000 opioid-related deaths in America in the last 12 months. 

Researchers in the US have found that using cannabis with opioids does not increase the risk of addiction. 

Findings from a new study suggest that CBD and THC might be safe for use with opioid pain medication, without increasing the risk of addiction.

Although more studies are needed, the results suggest that these compounds, found in cannabis, might be a low-risk way to reduce the dose of opioids needed to relieve pain.

The results show that CBD and THC do not enhance the rewarding effects of opioids, meaning that these compounds may not increase the risk for addiction when used in conjunction with opioid medications.

In the new study, the researchers gave rhesus monkeys the opportunity to choose a food reward or an injection of the opioid fentanyl. 

They then tested whether CBD, THC or mixtures containing both compounds affected the number of times monkeys selected fentanyl over food. 

They found that a wide range of doses of CBD or THC both alone or in a mixture did not increase or decrease the number of times they selected fentanyl.

Medical cannabis is often cited as an alternative pain reliever to opioid medication, with many patients finding they are able to reduce the number of opioids they are taking after being prescribed cannabis. 

According to data from the Center for Disease Control, there were over 100,000 opioid-related deaths in America in the last 12 months. 

Lawrence Carey, PhD, a postdoctoral fellow at the University of Texas Health Science Center, San Antonio, said: “There is intense interest in using medical marijuana in patients with chronic pain because compounds in marijuana like CBD and THC may produce pain relief themselves or enhance the pain-relieving effects of opioids.

“This means people could potentially use lower doses of opioids and still get relief from pain. Taking less pain medication could also lead to a lowered risk of addiction or physical dependence to opioids.”

He continued: “Giving the animals the opportunity to choose between a drug injection and a food reward helped us to somewhat replicate choices a human drug user may face, such as whether to spend money on drugs or food.

“Having the option of responding for food is also useful for studying drugs like THC that produce sedative effects. It helps demonstrate the animal is reallocating behaviour from drug to food choice instead of simply shutting down response for a drug due to sedation.”

 The researchers are now conducting other studies to assess whether CBD and THC can decrease signs of opioid withdrawal and relapse.

“A big reason why people continue to take opioids after they become addicted is the appearance of withdrawal symptoms,” said Carey. 

“We are using what we learned from this study to determine whether these doses — which didn’t alter choice for food or drug rewards — may help relieve opioid withdrawal or decrease relapse and drug seeking behavior following periods of abstinence.”  

 The researchers caution that opioid use disorder is a complex disease and there are many factors to consider when developing a drug to treat it. 

Although this study indicates that THC and CBD do not increase the rewarding effects of opioids, they say that before applying these findings to people, it will be necessary to determine whether these treatments alter other pathological processes involved with opioid use and to better understand any risks that may be associated with their use.

 

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