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Cannabis & Opiates
America’s Opiate Addiction Crisis
And How Medical Cannabis Can Help
By Dr. Dustin Sulak
Dr. Dustin Sulak is the founder and director of Integr8 Health, a network of holistic health clinics specializing in cannabis therapeutics with offices in Maine and Massachusetts. His educational work is featured on Healer.com, a free patient and physician resource. This article is adapted from a recent talk where Sulak discussed the staggering scope of opioid abuse in America and a neglected treatment option for opioid addiction: medical cannabis.
For more information: Visit Healer.com
While America claims only 5 percent of the world’s population, we consume 80 percent of the world’s opioids. We’re using opioids far more than any other country—to the extent that some countries actually have trouble accessing opioids for important reasons like post-surgical or end-of-life treatment. Analgesia can be hard to come by in some Third World countries—while we’re using it all up.
In the United States, nearly 50 percent of people who take opioids for more than 30 days in the first year continue to use opioids for three years or longer. Half are being prescribed short-acting opioids, the type that Big Pharma says is more likely to lead to addiction and abuse. Nearly 60 percent of U.S. patients are taking opiates with other drugs that are known to make the opioids more dangerous, to make an overdose more likely.
The Doctor’s Dilemma
Prescription opioid abuse and addiction is actually a much bigger problem than heroin addiction in this country. In 2014, for example, there were around 19,000 overdose deaths from opioid prescriptions and around 11,000 overdose deaths from heroin. Many of these heroin users started with prescription opioids.
That year in Maine, where I practice medicine, sixty-nine percent of drug overdose deaths were caused by a prescribed opioid. Maine had the highest per capita prescription rate of long-acting opioids in the United States—more than double the national average. Maine had the most long- term opioids prescribed per capita.
It’s a nationwide problem. Nearly 80 percent of heroin users in the United States reported using prescription opioids before initiating heroin use. And 45 percent are currently addicted to prescription opioids. So this problem is largely starting in the doctor’s office.
August 2016
KEY FACTS About Cannabis & Opioids
Every day in the US, 44 people die from prescription opioid overdoses and about 7,000 are treated in emergency rooms for prescription opioid misuse.
Opioid overdose deaths go down an average of 24.8% in states with medical cannabis laws. (Journal of the American Medical Association).
Prescription opiates are more dangerous than heroin. In 2014, there were around 19,000 overdose deaths from opioid prescriptions and 11,000 from heroin.
Nearly 80% of heroin users in the US reported starting with prescription opioids.
Randomized controlled trials have shown that cannabis oil can be an effective treatment for chronic neuropathic pain.
Cannabis improves the pain relief that opioids provide. Administering opioids and cannabis together results in a greater-than-additive anti-pain effect, a synergistic reduction of pain.
Cannabis can prevent opioid tolerance building and the need for dose escalation.
Cannabis can decrease the symptoms of opioid withdrawal— nausea, vomiting, spasms, cramping, insomnia.
Cannabis therapy is safer than the other harm reduction options.
When a doctor is face-to-face with a chronic pain patient who says, “My pain is worse, the opioids aren’t working, I need more. If I don’t get them I’m not going to be able to go to work, I’m not going to be able to support my family, I’m not going to be able to function”—it’s hard for that clinician to say no.
Well, in some states with medical cannabis laws, physicians do have other treatment options. But many doctors aren’t aware of this. As a clinician, I see many people suffering with chronic pain and, like other physicians, I want to do something to help them. Fortunately, I have an alternative. I have an option that I know is safe and effective in the treatment of chronic pain.
Adding cannabis to opioids makes the opioids safer. Cannabis can prevent opioid tolerance building and the need for dose escalation. Cannabis can treat the symptoms of opioid withdrawal. And cannabis is safer than other harm reduction options for people that are addicted or dependent on opioids.
Opiates for the Masses
We’re prescribing so many opioids and consuming so many opioids—but to what extent do these pharmaceuticals actually help with chronic pain? A 2015 review from the Annals of Internal Medicine summarized, “Evidence is insufficient to determine the effectiveness of long-term opioid therapy for improving chronic pain in function.” This review analyzed 34 studies on adult chronic pain patients who were using opioids for more than three months. The authors of this review were unable to find a single study that assessed outcomes after one year related to pain, function, or quality of life. There were no studies that compared opioid use for more than a year to placebo or compared opioids to non-opioid treatments or to no therapy.
The article in the Annals of Internal Medicine found no evidence supporting the use of long-term opioids as an effective treatment modality. But the authors did find an increased risk of serious harm associated with long-term opioid use—overdose, fractures, heart attacks, sexual dysfunction. In contrast, the American Academy of Neurology reported in 2014 that an oral cannabis extract can be used to treat chronic neuropathic pain in multiple sclerosis with the highest level of evidence. This is a very particular group of neurologists that rate their evidence on a scale from A to D, and they got category A evidence for the cannabis extract. There have been extensive scientific, randomized controlled trials showing that cannabis oil extract can effectively treat chronic pain.
“Adding cannabis to opioids makes the opioids safer. Cannabis can prevent opioid tolerance building and the need for dose escalation.”
How do cannabis and opioids work together? What are we seeing in the clinic and how can we explain what we’re seeing? Opioid and cannabinoid receptors are both present in pain areas of the brain. Receptors can be thought of as keyholes. And when the drug—the cannabinoid or the opioid—comes in, it fits into the receptor and it has some effect on the cell, changing its physiology. Opioid and cannabinoid receptors are also both present in other areas of the brain that have to do with addiction and behavior. We know that these receptors talk to each other. And researchers have found that administering opioids and cannabis together results in a greater-than-additive anti- pain effect.
Using cannabinoids and opioids in combination results in a synergistic reduction of pain. There’s peer-reviewed animal research as well as human data to support this. Dr. Donald Abrams treated 21 patients in a hospital setting who were using opioids for chronic pain in quite high doses, and they received cannabis from the National Institute of Drug Abuse, at 3.56 percent THC. For anyone that’s familiar with cannabis potencies, that’s incredibly low potency cannabis. (It would probably be hard to find cannabis with that low potency, even if you looked for it.) The patients were vaporizing the cannabis three times daily, and their pain significantly decreased by 27 percent. Perhaps if they used a better preparation of cannabis and a more suitable delivery method, they would have gotten even better results than what Dr. Abrams reported in 2011.
Cannabis is Safer
Can cannabis be used to replace opioids in chronic pain patients? It can certainly be used to enhance the effects of the opioids. A 2016 study surveyed 244 medical cannabis patients in Michigan, where medical cannabis use was associated with an overall 64 percent decrease in opioid use, a decrease in the number and side effects of other medications, and a 45 percent improvement in quality of life. An Israeli study from the same year found that 44 percent of 176 opioid-using patients were able to discontinue opioid therapy entirely seven months after they began smoking cannabis or eating cannabis-infused cookies. They had been given titration instructions -- basically start low and gradually increase the amount of cannabis consumed each day.
So, yes, cannabis can be used to replace opioids. But is it safe to use them together? Consider the ratio of the fatal dose to the effective dose of various medications. Heroin has a very narrow therapeutic index. If you were to take five times the dose of heroin that you can use to relieve pain, it could kill you. If you were to take 10 times the dose of alcohol that might get you a little bit relaxed, that dose could kill you. But there’s no lethal dose of cannabis. So what happens when we use cannabis and opioids together? Well, the problem with using too many opioids is that they stimulate opioid receptors in the cardiorespiratory centers of the brain, which can be fatal. This is the part of the brain that controls your heart rate and your breathing. There are virtually no cannabinoid receptors present in these areas of the brain, whereas in the pain areas of the brain there’s a lot of cannabinoid and opioid interactions. This is key: By adding cannabinoids to opioids, we actually get a widening of the therapeutic index. The lethal dose stays the same, but the effective dose goes way down because cannabis potentiates the opiates. So now we’re playing in a much safer range.
Passing a state medical cannabis law on average reduced opioid overdose deaths by 24.8 percent, according to the Journal of the American Medical Association.
How about retention of efficacy? One of the biggest problems with long-term opioid treatment is that it stops working. People build up tolerance to opioids, they come back every three to six months saying, ‘I want more, I need more.’ I saw this in my medical training, especially during residency. It was kind of the bane of the primary care provider’s existence. What to do about these patients that we don’t have a better solution for. And every once in a while I’d see a patient that came in on a stable dose of opioids that never asked for an increase—maybe 5mg of oxycodone three times a day for a decade. No change in dosage. So I started to wonder, and I asked why are these patients so different from all the other patients that are taking opioids. I asked the patients and they told me that they were using cannabis in combination with the opioids, that it made the opioids more powerful, the cannabis made it so that these patients didn’t need more.
Once again, there’s solid science behind this. It’s been shown in mice that opioid receptors are actually upregulated in animals that are treated with both morphine and THC (the main psychoactive component of cannabis). This is the opposite of what happens when they’re treated with morphine alone. The mice are able to avoid building tolerance and retain the anti-pain effects of the morphine even when they were given a low dose of THC—a dose so low that on it’s own it wouldn’t relieve pain. But that tiny dose is enough to preserve and potentiate the function of the morphine.
Harm Reduction
While we would like to imagine that everyone who’s addicted to any substance could successfully get off those substances all together, we recognize that that’s not practical. Abstinence just doesn’t work for everyone. So instead of focusing on abstinence, we take a safer substance and use it to replace a more harmful substance. This is the practice of harm reduction.
What are our current harm reduction options for treating opioids? Two main harm reduction approaches for opioids are accepted in mainstream medicine right now. One is Buprenorphine which, when combined with an opioid blocking drug called Naloxone, is sold as Suboxone. And we also have Methadone, although it’s debatable
whether Methadone is safer than heroin. A 2014 review in the Cochrane Database assessed the efficacy of these approved heroin substitution options and found that only high-dose Buprenorphine was more effective than placebo in suppressing illicit opioid use. Low dose and medium dose Buprenorphine in trials did not suppress the opioids better than placebo. Methadone maintenance was found to be superior to Buprenorphine in retaining people in treatment.
Sometimes these treatments can help, but they’re not enough. We need something more. So what about cannabis? First of all, cannabis has a much better safety profile than Methadone or Suboxone. There’s no lethal overdose with cannabis. You can have a fatal overdose on Methadone; the same for Suboxone, especially if you’re taking it with a Benzo (like Valium or Clonazepam) or another agent that suppresses cardiorespiratory function. Yet these drugs are often prescribed together.
Cannabis, by comparison, has a lower risk of dependence than any other psychoactive substance. It also has a low risk for abuse and diversion, especially in nonsmokable forms. There’s currently over 30,000 patient years of data, mostly in randomized control trials using a cannabis extract, a sublingual spray called Nabiximols, usually tested for the treatment of pain and spasticity. It’s already approved in 27 countries. In that huge data set, there’s been no evidence of abuse or diversion. That’s really impressive. What’s more, most people who stop using cannabis are able to do so without any formal treatment.
Saving Lives
In 2014, the Journal of the American Medical Association published a study that looked at various interventions to address the opioid problem, to see how many opioid overdose deaths these interventions could prevent. Some states have implemented a prescription drug monitoring program so medical providers can log in, look up a patient, and find out which controlled substances they’ve been prescribed, where and when they filled them, how many pills they got, and so forth. But implementing such monitoring program did not have any significant effect on reducing opioid overdose deaths. Increased state oversight of pain management clinics had no significant effect.
But simply passing a state medical cannabis law on average reduced opioid overdose deaths by 24.8 percent. What’s more, the AMA article reported that each year after the medical cannabis law was passed, the rate of opioid overdose deaths continued to decrease.
Medical cannabis should be a first-line treatment for opioid addiction, not a last resort if it’s permitted at all.
We’re currently seeing patients in our clinic who tell us that they’re using cannabis with their opioids to reduce their dose and get off their pain meds. Unfortunately, we’re also seeing patients who are telling us, “My pain management doctor found THC in my urine, and they kicked me out of their practice.” Or, “They cut off my prescriptions abruptly.”
What’s going on here? It doesn’t make any sense. It’s well documented that cannabis is a good replacement for illegal and prescription drugs. There’s a 2015 Canadian survey of 473 medical cannabis patients, 87 percent of them were using cannabis as a substitute for something else—prescription drugs, illicit drugs, or alcohol. Eighty percent reported substituting for prescription drugs; 51 for alcohol; 32 percent for illicit substances. And the reasons they gave were consistent: more effective, less side effects, less risk of dependence and addiction.
Cannabis has been shown to improve Naltrexone treatment retention. Naltrexone is an opioid blocking drug. If a person takes Naltrexone, they’re going to be less tempted, hopefully, to abuse opioids because the opioids aren’t going to do anything to them when they take them. A 2009 study found that intermittent cannabis users were staying in that treatment program for 113 days, on average, compared to abstinent users—people who weren’t
using cannabis at all—who only lasted 47 days. They also found that intensive behavioral therapy helped those who also used cannabis, but didn’t help the non-cannabis users at all.
Cannabis does something to help patients stay in recovery, to stay out of that addictive chapter of their life and to move on to something new. There’s evidence elsewhere in the scientific literature that suggests cannabinoids can promote neuroplastic changes in the brain, changes literally in the structure of the brain related to new behavior, new thought patterns. That’s exactly what we need to get someone out of that addictive cycle into a new phase of life.
Kicking With Cannabis
In addition to keeping people in treatment, replacing and reducing the opioids, improving the pain relief that opioids provide, and preventing opioid dose escalation and tolerance, cannabis can also treat the symptoms of opioid withdrawal: nausea, vomiting, diarrhea, abdominal cramping, muscle spasms, anxiety, agitation, restlessness, insomnia, and also minor symptoms like runny nose and sweating. Cannabis can treat all of these withdrawal symptoms.
In residency, I learned about a 4-drug cocktail—a muscle relaxant, an anti-hypertensive agent, a diarrhea agent, an anti-nausea agent—we used them all together to get someone through withdrawal, four pharmaceuticals each with their own safety issues. But with cannabis we have a non-lethal herb that can do all of that. Cannabis users experience decreased opioid withdrawal severity.
People often ask, what about the gateway theory? What about getting addicted to cannabis? Aren’t we just replacing one addiction with another? Well, we’ve already discussed harm reduction, but let’s look at how addictive cannabis actually is. According to the National Institute of Drug Abuse, lifetime risk for dependence on cannabis is 9 percent. That’s less than alcohol, opiates or any other drugs of abuse. But that 9 percent figure is exaggerated; it includes people who were in court-mandated treatment programs. Quite a few people who get busted for cannabis are not addicted to it; they’re using it recreationally, or even medically, and because of their legal issues they end up in drug treatment. That skews the numbers.
“Evidence is insufficient to determine the effectiveness of long-term opioid therapy for improving chronic pain in function.”
Indeed, abruptly ceasing chronic cannabis use can cause withdrawal symptoms. People can become dependent on it. Cannabis withdrawal symptoms include irritability, nervousness, anxiety, anger or aggression, decreased appetite, weight loss, restlessness, sleep difficulty, strange dreams. Symptoms appear one to two days after stopping chronic cannabis use and last at most two weeks. But our patients consistently report that cannabis withdrawal is relatively mild, very similar to caffeine withdrawal.
A 2015 study from the Journal of American Medical Association looked at the data of actual medical cannabis instead of illicit cannabis. Indeed, medical cannabis can have unwanted side effects. But these side effects were typically quite mild and they can be mediated by dosage. So when you use programs like healer.com or when you have a cannabis clinician who knows what they’re doing, they can walk you through how to use cannabis and get the right dosage. It’s possible to use cannabis without any side effects at all. Many of our patients do that.
Enter CBD
The whole conversation around cannabis side effects, cannabis addiction and dependence changes quite a bit with the emergence of CBD-rich cannabis. During the decades of prohibition, cannabis breeders grew strains that had more and more THC [The High Causer] and less and less of the sister cannabinoids because that’s what sells on the black market. People want to buy something that’s pleasantly intoxicating. But recently there’s been a shift, a
complete reversal, where people who are medical patients want serious symptom relief, they want the medical benefits, but many people don’t want to get high or impaired.
Significant medical benefits are attributed to a non-intoxicating sister molecule of THC called CBD or cannabidiol. CBD has been shown to reduce the side effects caused by THC and to enhance the benefits of THC. In some animal studies, CBD has been shown to decrease addictive behavior; medical scientists found that the heroin-seeking behavior of self-administering rats decreased when the animals were given CBD.
While CBD is generating a lot of excitement and hope within the medical community, concerns persist about how medical cannabis laws might impact young people. If we pass medical cannabis or adult-use legalization, aren’t more adolescents going to start smoking marijuana? If they perceive cannabis as safe, aren’t they’re going to get into it at a younger age?
A lot of people who are addicted to opioids can’t legally access cannabis because medical marijuana isn’t allowed in their state or their state doesn’t include chronic pain or opioid addiction among the conditions for which a physician can recommend cannabis.
Several studies have addressed this question with encouraging results. A 2015 study in the Lancet Psychiatry Journal found, “There is no evidence of a differential increase in past month use in youths that can be attributed to state medical marijuana laws.” And a 2016 study in The International Journal of Drug Policy that found “no evidence for an increase in adolescent marijuana use after the passage of state laws permitting use of marijuana for medical purposes. Concerns that increased marijuana use is an unintended effect of state marijuana laws seem unfounded.”
Patient Survey
Integr8 Health, my clinic, recently sent a survey to all of our patients and everyone that was one our mailing list. The survey asked basic questions about whether or not they had used opioids for more than three months, if they used the opioids in combination with cannabis, and what happened when they did. We had over 1,000 responders, 48 percent female. Seventy percent of people who responded had used opioids for more than three months in a row. Fifty percent of responders had used medical cannabis in combination with their opioids. Of these, 39 percent had stopped using opioids completely after starting cannabis; 73 percent had sustained the reduction of opioids for over a year; and an additional 39 percent had reduced their dose, but were continuing to use opioids.
That’s big. Thirty-nine percent off opioids entirely and another 39 percent reduced their dose. Forty-seven percent reported a reduction in pain greater than 40 percent. Finding a medication that can reduce pain more than 40 percent – that’s considered very effective in the medical literature. Eighty percent reported improved function; and 87 percent reported improvement in their quality of life.
Luckily in Maine and in other states where medical cannabis is legal, patients with chronic pain have a choice. Cannabis can help them. But there are a lot of people who are dependent on opioids and addicted to opioids who can’t legally access cannabis because medical marijuana isn’t allowed in their state or their state doesn’t include chronic pain or opioid addiction among the conditions for which a physician can recommend cannabis.
States with medical marijuana laws should add opioid addiction to the list of conditions that can be treated with cannabis. And states that have yet to recognize the medical utility of cannabis should revise and update their policy given the extent of the opioid crisis and the considerable scientific and clinical data that highlights the potential of
cannabis as a lifesaving treatment for opiate addiction. Medical cannabis should be a first-line treatment for opioid addiction, not a last resort if it’s permitted at all.
In summary, the opioid problem is lethal and growing. Prescription opioid abuse is actually worse than heroin abuse; it’s a bigger problem, and it starts in the doctor’s office. Cannabis can replace and reduce opioid use. Adding cannabis makes opioids safer by widening the therapeutic index. Cannabis can prevent opioid tolerance-building and the need for dose escalation. And cannabis can treat the symptoms of opioid withdrawal. Finally, cannabis is safer than the other harm reduction options.
Sources
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Chou, Roger, et al, “The Effectiveness and Risks of Long-Term Opioid Therapy for Chronic Pain: A Systematic Review for a National Institutes of Health Pathways to Prevention Workshop,” Annals of Internal Medicine, 17 February 2015.
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