What if CBD could reverse the effects of fentanyl?

Fentanyl is a well-known drug. It is particularly dangerous and potent—even more so than heroin or morphine. The danger is such that just two milligrams of this substance could lead to a fatal overdose. The risk of accidental ingestion is even greater, given that this opioid is completely odorless and colorless. Fortunately, however, teams of scientists have been studying the harmful effects of fentanyl. They have developed a synthetic version of cannabidiol capable of neutralizing the effects of fentanyl in the event of an overdose. Researchers are investigating the clinical effects and studying the potential of these chemically modified CBD molecules.

For those who have never heard of fentanyl, it is nothing more and nothing less than a very powerful painkiller intended exclusively for medical use. Unfortunately, problems are never far behind, and fentanyl is also used as a recreational drug. Compared to heroin and morphine, fentanyl is 50 to 100 times more potent and deadly. A fentanyl overdose causes respiratory failure and the user’s death.

In medicine, fentanyl is prescribed as an analgesic, or pain reliever. The amount of fentanyl needed to produce a pain-relieving effect is very small—even negligible. This is why overdoses are so common, even when administered under the supervision of healthcare professionals. Fentanyl is what is known as a synthetic opioid, chemically modified in a laboratory. It is odorless and tasteless.

It’s important to remember that just two milligrams of fentanyl are enough to cause an overdose. The consequences of such an overdose are extremely alarming. The danger is real, and the risks are compounded by the fact that fentanyl is nearly undetectable in the body. We must also take into account each individual’s bioavailability and sensitivity. Some patients feel the effects of opioids more readily than others. Similarly, some people have a very low tolerance for opioids due to underlying physiological conditions.

There are many physical and bodily manifestations of a fentanyl overdose. First, common symptoms begin with respiratory failure. The patient has great difficulty breathing. Next, the patient loses consciousness and falls into a comatose state. Distinct signs are then observable, such as a change in the color of the nails and lips. The patient’s temperature drops drastically, and their pupils constrict.

Since fentanyl is also used as a drug, dependence and addiction are inevitable. After just a few doses of fentanyl, withdrawal symptoms set in very quickly. Worse still, the body develops a form of tolerance to the opioid. The user must therefore, at their own risk, take more fentanyl to experience the same effects. The risk of overdose thus becomes very high. Fentanyl has a higher toxicity level than morphine and heroin.

Often, desperate or uninformed people decide to buy it on the black market. However, the world of drug addiction exposes uninformed buyers to deception and trickery. Many unscrupulous dealers mix fentanyl with other opioids such as cocaine or oxycodone. As a result, users who thought they were buying heroin may unwittingly end up with fentanyl. And crucially, there is no way to detect its presence except through laboratory analysis. To give you a clear idea, a dose of fentanyl equivalent to two small grains of salt is fatal. Fentanyl is not the only risk faced by buyers on the black market. It is also possible to ingest toxic particles such as heavy metals or mixtures of other hard drugs.

Before delving into the details of the study, let’s take a moment to focus on cannabidiol, the cannabinoid that so intrigues researchers. CBD (cannabidiol) has seen an unprecedented surge in popularity in recent years. It is a molecule extracted from the hemp plant. It belongs to the large family of cannabinoids and is one of the plant’s most interesting active compounds. Why? It’s simple: cannabidiol is believed to possess exceptional properties for relieving various everyday ailments. In fact, when you ingest CBD (orally, sublingually, or via vaping), the cannabidiol molecules are thought to bind to the receptors in your endocannabinoid system. These endocannabinoid receptors in the central nervous system (CB1 and CB2) are responsible for regulating essential biological functions such as appetite, pain, sleep, stress, and memory. In short, CBD indirectly influences the central endocannabinoid system (CES) by intercepting nerve signals sent to the cerebral cortex. In this way, it promotes homeostasis. Regular consumption of CBD is thought to help boost health and well-being.

The study in question was conducted in the United States at Indiana University. American researchers attempted to reverse the harmful effects of fentanyl ingestion through the use of CBD (cannabidiol). But this isn’t the typical CBD you’ll find on the market. No, this is a chemically modified and optimized synthetic cannabinoid. The experiment focuses not only on fentanyl but on various drugs and opioids. The initial findings of the study have been published in the Journal of Medicinal Chemistry. The researchers succeeded in replicating the composition of cannabidiol and combining it with naloxone.

The risk of accidental opioid overdose is a global concern, and the statistics bear this out. In fact, it is important to note that more than twenty people die from opioid overdose every day. This is a very alarming statistic, and until now, the only recourse has been the emergency administration of naloxone. Unfortunately, naloxone is not effective enough to reverse the chaotic effects of synthetic opioids such as fentanyl. 

According to analyses by researchers at Indiana University, the body is unable to combat an overdose because there is a missing link. In fact, the body absolutely needs an opioid neurotransmitter to initiate the interaction. Leading scientists such as Dr. Alex Straiker assert that synthetic opioids like fentanyl have a high affinity for opioid receptors. He also adds that naloxone cannot treat an overdose unless it is supported by an opioid, with which it enters into a form of antagonism within the same binding site. In the case of a fentanyl overdose, the interaction site where the antagonism should occur is different from the first one. As a result, naloxone becomes completely ineffective.

At first, the researchers faced a Cartesian dilemma: how could they ensure that naloxone and opioids came into contact within the same interference zone? This is where allosteric modulators come into play. According to the explanation provided by the scientific teams at the University of Michigan, these modulators are particles that influence the behavior of other molecules. To identify the allosteric modulator with the greatest potential, the researchers selected about 50 active agents.

After conducting several rigorous laboratory tests, they finally identified cannabidiol. CBD appears to possess all the qualities and properties necessary to counteract the harmful effects of fentanyl on the human body. For the purposes of the experiment, high concentrations of cannabidiol were therefore required. The initial tests were conducted on blood samples containing cells altered by fentanyl. The CBD (cannabidiol) used in the experiment is not ordinary; it is a cannabinoid that has been optimized and modified specifically for this experiment.

The results of the experiment conducted on synthetic CBD are encouraging. However, cannabidiol’s antidotal properties still need to be verified by examining other sites of interaction between opioids and naloxone. Several laboratories have therefore been working together to try to identify other allosteric modulators that could be effective in reversing the harmful effects of fentanyl.                             

The study identified the structural principles that will enable the development of an effective treatment to reverse the effects of fentanyl on the body. CBD (cannabidiol) is an essential allosteric modulator that allows naloxone to antagonize opioids at the same binding site. Many laboratories are collaborating with the university that initiated this discovery, and trials involving actual clinical cases are currently being launched. Nevertheless, synthetic CBD is a highly promising active compound for future treatments targeting the effects of fentanyl.