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Some CBD products may yield cannabis-positive urine drug tests

In a study of six adults, Johns Hopkins Medicine researchers report evidence that a single vaping episode of cannabis that is similar in chemical composition to that found in legal hemp products could possibly result in positive results on urine drug screening tests commonly used by many employers and criminal justice or school systems.

The U.S. government defines hemp as any crop of cannabis containing 0.3% THC or less in dry weight. THC (delta-9-tetrahydrocannabinol) is the substance in cannabis that confers a “high” and produces the subjective and cognitive effects that are typically synonymous with cannabis. The 2018 U.S. Farm Bill legalized the production and sale of hemp, and now as a result, consumer hemp products, such as oils, vaping cartridges and hemp flowers for smoking can be legally purchased in specialty stores, general retail stores and through websites across the U.S.

Hemp is now increasingly finding use in medicine and wellness markets, particularly for its component CBD, short for cannabidiol, which is one of the more than 100 cannabinoids found in the cannabis plant. According to New York-based investment bank Cowen & Co., the market for CBD last year ranged from $600 million and $2 billion in sales. Despite the size of this booming industry, it remains largely unregulated.

In a paper published Nov. 4 in the Journal of Analytical Toxicology, the researchers report that two out of six study participants tested positive after vaping cannabis that contained 0.39% THC using urine testing methods that are consistent with testing frequently performed for employment-related or criminal justice-related urine drug testing programs. Though the cannabis used in this study does not currently meet the federal definition of hemp, the THC concentration of 0.39% exceeds federal regulation by just 0.09%.

“People who use legal hemp products for medical intent rarely just use them once as we did in this study, and prior studies show that THC and its metabolites may accumulate with repeated use,” says postdoctoral fellow Tory Spindle, Ph.D., a researcher in the Behavioral Pharmacology Research Unit at the Johns Hopkins Bayview Medical Center. “What this means is that people need to be wary of single-dose or cumulative THC exposure and be aware that these now legal products may cause an unexpected positive result on a drug test.”

“Because the market for CBD products is so new and the popularity of use is growing so quickly, we want the public to be aware that a positive drug test is possible,” says Ryan Vandrey, Ph.D., associate professor of psychiatry and behavioral sciences at the Johns Hopkins University School of Medicine. Vandrey and his collaborators at the University of Pennsylvania previously showed in a JAMA study that 21% of CBD/hemp products sold on the Internet contained THC, even though it wasn’t listed on the product labels. “I have a hard time finding anyone who hasn’t used a CBD product at least once, but most are completely unaware of the possibility of THC exposure or a positive drug test as a result of using these newly legalized products,” says Vandrey.

trials demonstrated CBD to be an effective treatment for two rare forms of pediatric epilepsy, however, there is currently insufficient evidence to support use for any other health condition according to the U.S. Food and Drug Administration. Despite this, CBD product suppliers and consumers claim benefits of CBD for a wide range of purposes, including everything from anxiety to insomnia to general wellness. CBD products can be swallowed in the form of an oil/tincture, eaten in a food product (e.g., gummy bears), inhaled using “vape pens” similar to electronic cigarettes, or applied topically to the skin in a cream, patch, balm or gel.

For the current study, the researchers recruited three women and three men with an average age of 31 years old. One participant self-reported as African American and the rest as white.

The batch of cannabis used in this particular study contained 10.5% CBD and 0.39% THC, a 27 to 1 ratio of CBD to THC that is similar to what is often found in legal hemp/CBD products. In the study, research volunteers vaporized a little less than 1 gram of cannabis, which contained a total dose of 100 milligrams of CBD and 3.7 milligrams of THC. To vape the cannabis, heated cannabis vapor was collected into a balloon that was then inhaled by the participant.

In addition to vaping the high CBD/low THC cannabis, study volunteers also were given pure CBD in a capsule, vaporized pure CBD and placebo (a mock CBD pill and vaporized cannabis in which CBD and THC had been removed) in three other dosing sessions, one week apart from each other. In all active drug conditions (excluding placebo), the CBD dose delivered was 100 milligrams per session.

The drug testing cut-off used to determine a “positive” result in this study was a “screening” concentration of at least 50 nanograms per milliliter of THCCOOH, a metabolite used to indicate whether someone has used cannabis, in the urine sample using an on-site “dipstick” test. A positive on that test was then “confirmed” at a 15 nanograms per milliliter cut-off of THCCOOH using a more sensitive test method.

Two of the six participants who vaped the low-THC/high-CBD cannabis tested positive for THCCOOH.

No positive urine drug test results were observed in the other test sessions (pure CBD capsules, pure CBD vape or placebo).

“These results suggest that pure CBD, used once by itself, will not cause a positive drug test,” says Vandrey. Adding to this, Spindle points out that it “does not take much THC exposure to trigger a positive test for some people.” There may be variation from person to person in drug metabolism and puffing behaviors such as inhalation depth, which might contribute to the breakdown or buildup of cannabinoids in the body, the researchers say.

The team says they plan to repeat their studies using products that fall within the current federal hemp regulations with respect to THC content, and additionally study the impact of repeated CBD/hemp exposure on drug testing outcomes.

Other authors on the study were Edward Cone and George Bigelow of Johns Hopkins, David Kuntz of Clinical Reference Laboratory, John Mitchell of RTI International and Ronald Flegel of the Substance Abuse and Mental Health Services Administration (SAMHSA).

This research was supported by SAMHSA and the National Institute on Drug Abuse (T32DA07209).

COI: Vandrey has been a paid consultant for or received honoraria from Zynerba Pharmaceuticals, FSD Pharma and Canopy Health Innovations Inc.

Hemp is now increasingly finding use in medicine and wellness markets, particularly for its component CBD, short for cannabidiol, which is one of the more than 100 cannabinoids found in the cannabis plant. According to New York-based investment bank Cowen & Co., the market for CBD last year ranged from $600 million and $2 billion in sales. Despite the size of this booming industry, it remains largely unregulated.

In a paper published Nov. 4 in the Journal of Analytical Toxicology, the researchers report that two out of six study participants tested positive after vaping cannabis that contained 0.39% THC using urine testing methods that are consistent with testing frequently performed for employment-related or criminal justice-related urine drug testing programs. Though the cannabis used in this study does not currently meet the federal definition of hemp, the THC concentration of 0.39% exceeds federal regulation by just 0.09%.

“People who use legal hemp products for medical intent rarely just use them once as we did in this study, and prior studies show that THC and its metabolites may accumulate with repeated use,” says postdoctoral fellow Tory Spindle, Ph.D., a researcher in the Behavioral Pharmacology Research Unit at the Johns Hopkins Bayview Medical Center. “What this means is that people need to be wary of single-dose or cumulative THC exposure and be aware that these now legal products may cause an unexpected positive result on a drug test.”

“Because the market for CBD products is so new and the popularity of use is growing so quickly, we want the public to be aware that a positive drug test is possible,” says Ryan Vandrey, Ph.D., associate professor of psychiatry and behavioral sciences at the Johns Hopkins University School of Medicine. Vandrey and his collaborators at the University of Pennsylvania previously showed in a JAMA study that 21% of CBD/hemp products sold on the Internet contained THC, even though it wasn’t listed on the product labels. “I have a hard time finding anyone who hasn’t used a CBD product at least once, but most are completely unaware of the possibility of THC exposure or a positive drug test as a result of using these newly legalized products,” says Vandrey.

Trials demonstrated CBD to be an effective treatment for two rare forms of pediatric epilepsy, however, there is currently insufficient evidence to support use for any other health condition according to the U.S. Food and Drug Administration. Despite this, CBD product suppliers and consumers claim benefits of CBD for a wide range of purposes, including everything from anxiety to insomnia to general wellness. CBD products can be swallowed in the form of an oil/tincture, eaten in a food product (e.g., gummy bears), inhaled using “vape pens” similar to electronic cigarettes, or applied topically to the skin in a cream, patch, balm or gel.

For the current study, the researchers recruited three women and three men with an average age of 31 years old. One participant self-reported as African American and the rest as white.

The batch of cannabis used in this particular study contained 10.5% CBD and 0.39% THC, a 27 to 1 ratio of CBD to THC that is similar to what is often found in legal hemp/CBD products. In the study, research volunteers vaporized a little less than 1 gram of cannabis, which contained a total dose of 100 milligrams of CBD and 3.7 milligrams of THC. To vape the cannabis, heated cannabis vapor was collected into a balloon that was then inhaled by the participant.

In addition to vaping the high CBD/low THC cannabis, study volunteers also were given pure CBD in a capsule, vaporized pure CBD and placebo (a mock CBD pill and vaporized cannabis in which CBD and THC had been removed) in three other dosing sessions, one week apart from each other. In all active drug conditions (excluding placebo), the CBD dose delivered was 100 milligrams per session.

The drug testing cut-off used to determine a “positive” result in this study was a “screening” concentration of at least 50 nanograms per milliliter of THCCOOH, a metabolite used to indicate whether someone has used cannabis, in the urine sample using an on-site “dipstick” test. A positive on that test was then “confirmed” at a 15 nanograms per milliliter cut-off of THCCOOH using a more sensitive test method.

Two of the six participants who vaped the low-THC/high-CBD cannabis tested positive for THCCOOH.

No positive urine drug test results were observed in the other test sessions (pure CBD capsules, pure CBD vape or placebo).

“These results suggest that pure CBD, used once by itself, will not cause a positive drug test,” says Vandrey. Adding to this, Spindle points out that it “does not take much THC exposure to trigger a positive test for some people.” There may be variation from person to person in drug metabolism and puffing behaviors such as inhalation depth, which might contribute to the breakdown or buildup of cannabinoids in the body, the researchers say.

The team says they plan to repeat their studies using products that fall within the current federal hemp regulations with respect to THC content, and additionally study the impact of repeated CBD/hemp exposure on drug testing outcomes.

Other authors on the study were Edward Cone and George Bigelow of Johns Hopkins, David Kuntz of Clinical Reference Laboratory, John Mitchell of RTI International and Ronald Flegel of the Substance Abuse and Mental Health Services Administration (SAMHSA).

This research was supported by SAMHSA and the National Institute on Drug Abuse (T32DA07209).

A small study concludes that caution is warranted for users of ‘high CBD, low THC’ cannabis products.

Will Hemp Oil Show Up on a Drug Test?

by Marc Berman August 24, 2020, 11:26 am

In the United States alone, an increasing number of consumers swear by the potential health benefits attributed to the regular use of hemp oil. However, with its widespread popularity also comes misconceptions about its application and visibility in drug screenings. Many beginners to these products often share the same concern. They ask, will hemp oil show up on a drug test?

The best CBD oil is quickly rising in popularity as an all-natural health and wellness supplement. The possible hemp oil benefits are plentiful, they may alleviate the symptoms of both minor and major ailments.

What is Hemp

All products come from the hemp plant, which is found in nature. The plant itself contains naturally-occurring compounds that may be beneficial to the body.

One of the possible positive side effects of these compounds is that it could help the body reach a state of balance and harmony. Overall, it may even improve the quality of one’s life.

A myriad of different CBD products is derived from the plant itself. These products range from topical creams and hair products to healthy snacks, and other health supplements like the famous hemp oil. The list of possibilities is seemingly endless.

What is Hemp Used For

Hemp is such a versatile product that has several different applications. Its fibers can be used to create material for sustainable clothing while its oils may also be extracted for various health and medical purposes.

So many positive side effects could come from the regular use of this one natural plant. The possible hemp oil benefits include but are not limited to the following:

● Hemp seeds are added to oatmeal or granola bars for added nutrition. They are a great source of protein and healthy fats such as Omega-6 and Omega-3.
● They may reduce inflammation and the overall risk of heart disease. Hempseed oil contains arginine which could produce nitric acid within the body and lower blood pressure.
● The components of the plant reportedly have anti-inflammatory properties that could alleviate chronic pain.
● It may help ease anxiety and act as a remedy for insomnia. Studies show that a good night’s sleep may positively affect one’s mood and increase productivity for the following day.
● Hemp seed oil could effectively treat allergies and eczema. This is why it is usually mixed together with coconut oil or other essential oils to create body lotion. It may alleviate skin irritation and itchiness.

All of these products are not cure-alls. They are not intended to diagnose, treat, or cure any illness alone. They are meant to be used like any other health supplement.

Will Hemp Oil Show Up on a Drug Test

Most employees know that it’s not uncommon to undergo drug tests annually. Although, having a positive result on any of these drug tests would be a nightmare. This is why most people are wary about using hemp products.

Credible studies show that it’s nearly impossible to get a positive drug test from using any product that comes from hemp cultivation. Typically, these drug tests look for THC. All hemp plant products such as CBD gummies have no more than 0.3 THC content, the legal amount as prescribed by the 2018 Farm Bill.

This small amount will not show up as positive on a drug test. Even a false positive is unlikely with such a minuscule amount of THC.

How to Use Hemp Oil

Hemp oil can be used topically, sublingually, or even mixed into food and water to add extra nutrition. Some prefer to use a body cream to potentially help with inflammation and chronic pain while others choose to mix it into food for quicker absorption.

It’s completely up to the user’s preference. Either way, it may provide a much-needed boost to one’s immune system all while alleviating other lingering ailments.

One need not deprive one’s self of the reported hemp oil benefits for there is little to no risk of a positive drug test even with regular use of these all-natural products.

Will Hemp Oil Show Up on a Drug Test? by Marc Berman August 24, 2020, 11:26 am In the United States alone, an increasing number of consumers swear by the potential health benefits attributed ]]>