Breakthrough Seizure Associated With Kratom Use in Patients With Epilepsy

Prevalence, Characteristics, and Reasons for Kratom Use among Psychiatrically Ill Inpatients Who Use Substances

OBJECTIVE

Despite kratom impacting neurobiological systems involved in psychiatric disorders, little is known about the prevalence of use among patients with severe psychopathologies. Here, we investigated the prevalence of kratom use, motives for use, and the clinical associations among inpatients with severe psychiatric disorders.

METHODS

A total of 578 patients, aged 18 to 65, were evaluated by New Hampshire Hospital's Addiction Services from January 1, 2020, to February 28, 2022. The study collected demographic information and used chi-square tests, multivariable logistic regression, and subgroup analyses with 95% confidence intervals to examine trends among kratom users. A receiver operating characteristic curve analysis was also conducted. All statistical tests were performed using IBM SPSS Version 28.0.1.

RESULTS

Of the patients assessed, 2.2% (n = 13) reported using kratom. The reasons for kratom use were managing withdrawal symptoms (15.4%), maintaining sobriety and reducing cravings for opioids (53.8%), improving focus and concentration (30.8%), alleviating low moods (38.5%), and managing pain (15.4%). Compared to non-kratom users, the only factor with a fair to good association with kratom use is postsecondary education (Area Under Curve, AUC = 0.77).

CONCLUSIONS

Prevalence of kratom use among patients with serious mental illness at our site aligns with that reported in the general population. Users often cite self-management of cravings and sobriety from opioids, as well as treatment of low mood states, as motivations for consumption. While observations suggest a possible association between kratom use and individuals with post-secondary education, multiple substance use, and experience of substance-induced psychosis or mood disorders, it is essential to interpret these links cautiously until further rigorous studies are carried out to substantiate these findings.

Narrative Review of Kratom, an Emerging Psychoactive Substance With Perianesthetic Implications

Opioid overprescribing, with resultant overdose and death, has led to a national focus on alternative treatments for pain. With the decline in legal access to opioids, kratom has gained popularity as a legal, "natural," and easily accessible nonprescription analgesic for consumers wishing to self-medicate for pain, opioid use disorder, and other mental health conditions. While implications of kratom use in patients with chronic pain and/or opioid use disorder have been published, information on perianesthetic implications is lacking. Anesthesiologists should be informed about kratom, including the potential for unexpected physiologic derangements and adverse drug interactions resulting from complex pharmacologic activity, cytochrome P450 interactions, and common adulterations of the drug that may result in unpredictable clinical effects. This article explores the relevance of kratom to perioperative anesthetic care, including suggestions for anesthesiologists extrapolated from published information in nonoperative settings that may improve patient safety in individuals using kratom.

Kratom-Associated Mixed Cholestatic-Hepatocellular Liver Injury in a Patient With Long COVID: A case Report

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Acute, Sublethal, and Developmental Toxicity of Kratom (Mitragyna speciosa Korth.) Leaf Preparations on Caenorhabditis elegans as an Invertebrate Model for Human Exposure

Kratom (Mitragyna speciosa Korth.) is a tree native to Southeast Asia with stimulant and opioid-like effects which has seen increased use in Europe and North America in recent years. Its safety and pharmacological effects remain under investigation, especially in regard to developmental and generational toxicity. In the current study, we investigated commercial kratom preparations using the nematode Caenorhabditis elegans as a translational model for toxicity and pharmacological effects. The pure alkaloids mitragynine and 7-hydroxymitragynine as well as aqueous, ethanolic, and methanolic extracts of three commercial kratom products were evaluated using a battery of developmental, genotoxic, and opioid-related experiments. As determined previously, the mitragynine and 7-hydroxymitragynine content in kratom samples was higher in the alcoholic extracts than the aqueous extracts. Above the human consumption range equivalent of 15-70 µg/mL, kratom dose-dependently reduced brood size and health of parent worms and their progeny. 7-hydroxymitragynine, but not mitragynine, presented with toxic and developmental effects at very high concentrations, while the positive control, morphine, displayed toxic effects at 0.5 mM. Kratom and its alkaloids did not affect pumping rate or interpump interval in the same way as morphine, suggesting that kratom is unlikely to act primarily via the opioid-signalling pathway. Only at very high doses did kratom cause developmental and genotoxic effects in nematodes, indicating its relative safety.