Prevalence and description of kratom (Mitragyna speciosa) use in the United States: A cross-sectional study.

Addiction. 2020 Apr 14;:

Authors: Schimmel J, Amioka E, Rockhill K, Haynes CM, Black JC, Dart RC, Iwanicki JL

BACKGROUND AND AIMS: Mitragyna speciosa (« kratom ») contains mu opioid partial agonists. It is widely available, and occasionally used as a home remedy for opioid use disorder. The Drug Enforcement Agency considers kratom a Drug of Concern; however, prevalence of use and role in drug misuse are unknown. This study aimed to characterize kratom use in the United States (U.S.).
DESIGN: Cross-sectional Survey of Non-Medical Use of Prescription Drugs (NMURx) Program, 2018 3rd quarter and 2019 1st quarter.
SETTING: A validated non-probability online survey in the U.S.
PARTICIPANTS: A total of 59,714 respondents 18 years or older, weighted to represent the adult U.S. population (N=252,063,800).
MEASUREMENTS: In addition to prevalence of past-year kratom and other drug use, behavior proportions were estimated. The Drug Abuse Screening Test (DAST-10) estimated consequences of drug abuse.
FINDINGS: Estimated prevalence of past-year kratom use in the adult U.S. population was 0.8% (95% CI 0.7-0.9), representing 2,031,803 adults. Lifetime prevalence was 1.3% (95% CI 1.2-1.4), representing 3,353,624 adults. Kratom users were younger (mean 35 years, p<0.001), with higher proportions of males (61.0 vs. 48.6%, p<0.001), students (14.1 vs. 7.5%, p<0.001), and healthcare professionals (9.7 vs. 4.5%, p<0.001), and fewer bachelor’s/advanced degree graduates (33.4 vs. 42.6%, p<0.001), compared with non-users. Results were inconclusive on whether there was a difference in kratom use by race, household income, or employment status. Among those with past-year kratom use, 36.7% (95% CI 32.1-41.3) non-medically used prescription opioids, 21.7% (95% CI 18.0-25.5) used illicit opioids, 54.4% (95% CI 49.5-59.3) used another illicit drug, and 67.1% (95% CI 62.5-71.8) used cannabis. The DAST-10 profile was more often substantial/severe in kratom users (21 vs. 1%, p<0.001) compared with non-users.
CONCLUSIONS: Estimated United States past-year prevalence of kratom use is 0.8%, and kratom users tend to have more serious substance abuse profiles than non-users or users of cannabis, alcohol, or cigarettes. This is the first description of kratom use at the national level.

PMID: 32285981 [PubMed – as supplied by publisher]

Source: ncbi 2

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Categories: Medical

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