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Drug abuse has become a public health concern. The misuse of ketamine, a psychedelic substance, has increased worldwide. In addition, the co-abuse with alcohol is frequently identified among misusers. Considering that ketamine and alcohol share several pharmacological targets, we hypothesize that the consumption of both psychoactive substances may synergically intensify the toxicological consequences, both under the effect of drugs available in body systems and during withdrawal. The aim of this review is to examine the toxicological mechanisms related to ketamine plus ethanol co-abuse, as well the consequences on cardiorespiratory, digestive, urinary, and central nervous systems. Furthermore, we provide a comprehensive discussion about the probable sites of shared molecular mechanisms that may elicit additional hazardous effects. Finally, we highlight the gaps of knowledge in this area, which deserves further research.
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http://dx.doi.org/10.3390/ijms23147800 | DOI Listing |
Drug Alcohol Depend
August 2025
Center for Substance Abuse Research and Department of Neural Sciences, Lewis Katz School of Medicine at Temple University, 3500 N. Broad Street, Philadelphia, PA 19140, USA. Electronic address:
Background: The use of methamphetamine has continued to rise in the US. In addition to facilitating dopamine neurotransmission, methamphetamine indirectly increases glutamate release, which activates N-methyl-D-aspartate receptors (NMDARs). Ketamine is a noncompetitive NMDAR antagonist.
View Article and Find Full Text PDFAddiction
September 2025
Discipline of Public Health and Primary Care, Institute of Population Health, School of Medicine, Trinity College Dublin, Dublin, Ireland.
Background And Aims: Alcohol and other drug use is common in early adulthood; however, research on contemporary polysubstance use patterns-defined as use of multiple psychoactive substances-and their associated factors is limited. This study aimed to identify groups with differing polysubstance use patterns and to examine associations with individual, family and socio-environmental factors.
Design: This is a cohort study based on data from the Growing Up in Ireland (GUI) study.
Sci Rep
August 2025
Department of Analytical Chemistry, Faculty of Chemistry, K.N. Toosi University of Technology, Postal Code, P.O. Box 16315-1618, Tehran, 15418-49611, Iran.
In this study, the effects of the induced magnetic field on the separation of drugs with different structures and polarities were investigated. Herein, column chromatography within an induced magnetic field was introduced to examine the influence of magnetic fields on materials and their interactions. For this purpose, the drugs were categorized into three series based on polarity: tramadol (logP 1.
View Article and Find Full Text PDFAm J Drug Alcohol Abuse
August 2025
Departments of Psychiatry, Pharmacology, Anatomy & Neurobiology University of Maryland Baltimore, Baltimore, MD, USA.
Opioid use disorder (OUD) is a chronic relapsing condition with a high mortality rate. While medications such as methadone are valuable first-line therapies, retention is poor, with the highest dropout rates early in a treatment attempt. Poor outcomes are due in part to the very high rates of co-morbid depression in people with OUD, as depression can drive opioid use.
View Article and Find Full Text PDFInt J Neuropsychopharmacol
August 2025
Department of Psychiatry, VA Connecticut Healthcare System, West Haven, CT, United States.
Importance: The comorbidity of major depressive disorder (MDD) and alcohol use disorder (AUD) is often treated inadequately. This study evaluated the impact of adding the opioid receptor blocker, naltrexone, to the NMDA glutamate receptor antagonist, ketamine, for the treatment of MDD comorbid with AUD. In so doing, it also attempted to shed light on the contribution of opioid receptor stimulation to the antidepressant effects of ketamine in this population.
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