3-CMC: Acute Effects in Male and Female Mice, Human Intoxication Case Series (Italy, 2014-2025), and Prediction of ADMET Properties
Abstract
3-chloromethcathinone (3-CMC) is a synthetic cathinone that gained relevance, having been involved in a large number of seizures and poisoning reports. Despite this, literature currently lacks information on its pharmaco-toxicological effects. This study aims to investigate the acute sensorimotor and physiological effects of 3-CMC (0.1-30 mg/kg; i.p.) in male and female CD-1 mice and its effects (1 and 10 mg/kg) on Prepulse Inhibition (PPI). Furthermore, we describe a series of 3-CMC (or CMC)-related human intoxications (Italy, 2014-2025) registered by the PCC-National Toxicology Information Centre. Finally, we predicted the ADMET properties of 3-CMC compared to 2-CMC, 4-CMC, 2-MMC, and two 3-CMC metabolites. 3-CMC induced in mice locomotor stimulation in mice, relevant tachypnoea and hypothermia, sensorimotor, and PPI alterations were observed only at high doses, with minor sex differences. All intoxications were non-fatal and involved male patients showing psychomotor agitation, psychosis, aggressiveness, CNS depression, but also cardiac arrhythmias, thoracic pain, and tachypnea. N-dealkylation, N-hydroxylation, and phenyl hydroxylation were the main predicted reactions. Drug-drug interaction potential and cardiotoxicity were suggested for all compounds. This interdisciplinary study elucidates 3-CMC effects and its associated risks, opening new objectives for future studies on CMC compounds to provide critical information to clinicians and the toxicological field.
How strong is the evidence?
Evidence Hub reads this as a case series, done in people. Its evidence level is 5 of 5 (Very low · case / narrative / animal / in vitro / in silico). Case reports, narrative reviews, and animal, cell or computer-model studies give the weakest evidence for human health.
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