Abstract
Nan Bao detox capsule (NBDC), derived from ancient Chinese opioid detox protocols, shows promising therapeutic potential in substance abuse disorders, particularly for attenuating methamphetamine (MA) addiction. This study aimed to identify active ingredients, evaluate therapeutic efficacy in an MA addiction rat model and delineate pharmacodynamic mechanisms using metabolomics. In vitro phytochemical profiling characterized 258 drug-related compounds, with 87 prototype entities mainly identified in rat plasma. NBDC significantly attenuated METH-induced behavioural anomalies and modulated neurotransmitter levels, notably increasing brain DA and serotonin (5-HT) content with concomitant upregulation of D1 dopamine receptor (DRD1) and 5-HT1A receptor (5-HT1AR) expression, ameliorating hippocampal pathology. Metabolomic analysis identified histamine receptor as a potential target and revealed the involvement of NBDC in metabolic pathways associated with cocaine addiction, amphetamine abuse and Parkinson's disease. Conclusively, NBDC presents a promising therapeutic agent for mitigating MA addiction through a synergistic interplay of multiple constituents, pharmacological targets and metabolic pathways.
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