1.1. Objective: Qianliexin Capsule (QLX), a traditional Chinese medicine, has been widely used to treat Chronic Nonbacterial Prostatitis (CNP) in China. Here, metabolic profiling was utilized to clarify the bio-targets of QLX in CNP treatment. Methods:An estradiol-induced prostatitis rat model was used to mimic the hormonal imbalance-induced CNP. The urine and serum were collected to analyze metabolic profiles by ultra-high-performance liquid chromatography-mass spectrometry (UPLC-MS). Results:An anti-inflammatory role for QLX was seen in the estradiol-induced prostatitis rats, and the Lower Urinary Tract Symptoms (LUTS) were relieved by QLX. The unique metabolic profiling in CNP was significantly changed by addition of QLX. Thirty-nine metabolites identified in serum and urine, that are involved in multiply pathways, were significantly reversed by QLX in the CNP rats. Among them, glycerophospholipid metabolism, sphingolipid metabolism and fructose and mannose metabolic pathways were the most significantly influenced by QLX and were closely associated with the anti-inflammatory role of QLX in CNP. Conclusion: The changed metabolic profile after QLX addition may be associated with the pharmacologic function of QLX in CNP.

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