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Xenobiotica
the fate of foreign compounds in biological systems
Volume 53, 2023 - Issue 8-9
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Clinical Pharmacokinetics and Metabolism

The metabolite profiling of YR-1702 injection in human plasma, urine and feces by HPLC-Q-TOF-MS/MS

, , , , , , & show all
Pages 536-546 | Received 29 Aug 2023, Accepted 14 Oct 2023, Published online: 23 Oct 2023
 

Abstract

  1. YR-1702, a hybrid μ/κ/δ receptor agonist, is modified from the traditional opioid analgesic dezocine. It had shown both excellent analgesic effect and lower addiction in phase I clinical trial in China, however, the metabolic pathway of YR-1702 in humans remains unelucidated.

  2. The goals of this study are to characterise the metabolism of YR-1702 in human liver microsomes (HLMs) and patients with chronic non-cancer pain by high performance liquid chromatography-coupled with quadrupole-time-of-flight mass spectrometry (HPLC-Q-TOF-MS/MS).

  3. The results showed that a total of twelve metabolites were identified in HLMs, in which 7, 6 and 5 metabolites were also found in human plasma, urine and feces, respectively. And the major metabolic pathways include mono-hydroxylation, di-hydroxylation, dehydrogenation and glucuronidation. The locations of hydroxylation and dehydrogenation were identified by the signature fragments of the metabolites.

  4. The relative contents of the metabolites in human plasma were also evaluated, in which the main metabolite M1 notably accounting for more than 14% of the total drug exposure. This study would contribute to the understanding of the in vivo metabolite profile of YR-1702 injection for future use.

Disclosure statement

YFN is employed by Yangtze River Pharmaceutical Group Co., Ltd. MLC is employed by Nanjing Clinical Tech Laboratories Inc. WHH is employed by Nanjing Jiening Pharmaceutical Technology Co., Ltd., Ltd. The funder had the following involvement with the study: manuscript review. All authors declare no other competing interests.

Additional information

Funding

This study received funding from Yangtze River Pharmaceutical Group Co.

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