The risk of higenamine adverse analytical findings following oral administration of plumula nelumbinis capsules.,Drug Testing and Analysis

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The risk of higenamine adverse analytical findings following oral administration of plumula nelumbinis capsules.
Drug Testing and Analysis ( IF 2.9 ) Pub Date : 2019-11-27 , DOI: 10.1002/dta.2701
Kuan Yan ₁ , Xinzhai Wang ₁ , Zhanliang Wang ₁ , Yunfei Wang ₁ , Zhaoqian Luan ₁ , Xi Gao ₂ , Ruiqi Wang ₂

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Higenamine is a β2‐agonist that has been included in the Prohibited List of the World Anti‐Doping Agency (WADA) since 2017. Meanwhile, it exists in plumula nelumbinis, a part of the lotus seed, and is commonly used as an ingredient in cuisines, herbal medicines, and nutritional supplements in China and other countries in East Asia. Therefore, an evaluation of the risk of an adverse analytical finding (AAF) of higenamine caused by plumula nelumbinis products is necessary in doping control. In this study, 14 volunteers took plumula nelumbinis capsules orally (0.34 g/caplet, 6 caplets/day, 7 days), and another 11 volunteers ingested higenamine tablets (three 5 mg tablets/day for 7 days). Urine samples were collected over a period of 14 days. All urine samples were subjected to quantitative dilute‐and‐shoot analysis using liquid chromatography–tandem mass spectrometry (LC–MS/MS). The analytical results showed that urinary higenamine concentrations exceeded the WADA reporting limit (10 ng/mL) during the drug period in most sample groups. The maximum higenamine concentration observed in the plumula nelumbinis capsule group was 500 ng/mL. Based on confidence interval theory, appropriate data were used to establish mathematical models. The models reflected that the higenamine concentration in urine can exceed the WADA reporting limit with a high probability after taking plumula nelumbinis capsules. In conclusion, oral administration of plumula nelumbinis capsules showed a high risk of an AAF due to higenamine.

更新日期：2019-11-27

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