Objective To establish the method of simultaneous determination of four main components of Danggui Liuhuang Decoction,including phellodendrine,palmatine,calycosin,and ferulic acid and provide reference for the quality control of Danggui Liuhuang Decoction.Methods Based on the HPLC-MS/MS analysis method,the positive ion data acquisition mode were adopted for the mass spectrometry detection and the four main components were quantified with multiple reaction monitoring mode(MRM)by ESI source.The chromatographic column was Agilent Extend-C18(5 μm,4.6 mm×250 mm),and gradient elution was performed with methanol and 0.5%formic acid in water.Results The linear range of phellodendrine was from 2-200 nmol/ml,and the linear range of palmatine,calycosin and ferulic acid was from 20-2 000 nmol/ml.The contents of the four components in the seven batches of Danggui Liuhuang Decoction were relatively stable,among which ferulic acid was mainly found in Phellodendrine and Coptidis;Phellodendrine was only detected in cortex phellodendri;the content of calycosin in Scutellaria baicalensis and Astragalus was higher;palmatine was detected in both Phellodendron and Astragalus.Conclusion The method had high sensitivity,good specificity and sample stability,which could meet the requirements of quantitative analysis of Traditional Chinese Medicine compounds,and could provide reference for further pharmacokinetics study on the content changes of traditional Chinese medicine compounds in biological samples.

Objective To provide alternative delivery methods of novel oral antitumor drugs for patients with dysphagia.Methods The retrieval range was determined according to the"Guidelines for Clinical Application of Novel Antitumor Drugs(2022 edition)".By consulting the instructions and searching databases such as PubMed,Micromedex,UpToDate,etc.,the preparation,stability,storage,and related clinical information of temporary liquid drug formulations were obtained.Results Seventy novel oral anticancer drugs were included in the literature search.Thirty-three drugs had relevant literature or data supporting alternative administration methods,only eight had information on alternative administration in the instructions,and the level of evidence for other drugs varied.Conclusion The evidence levels were low for most temporary liquid formulations,and medical teams should fully consider the advantages and disadvantages of using these products outside the instructions and use them with caution.