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Simultaneous determination of three components in pharmacy compounded terbinafine ointment by HPLC method

Journal of Pharmaceutical Practice.2021;39(3):267-269. doi:10.12206/j.issn.1006-0111.202007109

Objective To establish a method to assay 3 active components in pharmacy compounded terbinafine ointment simultaneously. Methods High performance liquid chromatography (HPLC) equipped with the ZORBAX SB-C₈ (4.6 mm×250 mm, 5 μm) was used for the assay. The mobile phase was methanol-0.1% phosphoric acid (70∶30). The flow rate was 1.0 ml/min with the 248 nm detection wavelength, 10 μl injection volume and 30 ℃ column temperature. Results A good linear relationship was observed in the range of 20.4-204.0 µg/ml for terbinafine hydrochloride(r=0.999 7), 40.4-404.0 µg/ml for mupirocin(r=0.999 8), 2.02-20.20 µg/ml for mometasone furoate(r=0.999 7). The average recovery of each detected component in terbinafine ointment was 99.39%, 99.21%, 99.97% with the RSD 0.82%, 0.59%, 0.81%(n=9). Conclusion This method is simple, rapid and accurate. It can be used to detect the content of terbinafine, mupirocin and mometasone furoate in pharmacy compounded terbinafine ointment.

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One step assay of the four plant ingredients in Yangxue Anshen syrup by HPLC method

Ping LU ; Dongjie NI ; Wei ZHENG ; Liangjun GUO ; Xiang WANG

Journal of Pharmaceutical Practice.2021;39(3):270-273. doi:10.12206/j.issn.1006-0111.202006072

Objective To establish a HPLC method for simultaneous determination of quercitrin, luteoloside, rutin and 2,3,5,4'-tetrahydroxystilbene-2-O-β-D-glucoside in Yangxue Anshen syrup. Methods Waters symmetry C₁₈ column (250 mm×4.6 mm, 5 μm) was used with 0.1% acetic acid (A) and methanol (B) as the mobile phase. Gradient elution was performed at a flow rate of 1.0 ml/min, 0-15 min, 95%-90%A; 15-35 min, 90%-70%A; 35-55 min, 70%-60%A; 55-85 min, 60%-50%A; 85-95 min, 10%A. The detection wavelengths were 256 nm and 320 nm. Column temperature was 30 ℃ and the injection volume was 10 μl. Results Quercitrin, luteoloside, rutin and 2,3,5,4'-tetrahydroxystilbene-2-O-β-D-glucoside showed good linear relationship within the range of 10-300, 5.0-150.0, 5.0-150.0, 20.0-600.0 µg/ml(r≥0.9989), respectively. The average recovery was (96.75±1.41)%, (99.61±1.01)%, (97.18±1.96)% and(99.12±0.97)% (n=6), respectively. Conclusion The established method is simple, accurate and stable, which can be used for the simultaneous determination of 4 components in Yangxue Anshen syrup.

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Meta-analysis on the efficacy and safety of β- lactams combined with macrolides in the treatment of community-acquired pneumonia in children

Jiajia GE ; Yingying ZHANG

Journal of Pharmaceutical Practice.2021;39(3):274-279. doi:10.12206/j.issn.1006-0111.202007077

Objective To compare the efficacy and safety of β - lactams alone and the combination of β - lactams with macrolides in the treatment of community-acquired pneumonia(CAP) in children. Methods PubMed, CNKI and VIP databases were searched by computer. RCT on children with CAP treated by β-lactams and macrolides were collected. The retrieval time was from the establishment of the database to July 2020. Literatures were selected and data was extracted according to inclusion and exclusion criteria. The risk of bias was evaluated, RevMan 5.3 software was used for Meta-analysis. Results Thirteen articles with 1788 patients were included in the study. The results showed that the clinical efficacy of the combination therapy in the experimental group was better than that in the control group [RR = 1.11, CI = 1.07–1.15, P < 0.000 01]. The time for fever returning to normal was shorter in the experimental group than that in the control group [MD = −1.31, CI =−1.58– −1.05, P < 0.000 01]. The disappearance time of pulmonary rales was shorter in the experimental group than that in the control group [MD = −1.75, CI = −2.13– −1.37, P < 0.000 01], There was no statistically significant difference in adverse reactions between the two groups (P > 0.05). Conclusion The combination therapy of β - lactams and macrolides is better than β-lactams alone in children with CAP with no significant difference in adverse reactions. Limited by the quantity and quality of the included studies, the conclusions from this study need to be further verified by large samples of high-quality RCT.

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Overseas warehouses for prepositioning medicine materials

Jing CHEN ; Lijun CUI ; Ruimin LI ; Yiqian ZHANG ; Zhipeng LUAN ; Lixin SHU

Journal of Pharmaceutical Practice.2021;39(3):280-282. doi:10.12206/j.issn.1006-0111.202101005

In order to meet our country strategic needs of “The Belt and Road”, it was proposed to use the existing overseas warehouses from domestic companies as prepositioning locations. The situation and functionality were clarified. A comprehensive evaluation for the existing overseas warehouses in the Indian Ocean was conducted. The authors screened out several countries suitable for prepositioning medicinal supplies. Meanwhile, the potential problems were discussed in order to provide a theoretical basis for the future research on overseas medicinal supplies.

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Survey and intervention countermeasures on occupational stress of young hospital pharmacists

Jiahao WU ; Lin GU ; Guihua LI ; Ming FANG ; Yan WANG ; Saihua LU ; Feng XU

Journal of Pharmaceutical Practice.2021;39(3):283-286. doi:10.12206/j.issn.1006-0111.202012007

Objective To investigate the occupational life status and occupational related stress factors of young hospital pharmacists, and to promote the healthy development of young pharmacists. Methods Questionnaire was designed and released on-line through Wenjuan Star APP. Demographic characteristic information, occupational stress and stress management data were obtained. Data were processed with SPSS. Results About sixty percent of 289 questionnaire respondents complained of occupational stress (178 respondents). Gender, education level, hospital grade, and job position had no significant effect on occupational stress difference. However, different age group showed different occupational stress. Pharmacist at the age of 31-35 complained more stress than the other age group. Pharmacist with high title complained more stress than the lower titles. Conclusion More than half of young pharmacists suffer from the high occupational stress, and various intervention measures should be taken to relieve the stress.

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GMP Defects in the field inspection for processed Chinese herbal medicine manufacturers in Anhui Province during 2014 to 2018

Pengjun YIN ; Shigao HU

Journal of Pharmaceutical Practice.2021;39(3):287-290. doi:10.12206/j.issn.1006-0111.202101010

Objective To propose the improvement measures and suggestions for the better quality management of processed Chinese herbal medicine production and provide insights and solutions for the quality control of processed Chinese herbal medicine production. Methods A retrospective statistical analysis was used to analyze the serious defects and major defects found in 50 processed Chinese herbal medicine manufacturers that failed to pass GMP certification in Anhui province from 2014 to 2018. Results The main problems found in processed Chinese herbal medicine manufacturers that failed to pass GMP certification were the low law consciousness of the legal representative or responsibility person, poor performance of key personnel, untraceable original data of the production records or testing, orderless material managements, ineffective operation of the manufacturing management system or quality control system. Conclusion It is recommended that processed Chinese herbal medicine manufacturers should enhance legal awareness, build good faith, pay attention to personnel training and GMP compliance. The regulatory authority should exercise the professionalism to ensure the quality and reliability of processed Chinese herbal medicines.

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Mitochondrial oxidative stress in vascular endothelial cell and atherosclerosis

Daoxin WANG ; Tianguang ZHANG ; Chaoyu MIAO

Journal of Pharmaceutical Practice.2023;41(6):329-334. doi:10.12206/j.issn.2097-2024.202205116

The injury of vascular endothelial cell function is the beginning of the pathological process of atherosclerosis. Mitochondrial oxidative stress is closely related to vascular endothelial cell function, which causes the dysfunction of vascular endothelial cell by inducing mitophagy, reducing nitric oxide production, inflammation, cellular metabolic imbalance and apoptosis. Meanwhile, vascular endothelial cell could also maintain their homeostasis by regulating mitochondrial oxidative stress. The molecular signaling pathways of the vascular endothelial cell injury caused by mitochondrial oxidative stress in the pathological process of atherosclerosis were outlined in this review, which provided reference for further research on the molecular mechanism between mitochondrial oxidative stress and endothelial damage.

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Advances in the treatment of diabetic ulcers by Chinese herbal extracts

Hanzhi LU ; Yi WANG ; Dongjie GUO ; Wanjun GUO ; Jianyong ZHU ; Fulun LI

Journal of Pharmaceutical Practice.2023;41(6):335-340. doi:10.12206/j.issn.2097-2024.202204111

Skin ulcers are the most prevalent consequence of diabetes mellitus, and people with diabetic ulcers have a substantially greater death risk than those who do not have ulcers. Herbal medications have gained wide concern in recent years due to their multi-component, multi-target, and multi-pathway synergistic therapeutic effects. Clinical trials have demonstrated the safety and efficacy of herbal treatments in diabetic refractory ulcers. To systematically evaluate the healing effect of herbs on diabetic wounds, a literature search was conducted, the mechanism of action of 15 herbal extracts in promoting diabetic wound healing were reviewed, and the classification based on traditional Chinese medicine theory was discussed, which could provide a reference for the precise treatment and exploitation of herbal medicines for diabetic ulcers.

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Advances and prospects in targeted protein degradation

Luozhu ZHOU ; Chunquan SHENG

Journal of Pharmaceutical Practice.2023;41(6):341-351. doi:10.12206/j.issn.2097-2024.202303008

Targeted protein degradation (TPD) techniques eliminate pathogenic proteins by hijacking the intracellular proteolysis machinery which includes the ubiquitin-proteasome system (UPS) and the lysosomal degradation pathway, holding promise to overcome the limitations of traditional inhibitors and further broaden the target space including many “undruggable” targets, and provide new targeted treatments for drug discovery. In this review, recent advances in a variety of promising TPD strategies were summarized, such as proteolysis targeting chimera (PROTAC), molecular glue, lysosome-targeting chimaera (LYTAC), autophagosome-tethering compound (ATTEC), autophagy-targeting chimera AUTAC and AUTOTAC, particularly. The representative case studies, potential applications and challenges were analyzed.

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Research progress on drug combination therapy against Candida albicans

Zhongyu DENG ; Shijin GUO ; Yifan GUO ; Juncheng FENG ; Quanzhen LYU ; Lijuan QIU

Journal of Pharmaceutical Practice.2023;41(6):352-357. doi:10.12206/j.issn.2097-2024.202112019

Candida albicans is one of the most common species of Candida, which is an important cause of invasive candidiasis in clinic. Due to the frequently use of classical antifungal agents, there are amounts of drug resistant C. albicans being isolated, causing the significantly decreasing of the efficacy of some antifungal agents in clinical treatment. Besides, the use of some compounds in clinic has been limited because of their toxicities. In such a context, drug combination therapy shows great potential on antifungal because of the synergy of different drugs or therapeutic methods that could bring, which could improve the weaknesses of single drug.

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