Asthe standard for drafting standards,the Rules for Compiling National Standards for Pharmaceutical Excipients was first issued in the 2020 edition and then revised and re-issued in 2025.It has become an important technical specification for the pharmaceutical excipients standards in the Chinese Pharmacopoeia and for the phar-maceutical excipients standards formulated by pharmaceutical companies for associated review and approval.This article focuses on introducing the working background,main framework and main characteristics of the Rules for Compiling National Standards for Pharmaceutical Excipients,aiming to help the drafters,reviewers and implement-ers of pharmaceutical excipients standards better understand and master them,so as to further improve the standard-ization of writing pharmaceutical excipients standards and enhance the level of standards formulation and revision of pharmaceutical excipients.

Asthe standard for drafting standards,the Rules for Compiling National Standards for Pharmaceutical Excipients was first issued in the 2020 edition and then revised and re-issued in 2025.It has become an important technical specification for the pharmaceutical excipients standards in the Chinese Pharmacopoeia and for the phar-maceutical excipients standards formulated by pharmaceutical companies for associated review and approval.This article focuses on introducing the working background,main framework and main characteristics of the Rules for Compiling National Standards for Pharmaceutical Excipients,aiming to help the drafters,reviewers and implement-ers of pharmaceutical excipients standards better understand and master them,so as to further improve the standard-ization of writing pharmaceutical excipients standards and enhance the level of standards formulation and revision of pharmaceutical excipients.

Objective To explore the effects of camellia honey on intestinal inflammation and injury induced by a high-fat diet(HFD)in Drosophila.Methods A HFD model group of fruit flies was created by feeding with standard culture medium containing 30％lard.Each camellia honey groups were fed the same high-fat medium containing different concentrations of camellia honey.The body mass,eclosion rate,climbing ability,size of lipid droplets,and levels of intestinal reactive oxygen species in adult flies were measured and analyzed.Results Compared with the model group,each camellia honey groups showed significant improvements.Specifically,camellia honey ameliorated the following HFD-induced alterations:decline in eclosion rate,increase in pupal volume,increase in adult average body mass,decrease in adult climbing ability,enlargement of the lipid droplet area,elevation in intestinal ROS levels,and intestinal damage.Conclusions Camellia honey improved the growth and development,intestinal inflammation,and injury induced by a HFD in Drosophila.

Objective:To explore the advantages of internet-based smart healthcare for full-cycle transcatheter edge-to-edge repair (TEER) management in reducing postoperative adverse events rate, improving cardiac function, and enhancing quality of life.Methods:This retrospective study enrolled patients with mitral regurgitation who underwent transcatheter TEER at Beijing Anzhen Hospital Valve Intervention Center between June 2021 and September 2023. Patients were classified into degeneration mitral regurgitation (DMR) and functional mitral regurgitation (FMR) according to etiology, with further stratification by enrollment period into usual care group (June 2021 to October 2022) and full-cycle management group (November 2022 to September 2023). The 1-year postoperative follow-up data were collected and compared between subgroups with the same etiology. Kaplan-Meier survival curves were plotted, and log-rank tests were used to compare the differences in major endpoint event-free survival rates between the two groups. Univariate and multivariate Cox regression and logistic regression analyses were performed to evaluate the impact of the full-cycle management system on patients′ outcomes.Results:A total of 130 patients were included, aged (72.0±8.6) years, including 82 (63%) males. DMR was identified in 84 cases (40 in the usual care group and 44 in the full-cycle management group), while FMR was observed in 46 cases (27 in the usual care group and 19 in the full-cycle management group). Kaplan-Meier analysis demonstrated higher 1-year major endpoint event-free survival rates in the full-cycle management group compared to the usual care group, though the difference was not statistically significant (log-rank P>0.05). Compared to the usual care group, the full-cycle management group showed significantly higher proportions of New York Heart Association classification Ⅰ-Ⅱ patients (DMR: 67% vs. 52%, P=0.031; FMR: 68% vs. 52%, P=0.021), greater 6-minute walking distances (DMR: (346.39±70.41) m vs. (294.11±60.47) m, P=0.012; FMR: (356.60±54.68) m vs. (318.55±39.02) m, P=0.004), and superior Kansas City Cardiomyopathy Questionnaire scores (DMR: 81.50 (74.50, 85.00) points vs. 71.00 (66.00, 82.25) points, P=0.014; FMR: 83.00 (76.00, 85.00) points vs. 74.00 (70.75, 80.00) points, P=0.030). Multivariate logistic regression confirmed the full-cycle management system as an independent predictor for the above improved outcomes (all P<0.05). Conclusion:Smart healthcare-based full-cycle management improves cardiac function and quality of life in mitral regurgitation patients after TEER, demonstrating lower rates of major endpoint events compared to usual care.

Objective To explore the effects of camellia honey on intestinal inflammation and injury induced by a high-fat diet(HFD)in Drosophila.Methods A HFD model group of fruit flies was created by feeding with standard culture medium containing 30％lard.Each camellia honey groups were fed the same high-fat medium containing different concentrations of camellia honey.The body mass,eclosion rate,climbing ability,size of lipid droplets,and levels of intestinal reactive oxygen species in adult flies were measured and analyzed.Results Compared with the model group,each camellia honey groups showed significant improvements.Specifically,camellia honey ameliorated the following HFD-induced alterations:decline in eclosion rate,increase in pupal volume,increase in adult average body mass,decrease in adult climbing ability,enlargement of the lipid droplet area,elevation in intestinal ROS levels,and intestinal damage.Conclusions Camellia honey improved the growth and development,intestinal inflammation,and injury induced by a HFD in Drosophila.

Objective:To investigate the inhibitory effect of Xiaojianzhong Granule(XJZG)on food allergy(FA)and related mecha-nisms in terms of gut microbiota,zonula occluden-1(ZO-1),and Occludin.Methods:A total of 24 specific pathogen-free female BALB/c mice were randomly divided into normal group,model group,prevention group,and treatment group,with 6 mice in each group.The mice in the prevention group were given XJZG by gavage at a standard dose of 5.85 g/kg/day from 3 days before the first challenge till 4 hours before the last challenge;the mice in the treatment group were given XJZG at the double dose for 3 days based on the allergy score;the mice in the other groups were given an equal volume of distilled water by gavage.At the end of the experiment,al-lergy score and anal temperature were measured;flow cytometry was used to measure eosinophils and mast cells in mesenteric lymph nodes(MLNs);toluidine blue staining was performed for mast cells in jejunal tissue;immunohistochemistry was used to measure the expression of ZO-1 and Occludin;16S rRNA sequencing was per-formed to analyze the microbiota in the intestinal content;high-performance liquid chromatography-mass spectrometry was used to measure the content of short-chain fatty acids(SCFAs)in jejunal lavage fluid.Results:Compared with the model group,the prevention group and the treatment group had significant reductions in al-lergy score(P=0.000,P=0.000),anal temperature(P=0.002,P=0.000),the proportion of eosinophils and mast cells in MLNs(P<0.05),and mast cell infiltration in jejunal tissue(P=0.000,P=0.000).Compared with the normal group,the model group had signifi-cant increases in the relative abundances of Erysipelaceae and Turicibacter,while the prevention group and the treatment group had disappearance of Erysipelaceae and Turicibacter and an increase in the relative abundance of Porphyromonadaceae.Compared with the normal group,the model group had a significant reduction in the content of propionate in jejunal lavage fluid(P=0.014),and compared with the model group,the prevention group had a significant increase in the content of propionate in jejunal lavage fluid(P=0.024),as well as a significant increase in the treatment group(P=0.008).In the model group,the expression of ZO-1 was downregulated(P=0.010),and the expression of Occludin was significantly downregulated(P=0.002),while the expression of ZO-1 and Occludin re-turned to normal levels in the prevention group and the treatment group(P=0.001,P=0.013;P=0.025,P=0.015).Conclusion:XJZG can change the composition and abundance of gut microbiota,increase the concentration of SCFAs,upregulate the expression of ZO-1 and Occludin,promote the repair of intestinal barrier,and inhibit food allergy.

Lung cancer is the leading cause of cancer-related deaths worldwide. Radiation pneumonitis is a major complication in lung cancer radiotherapy. Four-dimensional computed tomography (4DCT) imaging provides dynamic ventilation information, which is valuable for lung function assessment and radiation pneumonitis prevention. Many methods have been developed to calculate lung ventilation from 4DCT, but a systematic comparison is lacking. Prediction of radiation pneumonitis using 4DCT-based ventilation is still in an early stage, and no comprehensive review exists. This paper presented the first systematic comparison of functional lung ventilation algorithms based on 4DCT over the past 15 years, highlighting their clinical value and limitations. It then reviewed multimodal approaches combining 4DCT ventilation imaging, dose metrics, and clinical data for radiation pneumonitis prediction. Finally, it summarized current research and future directions of 4DCT in lung cancer radiotherapy, offering insights for clinical practice and further studies.
Humans ; Lung Neoplasms/diagnostic imaging* ; Four-Dimensional Computed Tomography/methods* ; Radiation Pneumonitis/etiology* ; Algorithms ; Lung/radiation effects* ; Pulmonary Ventilation

Objective:To explore the advantages of internet-based smart healthcare for full-cycle transcatheter edge-to-edge repair (TEER) management in reducing postoperative adverse events rate, improving cardiac function, and enhancing quality of life.Methods:This retrospective study enrolled patients with mitral regurgitation who underwent transcatheter TEER at Beijing Anzhen Hospital Valve Intervention Center between June 2021 and September 2023. Patients were classified into degeneration mitral regurgitation (DMR) and functional mitral regurgitation (FMR) according to etiology, with further stratification by enrollment period into usual care group (June 2021 to October 2022) and full-cycle management group (November 2022 to September 2023). The 1-year postoperative follow-up data were collected and compared between subgroups with the same etiology. Kaplan-Meier survival curves were plotted, and log-rank tests were used to compare the differences in major endpoint event-free survival rates between the two groups. Univariate and multivariate Cox regression and logistic regression analyses were performed to evaluate the impact of the full-cycle management system on patients′ outcomes.Results:A total of 130 patients were included, aged (72.0±8.6) years, including 82 (63%) males. DMR was identified in 84 cases (40 in the usual care group and 44 in the full-cycle management group), while FMR was observed in 46 cases (27 in the usual care group and 19 in the full-cycle management group). Kaplan-Meier analysis demonstrated higher 1-year major endpoint event-free survival rates in the full-cycle management group compared to the usual care group, though the difference was not statistically significant (log-rank P>0.05). Compared to the usual care group, the full-cycle management group showed significantly higher proportions of New York Heart Association classification Ⅰ-Ⅱ patients (DMR: 67% vs. 52%, P=0.031; FMR: 68% vs. 52%, P=0.021), greater 6-minute walking distances (DMR: (346.39±70.41) m vs. (294.11±60.47) m, P=0.012; FMR: (356.60±54.68) m vs. (318.55±39.02) m, P=0.004), and superior Kansas City Cardiomyopathy Questionnaire scores (DMR: 81.50 (74.50, 85.00) points vs. 71.00 (66.00, 82.25) points, P=0.014; FMR: 83.00 (76.00, 85.00) points vs. 74.00 (70.75, 80.00) points, P=0.030). Multivariate logistic regression confirmed the full-cycle management system as an independent predictor for the above improved outcomes (all P<0.05). Conclusion:Smart healthcare-based full-cycle management improves cardiac function and quality of life in mitral regurgitation patients after TEER, demonstrating lower rates of major endpoint events compared to usual care.

This study investigated the characteristics and frequency of perioperative anaphylactic shock induced by cefuroxime, so as to provide a reference for the safe and rational use of cefuroxime in the perioperative period. Cases of perioperative anaphylactic shock caused by cefuroxime in our hospital from 2011 to 2021 were extracted from the Adverse Drug Reaction Monitoring System. Literature reporting adverse drug reactions (ADR) including cefuroxime-induced anaphylactic shock in perioperative settings was collected from the CNKI, VIP, Wanfang, PubMed, and Web of Science databases from their respective inception to May 2022. Statistical analysis was performed for all cases of cefuroxime-induced perioperative anaphylactic shock. A total of 31 patients were included [13 men (48.1%) and 14 women (51.9%)], most of whom were over 60 years old ( n=16, 59.3%); 9 (29.0%) patients had a history of drug allergy; 5 (16.1%) patients had received skin tests, but with negative results; 28 (90.3%) patients received treatment intravenously; 22 (71.0%) patients were treated after anesthesia. For 20 (64.5%) patients the ADR occurred within 10 minutes after anesthesia. The main manifestations were hypotension, dyspnea, rash, and tachycardia. For all patients, symptoms resolved after withdrawal of the drug and active rescue, and there were no deaths. A history of allergy and skin test findings may have limitations in predicting perioperative anaphylactic shock caused by cefuroxime; greater vigilance should be exercised when using cefuroxime in the perioperative period. Close monitoring is recommended for patients undergoing treatment with cefuroxime. Rescue therapy should be administered for allergic shock, and suitable response measures must be taken in a timely manner to ensure the safety of patients.

Objective To investigate the effects of clearing meibomian gland ducts prior to cataract surgery on the gland dysfunction and dry eye induced by surgery.Methods A prospective,randomized controlled trial was conducted on 110 patients(110 eyes)undergoing elective cataract surgery for senile cataract in our department from June 1,to December 31,2021.The participants were randomly allocated into treatment(n=56)and control(n=54)groups.The patients from the treatment group were given eyelid compresses and cleaning to remove an obstructed meibum in 1 week prior to cataract surgery,while those from the control group received no such treatment.Ocular surface disease index(OSDI),indicators related to meibomian gland function,including tear film lipid layer thickness(LLT),meibomian glands yielding liquid secretion(MGYLS),meibomian glands yielding secretion score(MGYSS),and tear film break-up time(TBUT)before,and 1 and 3 months after surgery were employed to evaluate the efficacy of clearing meibomian gland ducts.Results The control group exhibited significantly decreased MGYLS(P＜0.05),increased MGYSS(P＜0.01),thinner LLT(P＜0.01),shorter TBUT,worsened dry eye symptoms,and elevated OSDI score(P＜0.05)in 1 month after surgery.Conversely,the treatment group showed significantly improved MGYLS(P＜0.01),decreased MGYSS(P＜0.01),thicker LLT,extended TBUT,and improved subjective outcomes reported on OSDI.Conclusion Our preoperative meibomian gland treatment prior to cataract surgery may be a safe and effective intervention for relieving dry eye and meibomian gland dysfunction induced by surgery.