1.Jianpi Yiqi Prescription Inhibits Proliferation and Invasion of Hepatic Carcinoma Cells by Targeting PTPN1
Shanshan SUN ; Jing HONG ; Shufan SONG ; Zongxi SUN ; Chao WANG ; Shaoyuan ZHUO
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(3):80-88
ObjectiveTo investigate the key targets of Jianpi Yiqi prescription (JYP) in the treatment of hepatocellular carcinoma (HCC) based on network pharmacology and explore the effect of JYP on the invasion and proliferation of hepatocellular carcinoma cells via protein tyrosine phosphatase, non-receptor type 1 (PTPN1) by bioinformatics analysis and CRISPR/Cas9. MethodsThe potential targets of JYP in the treatment of HCC were retrieved from the Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform (TCMSP), SwissTargetPrediction, GeneCards, NCBI, and CTD. Additionally, the active components of JYP that could interact with PTPN1 were screened out, and then molecular docking between the targets and active components was performed in Autodock 4.0. UALCAN, HPA, and LinkedOmics were used to analyze the expression of PTPN1 in the HCC tissue, and the relationship of PTPN1 expression with the overall survival (OS) of HCC patients was discussed. CRISPR/Cas9 was used to knock down the expression of PTPN1 in HepG2 and SK-hep-1 cells, and the knockdown effect was examined by sequencing, Real-time PCR, and Western blot. HepG2 cells were classified into blank control, low-, medium-, and high-dose JYP (5.25, 10.5, 21 g·kg-1), and PTPN1 knockout groups. Real-time PCR and Western blot were employed to determine the mRNA and protein levels, respectively, of PTPN1 in HepG2 cells of each group. The effects of JYP and PTPN1 knockdown on the proliferation, invasion, and apoptosis of HepG2 cells were detected by Cell Counting Kit-8 (CCK-8), Transwell, and Annexin V-FITC/PI methods, respectively. ResultsJYP had the most active components targeting PTPN1, and 31 of the active components had the binding energy less than -5.0 kcal·mol-1 in molecular docking. The mRNA and protein levels of PTPN1 in the HCC tissue were higher than those in the normal tissue (P<0.01). Compared with that in the normal tissue, the mRNA level of PTPN1 in the HCC tissue was up-regulated at the pathological stages Ⅰ-Ⅲ and grades G1-G3 (P<0.01), and it was not significantly up-regulated at the stage Ⅳ or grade G4. The mRNA level of PTPN1 in the TP53-mutated HCC tissue was higher than that in the TP53-unmutated HCC tissue (P<0.01). The high mRNA level of PTPN1 was associated with the OS reduction (P<0.01). After treatment with the JYP-containing serum or knockdown of PTPN1, HepG2 cells demonstrated decreased proliferation and invasion and increased apoptosis (P<0.01). ConclusionPTPN1 may be one of the core targets of JYP in the treatment of HCC. It is highly expressed in the HCC tissue and cells, which is associated with the poor prognosis of patients. The expression level of PTPN1 is significantly up-regulated in the HCC tissue of the patients with TP53 mutation. However, TP53 mutation or deletion does not affect the expression of PTPN1 in HCC cells. JYP can significantly down-regulate the expression of PTPN1 to inhibit the proliferation and invasion and promote the apoptosis of HCC cells.
2.Effects of insulin-like growth factor-1 on the mechanism of myopia-related factors secreted by human scleral fibroblasts
Rongrong CHAO ; Zhixiang DING ; Jing FAN ; Liu ZHENG
International Eye Science 2025;25(2):198-205
AIM: To investigate the effects of insulin-like growth factor 1(IGF-1)on the secretion of transforming growth factor β2(TGF-β2), matrix metalloproteinase 2(MMP-2)and hypoxia-inducible factor 1α(HIF-1α)in human scleral fibroblasts(HSF)and their mechanism.METHODS: The cells were cultured with IGF-1 and PI3K/AKT pathway inhibitor LY294002, respectively. CCK-8 method was used to detect cell viability and determine the optimal concentration and time of drug action. Cell migration activity was observed by cell scratch method. To determine the effects of IGF-1 on HSF cells and the regulatory role of PI3K/AKT pathway, HSF cells were divided into control group(without drugs), IGF-1(80 μg/L)group, IGF-1+LY294002(80 μg/L+5 mmol/L)group, and LY294002(5 mmol/L)group, and were cultured for 24 h; the protein expression levels of TGF-β2, MMP-2, HIF-1α, PI3K and AKT were detected by Western blot; the fluorescence expression of TGF-β2, MMP-2 and HIF-1α was detected by cellular immunofluorescence.RESULTS: The results of CCK-8 showed that the cell viability of the 80 μg/L IGF-1 group cultured with different concentrations of IGF-1 was the highest(all P<0.05), and the cell viability of the 80 μg/L IGF-1 group at 24 h was the highest under different culture times. Therefore, the concentration of IGF-1 was selected as 80 μg/L for 24 h. The viability of cells cultured with different concentrations of LY294002 gradually decreased from 6 h(all P<0.05). According to the IC50 value, therefore, the concentration of LY294002 was selected as 5 mmol/L for 24 h. The cell scratch results showed that compared with the control group, the cell mobility of 40 μg/L and 80 μg/L IGF-1 groups was increased(all P<0.05). Compared with the control group, cell mobility in the 2.5 and 5 mmol/L LY294002 groups was decreased(all P<0.05). Western blot results showed that compared with the control group, the protein expressions of TGF-β2, MMP-2, HIF-1α, PI3K and AKT in the IGF-1 group were increased, while those in the LY294002 group were decreased(all P<0.05). Compared with the IGF-1 group, the expression levels of TGF-β2, MMP-2, HIF-1α, PI3K and AKT in the IGF-1+LY294002 group were decreased(all P<0.05). The results of cell immunofluorescence showed that compared with the control group, the fluorescence expressions of TGF-β2, MMP-2 and HIF-1α in the IGF-1 group were increased, while those in the LY294002 group were decreased(all P<0.05). Compared with the IGF-1 group, the fluorescence expressions of TGF-β2, MMP-2 and HIF-1α in the IGF-1+LY294002 group were significantly decreased(all P<0.05).CONCLUSION: IGF-1 promoted the proliferation and migration of human HSF. IGF-1 may up-regulate the expression of TGF-β2, MMP-2 and HIF-1α in HSF through the PI3K/AKT signaling pathway, and participate in the occurrence and development of myopia.
3.Percutaneous coronary intervention vs . medical therapy in patients on dialysis with coronary artery disease in China.
Enmin XIE ; Yaxin WU ; Zixiang YE ; Yong HE ; Hesong ZENG ; Jianfang LUO ; Mulei CHEN ; Wenyue PANG ; Yanmin XU ; Chuanyu GAO ; Xiaogang GUO ; Lin CAI ; Qingwei JI ; Yining YANG ; Di WU ; Yiqiang YUAN ; Jing WAN ; Yuliang MA ; Jun ZHANG ; Zhimin DU ; Qing YANG ; Jinsong CHENG ; Chunhua DING ; Xiang MA ; Chunlin YIN ; Zeyuan FAN ; Qiang TANG ; Yue LI ; Lihua SUN ; Chengzhi LU ; Jufang CHI ; Zhuhua YAO ; Yanxiang GAO ; Changan YU ; Jingyi REN ; Jingang ZHENG
Chinese Medical Journal 2025;138(3):301-310
BACKGROUND:
The available evidence regarding the benefits of percutaneous coronary intervention (PCI) on patients receiving dialysis with coronary artery disease (CAD) is limited and inconsistent. This study aimed to evaluate the association between PCI and clinical outcomes as compared with medical therapy alone in patients undergoing dialysis with CAD in China.
METHODS:
This multicenter, retrospective study was conducted in 30 tertiary medical centers across 12 provinces in China from January 2015 to June 2021 to include patients on dialysis with CAD. The primary outcome was major adverse cardiovascular events (MACE), defined as a composite of cardiovascular death, non-fatal myocardial infarction, and non-fatal stroke. Secondary outcomes included all-cause death, the individual components of MACE, and Bleeding Academic Research Consortium criteria types 2, 3, or 5 bleeding. Multivariable Cox proportional hazard models were used to assess the association between PCI and outcomes. Inverse probability of treatment weighting (IPTW) and propensity score matching (PSM) were performed to account for potential between-group differences.
RESULTS:
Of the 1146 patients on dialysis with significant CAD, 821 (71.6%) underwent PCI. After a median follow-up of 23.0 months, PCI was associated with a 43.0% significantly lower risk for MACE (33.9% [ n = 278] vs . 43.7% [ n = 142]; adjusted hazards ratio 0.57, 95% confidence interval 0.45-0.71), along with a slightly increased risk for bleeding outcomes that did not reach statistical significance (11.1% vs . 8.3%; adjusted hazards ratio 1.31, 95% confidence interval, 0.82-2.11). Furthermore, PCI was associated with a significant reduction in all-cause and cardiovascular mortalities. Subgroup analysis did not modify the association of PCI with patient outcomes. These primary findings were consistent across IPTW, PSM, and competing risk analyses.
CONCLUSION
This study indicated that PCI in patients on dialysis with CAD was significantly associated with lower MACE and mortality when comparing with those with medical therapy alone, albeit with a slightly increased risk for bleeding events that did not reach statistical significance.
Humans
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Percutaneous Coronary Intervention/methods*
;
Male
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Female
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Coronary Artery Disease/drug therapy*
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Retrospective Studies
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Renal Dialysis/methods*
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Middle Aged
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Aged
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China
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Proportional Hazards Models
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Treatment Outcome
4.Case analysis of occupational disease diagnosis appraisal in Shanghai from 2012 to 2024
Ran ZHUANG ; Tingting DOU ; Jing QU ; Tongning GAO ; Lili PU ; Yan YIN
Journal of Environmental and Occupational Medicine 2025;42(7):822-826
Background Occupational disease diagnosis appraisal is an appeal procedure initiated when a party disagrees with the occupational disease diagnosis conclusion. It is a legal procedure to safeguard the health rights of employees and the legitimate rights and interests of employers. Objective To analyze the data of occupational disease diagnosis appraisal in Shanghai, identify existing problems, and provide suggestions for improving. Methods Statistical analysis was conducted on basic situation, characteristics of workers and employers, disease classification, and consistency between diagnosis and appraisal conclusions of all occupational disease diagnosis appraisal cases from 2012 to 2024. All diagnosis conclusions were named in accordance with the Classified Catalogue of Occupational Diseases included employers were classified according to the Measures for the Statistical Classification of Large, Medium, Small and Micro Enterprises" and the Notice on Adjusting the Provisions for Classifying Enterprise Registration Types; industry classification followed the Industrial Classification for National Economic Activities (GB/T 4754-2017). Results From 2012 to 2024, a total of 260 cases of occupational diseases diagnosis appraisal were closed. The main diagnosis were 138 cases of ear, nose, throat, and oral diseases (53.1%), chemical poisoning (18.8%), and pneumoconiosis and other respiratory diseases (16.2%). The proportion of ear, nose, throat, and oral diseases gradually increased (2022 excluded). The incidence of annual municipal and provincial cases decreased by 76.3% and 85.0% respectively (2024 vs 2012). The consistency rate of conclusions between appraisal and diagnosis gradually increased. The total consistency rates between final appraisals and diagnostic conclusions were 81.5%, and 79.7%, 87.8%, 100.0%, 85.0% for ear, nose, throat, and oral diseases, chemical poisoning, and pneumoconiosis and other respiratory system diseases, respectively. Specifically, the consistency rates were 80.1% and 80.0% for noise-induced deafness and chronic benzene poisoning. In terms of inconsistency reasons, "inconsistent interpretation of standards and excessive discretion in standard application" accounted for 43.8%, followed by "failure to correctly apply standards" (31.3%) and and "discrepancies in occupational exposure history recognition" (15.6%). Conclusion The revisions and improvements of the legal system for occupational disease diagnosis appraisal have played a positive role in improving the consistency of conclusions between appraisal and diagnosis of occupational diseases in Shanghai. It is suggested to further strengthening the publicity and training of occupational disease diagnosis standards to improve the quality of occupational disease diagnosis.
5.Improvement of quality standards for Zhuang medicine Yingbupu (Aralia armata)
Xiangpei ZHAO ; Jieying SU ; Tao XU ; Jing LIANG ; Yanjing LI ; Mei YANG
China Pharmacy 2025;36(21):2645-2650
OBJECTIVE To improve the quality standard of Zhuang medicine Yingbupu (Aralia armata). METHODS A total of 23 batches of Yingbupu (A. armata) were studied. Their macroscopic characteristics and powder microscopic features were observed. TLC was employed for the qualitative identification of oleanolic acid and araloside A. Items such as water content, total ash, acid-insoluble ash, and ethanol-soluble extract were determined according to the methods specified in the 2020 edition of the Chinese Pharmacopoeia (part Ⅳ). UPLC fingerprint was established for 23 batches of samples by using Similarity Evaluation System for Chromatographic Fingerprints of Traditional Chinese Medicine (2012 edition), and the contents of oleanolic acid and araloside A were determined. RESULTS The powder microscopic characteristics of the medicinal material were distinctive. Oleanolic acid and araloside A were detected by TLC in all 23 batches. Among the 23 batches of samples, the content ranges of moisture, total ash, acid-insoluble ash, and ethanol-soluble extract were 6.9% to 10.4%, 1.8% to 6.8%, 0.1% to 1.9%, and 2.8% to 8.4%, respectively. Based on the UPLC fingerprint, a total of 15 common peaks were obtained, and 9 of these common peaks were identified. The content ranges of oleanolic acid and araloside A in the 23 batches of samples were 0.86% to 2.69% and 0.16% to 1.10%, respectively. CONCLUSIONS This study has added items such as moisture and total ash content fingerprint, TLC identification. A preliminary quality standard has been established for the medicinal material of Yingbupu (A. armata), stipulating that the moisture content should not exceed 11.0%, the total ash content should not exceed 5.0%, the acid-insoluble ash content should not exceed 2.5%, the ethanol-soluble extract(No. content should not be less than 4.0%, and the contents of zyyzdxk-2023165) oleanolic acid and araloside A should not be less than 1.00% and 0.45%( calculated by a dried basis), respectively.
6.Epidemiological characteristics of mumps in Guangxi in 2012-2024
Jiagui CHEN ; Qiuyun DENG ; Rencong YANG ; Jing LIU ; Sha LI ; Ying HUANG ; Jianan WEI ; Jinfa DU
Journal of Public Health and Preventive Medicine 2025;36(6):21-24
Objective To analyze the epidemiological characteristics of mumps in Guangxi from 2012 to 2024, and to provide a scientific basis for formulating prevention and control strategies. Methods Descriptive epidemiological methods were used to analyze the incidence data of mumps in Guangxi from 2012 to 2024. Results A total of 159 873 mumps cases were reported from 2012 to 2024 in Guangxi, with an average annual reported incidence of 25.41/100 000, and no death. Mumps occurred every month, with the peak incidence mainly concentrated in April to July and October to January of the next year. There were 96,118 male cases (29.43 /100 000), and 63 755 female cases (21.07 /100 000). The male to female ratio was 1.40:1, and the difference between male and female was significant (χ2=4 321.276,P<0.05). The annual incidence of mumps showed a certain periodic change, with the incidence peak and trough alternating every 4 - 5 years. The majority of patients were under 15 years old, accounting for 85.32% of the total number of cases. The patients mainly included students, preschool children and scattered children. The highest average incidence was in Nanning City with 40 231 cases (42.08/100 000), and the lowest was in Qinzhou City with 3 466 cases (8.16/100 000). From 2012 to 2024, a total of 210 mumps outbreaks with 4 483 cases were reported in Guangxi. Conclusion The incidence of mumps in Guangxi from 2012 to 2024 shows a periodic change and obvious seasonality. People under 15 years old are the key group at risk of mumps. The prevention and control of the epidemic of mumps in schools and kindergartens should be strengthened. It is suggested to carry out long-term monitoring of mumps as well as immune effect research, and continue to maintain a high vaccination rate of 2 doses of mumps-containing vaccines.
7.Efficacy of phacoemulsification with corneoscleral limbus incision in the treatment of cataract
Jing KANG ; Zhuang MA ; Yuancheng MA
International Eye Science 2025;25(5):808-812
AIM: To observe the effect of phacoemulsification with corneoscleral limbus incision on cataract.METHODS: Prospective study. A total of 84 cases(84 eyes)of cataract patients admitted to our hospital from October 2021 to December 2022 were randomly grouped into two groups using the random number table method. The control group consisted of 42 cases(42 eyes)that underwent phacoemulsification with upper transparent corneal incision, while the study group consisted of 42 cases(42 eyes)that underwent phacoemulsification with corneoscleral limbus incision. The uncorrected visual acuity, astigmatism, ocular surface function, corneal sensitivity, and complications were compared between the two groups.RESULTS: There was a statistically significant difference in uncorrected visual acuity between the two groups of patients before and after surgery, as well as over time(both P<0.05). The uncorrected visual acuity of both groups showed a decreasing trend before and after surgery at 4 and 12 wk(both P<0.05). There were statistically significant differences in preoperative and postoperative astigmatism and corneal fluorescein staining(FLS)scores between the two groups of patients, as well as at different time points(both P<0.05). The astigmatism and FLS scores of the two groups of patients showed a trend of first increasing and then decreasing before and after surgery at 4 and 12 wk(both P<0.05). There was a statistically significant difference in breakup time of tear film(BUT)between the two groups of patients before and after surgery(both P<0.05); the BUT of both groups of patients showed a trend of first decreasing and then increasing before and after surgery at 4 and 12 wk(both P<0.05). There was a statistically significant difference in the Schirmer Ⅰ test(SⅠt), upper corneal sensitivity, and central corneal sensitivity between the two groups of patients before and after surgery, as well as at different times(all P<0.05). The SⅠt, upper corneal sensitivity, and central corneal sensitivity of the two groups of patients showed a trend of first decreasing and then increasing before and after surgery at 4 and 12 wk(all P<0.05). There was no significant difference in the total incidence of complications between the control group(12%, 5/42)and the study group(14%, 6/42; χ2=0.105, P=0.746).CONCLUSION: Compared to the phacoemulsification with upper transparent corneal incision, the phacoemulsification with corneoscleral limbus incision can reduce the adverse effects on uncorrected visual acuity, astigmatism, ocular surface function, and corneal sensitivity in patients with cataract, and does not increase the incidence of complications.
8.Exploration on the Protective Effects and Mechanisms of Modified Shenqi Dihuang Decoction on Podocytes in db/db Mice Based on ROS/NLRP3/GSDMD Signaling Pathway
Guiyan SUN ; Mingzhe LI ; Yan SHI ; Xiaoyan ZHUANG ; Xiaonan DUAN ; Moyan ZHANG ; Zhihan LEI ; Chunhui ZHANG ; Guanqi YANG ; Yufeng YANG ; Jing LYU
Chinese Journal of Information on Traditional Chinese Medicine 2025;32(11):123-132
Objective To explore the protective effect and possible mechanism of modified Shenqi Dihuang Decoction on podocytes in db/db mice based on ROS/NLRP3/GSDMD signaling pathway.Methods Fifty 8-week-old male db/db mice(SPF grade)were randomly divided into the model group,losartan group and TCM low-,medium-and high-dosage groups,with 10 mice in each group.Ten heterozygous db/m mice served as the blank group.Interventions were administered respectively for 12 weeks.The body mass,random blood glucose,serum creatinine,blood urea nitrogen and 24 h urinary protein content were detected,HE,PAS,PASM,Masson and Sirius red staining was used to observe the morphology of renal tissue,transmission electron microscopy was used to observe the ultrastructure of renal tissue,fluorescent probes were used to observe the release of ROS in renal tissue,immunofluorescence staining was used to detect the expression of Nephrin,NLRP3,Cleaved Caspase-1 and GSDMD-N in renal tissue,and Western blot was used to detect the expression of NLRP3,Cleaved Caspase-1,GSDMD-N,IL-1β,IL-18,Nephrin,Podocin,PODXL,WT-1 and Desmin proteins.Results Compared with the blank group,the body mass and random blood glucose of the model group mice significantly increased(P<0.05),and the contents of serum creatinine,blood urea nitrogen and 24 h urinary protein were significantly increased(P<0.05);glomerular hypertrophy,dilation of renal glomeruli and tubules,thickening of basement membrane,matrix proliferation in mesangial area,abnormal deposition of collagen fibers in renal interstitium,accompanied by damage to renal tubular epithelial structure and focal glomerulosclerosis,significant increase in type Ⅰ collagen deposition,extensive fusion of podocyte processes,and scattered electron dense material in the basement membrane or subepithelial layer;the ROS content in renal tissue significantly increased(P<0.05),and the protein expression of NLRP3,Cleaved Caspase-1,GSDMD-N,IL-1β,IL-18 and Desmin significantly increased(P<0.05),the protein expression of Nephrin,Podocin,PODXL and WT1 significantly decreased(P<0.05).Compared with the model group,the body mass and random blood glucose of mice in each dosage of TCM group were relatively stable,the contents of serum creatinine,blood urea nitrogen and 24 h urinary protein decreased;the pathological damage to renal tissue was reduced,the ultrastructure of podocytes was improved,and the density of podocytes increased;the ROS content decreased,and the protein expression of NLRP3,Cleaved Caspase-1,GSDMD-N,IL-1β,IL-18 and Desmin decreased,while the protein expression of Nephrin,Podocin,WT1 and PODXL increased.With the dosage of modified Shenqi Dihuang Decoction increased,the improvement effect gradually strengthened,and the differences in TCM high-dose group was statistically significant(P<0.05).Conclusion Modified Shenqi Dihuang Decoction can protects podocytes in db/db mice,potentially by modulating the ROS/NLRP3/GSDMD signaling pathway.
9.Application of eye tracking techniques in ICU patients with aphasia:a scoping review
Zhenzhen HUANG ; Weijing SUI ; Jing DONG ; Junru ZHANG ; Chuchu ZHANG ; Hongting ZHOU ; Jiayu ZHANG ; Na ZHANG ; Yiyu ZHUANG
Chinese Journal of Nursing 2025;60(6):757-763
Objective This review aims to investigate the application of eye tracking(ET)in patients with speech impairment in the ICU.The review summarizes the current status and prospects of ET technology applications.Methods Following the scoping reviews framework,a systematic search was conducted across Web of Science,PubMed,Cochrane Library,Embase,CINAHL,CNKI,Wanfang Data,Chinese Medical Database,and Chinese biomedical database.The search covered publications from the inception of each database to October 29th,2024.The included studies were comprehensively analyzed.Results A total of 12 pieces of the literature were included,including 4 prospective cohort studies,4 experimental studies,3 prospective observational studies,and 1 randomized controlled trial.The application population of ET in the ICU mainly includes patients on mechanical ventilation,those at high risk of delirium,patients with spinal cord injury,etc.The types of integrated ET system equipment are mainly head-mounted and fixed;the types of ET involve gaze,blinking,etc.;the functions include standardized scale assessment,free interaction,and eye-movement model recognition.The main outcome indicators of the research are feasibility,physical symptoms and social-psychological status.Conclusion ET is applicable to a specific group of ICU patients with aphasia,and has shown good feasibility and effectiveness in the expression of patients'basic needs,self-assessment of symptoms and improvement of psychosocial status.
10.A phase Ⅲ clinical study to evaluate the efficacy and safety profile of antaitasvir phosphate combined with yiqibuvir in the treatment of adults with chronic hepatitis C
Lai WEI ; Jia SHANG ; Xuan AN ; Guoqiang ZHANG ; Yujuan GUAN ; Hongxin PIAO ; Jinglan JIN ; Lang BAI ; Xingxiang YANG ; Daokun YANG ; Xinhua LUO ; Shufang YUAN ; Yingren ZHAO ; Yingjie MA ; Guangming LI ; Feng LIN ; Xiaoping WU ; Jiawei GENG ; Guizhou ZOU ; Jiabao CHANG ; Zuojiong GONG ; Xiaorong MAO ; Jing ZHU ; Wentao GUO ; Qingwei HE ; Lin LUO ; Yulei ZHUANG ; Hongming XIE ; Yingjun ZHANG
Chinese Journal of Hepatology 2025;33(6):560-569
Objective:To assess the efficacy and safety profile of antaitasvir phosphate combined with yiqibuvir in the treatment of chronic hepatitis C (CHC) of various genotypes, without cirrhosis or with compensated cirrhosis.Methods:394 cases with CHC from 22 centers were collected from October 2021 to April 2023. They were randomly assigned to receive either the experimental drugs (antaitasvir phosphate 100 mg+yiqibuvir 600 mg) or placebo treatment in a 3∶1 ratio. The patients were administered drugs once a day for 12 consecutive weeks, and then followed up for 24 weeks after treatment cessation. All subjects were unblinded at the four-week follow-up following drug discontinuation, with the experimental drug group continuing to complete subsequent post-discontinuation follow-up. The placebo group was switched to receive the experimental drugs for a repeated 12-week treatment period and followed up for another 24 weeks after discontinuation of the drug (placebo delayed treatment phase).The sustained virologic response rate (SVR12) was observed for subjects in the double-blind phase and the placebo delayed-treatment phase at 12 weeks after treatment cessation.Virological resistance analysis was performed on subjects who failed treatment. The primary efficacy endpoint was SVR12. The number and percentage of subjects who achieved "HCV RNA


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