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    Standards for Drug Safety Signal Detection Using Individual Case Safety Reports in Pharmacovigilance
    LIANG Jizhou, CHEN Chenxin, BAI Wangyang, GUO Xiaojing, XU Jinfang, HE Jia, YE Xiaofei
    Chinese Journal of Pharmacovigilance    2024, 21 (11): 1280-1283.   DOI: 10.19803/j.1672-8629.20240471
    Abstract768)      PDF(pc) (1223KB)(780)       Save
    Objective To analyze and interpret the READUS-PV standard for drug safety signal detection based on individual safety reports in pharmacovigilance so as to provide references for related research in China. Methods The reporting of a disproportionality analysis for drug safety signal detection using individual case safety reports in pharmacovigilance (READUS-PV) jointly delivered by experts in pharmacovigilance worldwide was analyzed and interpreted. Results READUS-PV included 14 items concerning the title, introduction, methods, results, discussion, declaration and abstracts. Conclusion In actual drug safety signal detection research, READUS-PV can be consulted to improve research quality.
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    Discovery and identification strategy for drug safety risks based on big data monitoring of adverse reactions
    GAO Yunjuan, ZHAO Xu, BAI Tiankai, BAI Zhaofang, WANG Jiabo, SONG Haibo, XIAO Xiaohe
    Chinese Journal of Pharmacovigilance    2024, 21 (1): 1-5.   DOI: 10.19803/j.1672-8629.20230772
    Abstract749)      PDF(pc) (1327KB)(801)       Save
    Objective To explore how to quickly discover and accurately identify drug safety risks from a vast number of adverse reaction reports from domestic and foreign Chinese and Western medicines. The aim is also to make scientific and effective predictions and control measures for these risks. Methods Drug-induced liver injury data was taken as an example, and the process of discovering, evaluating, confirming, and controlling risks associated with drugs were discussed. Results A preliminary exploration was conducted, leading to the establishment of an integrated strategy and method system for “large-scale adverse reaction monitoring and discovery - multi-model recognition and analysis- disease-symptom-toxicology verification.” This system has been successfully applied in identifying and analyzing drug-induced liver injury. Conclusion This strategy offers a fresh perspective for the continuous development and innovation of drug safety evaluation. It also provides technical support for ensuring public safety in medication and promoting the healthy development of the Chinese and Western medicine industry.
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    Regulation of cellular and gene therapies at home and abroad
    ZHAO Peipei, WEN Baoshu
    Chinese Journal of Pharmacovigilance    2024, 21 (9): 1019-1024.   DOI: 10.19803/j.1672-8629.20240160
    Abstract637)      PDF(pc) (1350KB)(679)       Save
    Objective To give tips about how to improve the regulation of cellular and gene therapies in China and promote high-quality development of the industry. Methods The ways in which cellular and gene therapy products were regulated in the US, Japan and Europe were compared by reviewing regulations and literature. The implications for China were analyzed in the light of actual regulation in China and the needs of industrial development. Results and Conclusion Based on the current practices related to the review and approval of cellular and gene therapies in China and by learning from the regulatory models and review process designs of the United States, Japan and Europe, China's regulatory system can be upgraded by means of innovative regulatory concepts, integration of review resources, more international exchanges and cooperation as well as intensified efforts.
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    Management of individual adverse drug reaction reports
    LI Xiaozhu, WANG Qiang, PANG Yu, ZHANG Yijing
    Chinese Journal of Pharmacovigilance    2023, 20 (9): 975-977.   DOI: 10.19803/j.1672-8629.20230264
    Abstract633)      PDF(pc) (1185KB)(847)       Save
    Objective To summarize and analyze the key points of ways in which individual case safety reports (ICSRs) are managed by referring to domestic and overseas laws and regulations in order to assist marketing authorization holders (MAHs) in handling ICSRs. Methods Based on a review of related literature and regulations at home and abroad, the whole process of ICSR management was introduced. Speaking from experience, we discussed the problems that were worthy of attention in the course of ICSR management. Results and Conclusion ICSRs underline pharmacovigilance by MAHs, who should collect, process, and submit ICSRs in accordance with related laws and regulations.
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    Methods for signal management using the global safety database VigiBase
    HJELMSTRÖM Peter, BOWRING Geoffrey, YUE Qun-Ying, NORÉN G. Niklas
    Chinese Journal of Pharmacovigilance    2024, 21 (7): 836-840.   DOI: 10.19803/j.1672-8629.20240373
    Abstract633)      PDF(pc) (1584KB)(536)       Save
    The WHO database of adverse event reports for medicines and vaccines, VigiBase, has been developed and maintained by UMC since 1978. VigiBase now holds over 39 million anonymised reports of suspected adverse effects of medicines and vaccines suffered by patients (as of June 2024). To support of members of the WHO Programme for International Drug Monitoring (WHO PIDM) in developing, implementing, and strengthening safety surveillance programmes, UMC has developed several systems, tools and methods to facilitate the use of VigiBase. This paper describes six such vigi Methods; vigiGrade, vigiMatch, vigiRank, vigiPoint, vigiGroup, vigiVec. VigiBase depends on unsolicited reporting of adverse drug effects and, regretfully, underreporting of adverse drug effects continues to be a major issue. Artificial intelligence methods for augmentation to increase efficiency, quality, and capability of case processing in the large databases such as VigiBase are evolving to meet the higher demands to manage the increasing volume of safety data. Continued development of existing and new methods to translate the information in the reports in VigiBase and other databases into valuable knowledge will be paramount for safer use of medicines and vaccines for patients in all countries globally.
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    Methods for Assessment of MAH Compliance with GVP
    LIU Ying, XIONG Shunyu, XIONG Huiyu, CAI Fei, XU Mengdan, WANG Qing, REN Wei, XU Yan
    Chinese Journal of Pharmacovigilance    2025, 22 (3): 282-285.   DOI: 10.19803/j.1672-8629.20240394
    Abstract603)      PDF(pc) (1207KB)(615)       Save
    Objective To explore the methods for assessment of marketing authorization holders’ (MAHs) compliance with Good Pharmacovigilance Practice (GVP) and to design an informatized assessment tool according to applications in businesses so as to provide a reference for regulators’ efficient assessment of pharmacovigilance and for self-assessment by MAHs. Methods A system of indexes for assessment of MAHs’ compliance with GVP was developed as required by pharmacovigilance and related assessment. An informatized profiling model for MAHs’ pharmacovigilance was established via data analysis technology before the assessment methods were developed that were to be designed into assessment tools used across the province on a trial basis. Results Two hundred and ninety-nine key points of indexes for assessment and rating standards were identified, so the system and methods for assessment evaluation were established. Based on the actual operations, an informazed tool was devised and an informatized profiling model for assessment was established. Conclusion The establishment of methods for assessment of GVP compliance and informatized tools provides an innovative approach by which MAHs can improve their pharmacovigilance.
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    Key points of investigation and report of suspected death of adverse drug reaction
    LIU Saiyue, LYU Xiaoqin, ZHOU Yun
    Chinese Journal of Pharmacovigilance    2023, 20 (9): 971-974.   DOI: 10.19803/j.1672-8629.20230307
    Abstract596)      PDF(pc) (1263KB)(727)       Save
    Objective To guide the drug marketing authorization holder (MAH) to standardize the investigation and report of death cases, so as to provide a basis for in-depth evaluation of drug safety. Methods This paper refers to the requirements of domestic and foreign regulatory guidelines, elaborated the key points of field investigation and internal investigation of suspected death cases of adverse drug reactions known to MAH, as well as the comprehensive analysis of death cases. Results Field investigation includes basic information of cases, drug use, adverse reactions, diagnosis and treatment of patients, and medical institutions. Internal investigation and evaluation can be carried out from the whole process of production and quality control. In addition to the investigation and disposal, the investigation report can provide comprehensive analysis and evaluation combined with the previous safety analysis of the variety. Within the prescribed time limit, the investigation content should be summarized and analyzed to form the investigation report, and submitted as required. Conclusion To standardize the investigation and report of death cases, MAH needs to improve the pharmacovigilance system, and multi-department interaction and efficient disposal, so as to provide reliable basis for risk assessment and risk control, and better guide clinical safe drug use.
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    Comparative research on active post-marketing drug safety surveillance systems worldwide based on real-world data
    SUN Yixin, NIE Xiaolu, WANG Xiaoling, GUO Peng
    Chinese Journal of Pharmacovigilance    2024, 21 (8): 892-899.   DOI: 10.19803/j.1672-8629.20240376
    Abstract586)      PDF(pc) (1301KB)(544)       Save
    Objective s To compare and analyze the active post-marketing safety surveillance practices based on real-world data (RWD) worldwide, in order to provide the reference for establishing an effective and feasible nationwide active surveillance system in China. Methods The literature on active surveillance systems around the world were searched and reviewed. The framework synthesis was used to determine the analytical framework, coding and mapping the information related to organizational structure, data characteristics, and operation mechanism. The similarities and differences of the active surveillance model were summarized. Results A total of 12 systems/organizations that conduct active surveillance based on RWD were included in this study, 9 of which are located in Europe and the United States, and in Asia. There are two Chinese systems, the China Hospital Pharmacovigilance System (CHPS) and the Adverse Drug Event Active Surveillance and Assessment System-Ⅱ (ADE-ASAS-Ⅱ). After integrating the information, the active monitoring model was summarized in six dimensions: (i) The organizational model was divided into three categories, including the government (with academia and pharmaceutical companies) led consortium, the direct government management, and the academic alliance consultation; (ii) The data integration and sharing model included the common data model, the common study protocol, and the centralized database; (iii) The data collection model could be divided into two forms: automatic collection from databases, and manual collection for target populations or specialized studies; (iv) The data management model included anonymizing, structuring and standardizing processes; (v) The data storage and transmission model can be categorized into the distributed data networks and the central database storage; (vi) Correspondingly, the data analysis model was divided into two categories: distributed computing and centralized analysis. Conclusion At present, the pattern of active surveillance for drug safety based on RWD are relatively mature in developed countries. While learning from those advanced experiences, we should also explore the active surveillance in line with the actual situation of China, to protect the medication safety of patients.
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    Risk Signal Mining of Adverse Events Related to Levothyroxine Sodium Tablets Based on FAERS
    CHEN Chongze, ZHOU Tianyu, SUN Siman, GUO Shushu, JIN Hongtao
    Chinese Journal of Pharmacovigilance    2024, 21 (12): 1425-1431.   DOI: 10.19803/j.1672-8629.20240036
    Abstract579)      PDF(pc) (1426KB)(298)       Save
    Objective To analyze the adverse drug events (ADE) caused by levothyroxine sodium tablets to provide a reference for rational and safe clinical use. Methods The U. S. Food and Drug Administration (FDA) Adverse Event Reporting System (FAERS) was searched to retrieve the ADE data on the primarily suspected drug collected from the first quarter of 2015 to the second quarter of 2023. The reporting odds ratio (ROR)、proportional reporting ratio (PRR), Bayesian confidence propagation neural network (BCNPP) and multi-item gamma poisson shrinker (MGPS) methods were used to screen for effective signals of ADEs of drugs. Results A total of 271 356 ADEs related to levothyroxine tablets as the primary suspect were reported. Most of the people involved were women (198 219, 73.05%) and the patients ranged from 18 to 85 in age (62.46%). A total of 5 991 adverse events of levothyroxine sodium tablets were mined, 3 371 signals were obtained after excluding non-drug adverse event signals, and 20 organ systems were found to be involved. Fatigue (22 511 items), nausea (17 591 items), diarrhea (16 400 items), headache (15 043 items) and dyspnea (12 866 items)were the top five ADEs reported.Analysis showed that neonatal gangrene (ROR=267.57, IC025=4.66), bronchiolithiasis (ROR=187.30, IC025=267.57), homophonic association (ROR=107.03, IC025=267.57), increased trans-triiodothyronine (ROR=89.19, IC025=4.42), and decreased free thyroxine indexes (ROR=80.27, IC025=4.38)were the top five ADEs in terms of intensities of signals. Based on secondary screening, the top three PTs related to the neonatal risk signal intensity were neonatal gangrene, neonatal intestinal dilation, and neonatal thyrotoxicosis. The top three PTs regarding the stone risk signal intensity were bronchial stones, cerebral stones, and staghorn stones. A total of 146 signals that were not recorded in the instructions were found, which were mostly manifested in various examinations, gastrointestinal system diseases, infections and invasive diseases, nervous system diseases, benign and malignant tumors of unknown nature. Conclusion Levothyroxine sodium tablets can potentially cause such ADRs as calculuses, infections and secondary tumors in patients with hypothyroidism. Clinical multidisciplinary follow-up is recommended for patients taking levothyroxine sodium tablets.
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    Brief introduction and inspiration to the WHO guidance on Ethics and Governance of Artificial Intelligence for Health
    WANG Tao, SONG Haibo, WANG Qing, HOU Yongfang, LIU Hongliang, ZHANG Lin
    Chinese Journal of Pharmacovigilance    2024, 21 (8): 906-909.   DOI: 10.19803/j.1672-8629.20230518
    Abstract575)      PDF(pc) (1244KB)(370)       Save
    Objective To systematically introduce the WHO guidance on Ethics and Governance of Artificial Intelligence for Health, as well as the status of ethics and governance of AI in medicine and health in China, other major countries and regions in the world, in order to provide a reference for formulating AI-based ethical guidelines in drug regulation in our country in the future. Methods The formulation, main contents and ethical principles of the WHO guideline were introduced. The general situation of AI ethics and governance in the medical and health field of government departments and related organization in the United States, the European Union and China through literature review and the websites of regulatory agencies was also elucidated. Results The WHO guideline elaborated 6 core ethical principles for the healthy development and use of AI in the field of medicine and health. Government departments and related organization in the United States, the European Union and China have formulated a series of policies and regulations on AI ethics and governance around the principles of fairness and justice, respect for privacy, security and control, shared responsibility, openness and transparency. Conclusion Drawing on the experience of WHO and foreign countries, it is suggested that NMPA actively formulate and implement the regulatory standards or relevant guidelines of new AI technologies in the whole life cycle of products, strengthen the transparency of artificial intelligence drugs and medical device products and other aspects to strengthen the governance of AI ethics.
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    Analysis of 327 reports of new adverse drug reactions
    ZHANG Luxin, MENG Lu, ZHANG Hong
    Chinese Journal of Pharmacovigilance    2023, 20 (10): 1159-1162.   DOI: 10.19803/j.1672-8629.20230062
    Abstract560)      PDF(pc) (1600KB)(571)       Save
    Objective To study the characteristics of new adverse drug reactions so as to provide reference for effective prevention of new adverse drug reactions. Methods Three hundred and twenty-seven reports of new adverse drug reactions were screened from 856 reports submitted by a hospital between 2019 and 2022. Results Among the 327 new ADR, 245 cases (74.92%) involved people aged 41 or older. In terms of types of drugs, 241 cases (73.70%) were associated with Western drugs and 86 cases (26.30%) with proprietary Chinese medicines. The top three drugs responsible for new ADR were Ginkgo Biloba injection, compound thromboxane tablets, and levofloxacin hydrochloride injection. There were twenty-one drug dosage forms involved, and the top three were injection, powder injection and tablets. Thirteen routes of administration were involved, including 195 cases of intravenous injection (59.63%) and 90 cases of oral administration (27.52%). The systems-organs involved were mainly skin and its accessory injury, followed by injuries to the digestive system and nervous system. Conclusion New adverse drug reactions have their own patterns of occurrence, and targeted monitoring of new adverse drug reactions can improve the level of rational clinical use of drugs and effectively avoid the risk that arises from drug use.
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    A National Pharmacovigilance Management System in a New Era
    YANG Xuyun, SUN Yang, TIAN Chunhua, HU Zengyao
    Chinese Journal of Pharmacovigilance    2025, 22 (3): 276-281.   DOI: 10.19803/j.1672-8629.20240861
    Abstract534)      PDF(pc) (1478KB)(768)       Save
    Objective To analyze what pharmacovigilance is about in the new era and under new circumstances and summarize related experience in order to provide a reference for the construction of a national pharmacovigilance management system. Methods Based on related laws and regulations as well as the construction of systems and mechanisms, the achievements and downsides of pharmacovigilance in China were analyzed in terms of the evolution of pharmacovigilance, and ways to improve pharmacovigilance were recommended. Results Pharmacovigilance runs through the whole life cycle of drugs and focuses on risk management, providing strong technical support for regulation of pharmaceuticals. Since the implementation of pharmacovigilance, the legal system, regulatory system, organizational system, and professionalism have been gradually established and improved, but there is also much room for improvement. Conclusion It is recommended that more efforts be made to make pharmacovigilance more scientific, standard and legalized, and that a solid bottom line for drug safety be established to promote the high-quality development of pharmacovigilance and the pharmaceutical industry.
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    Evaluation index system of MAH pharmacovigilance work
    JIA Jinsheng, WANG Qing, LIU Hongliang, HOU Yongfang
    Chinese Journal of Pharmacovigilance    2023, 20 (10): 1090-1094.   DOI: 10.19803/j.1672-8629.20230508
    Abstract528)      PDF(pc) (2882KB)(704)       Save
    Objective To explore methods to quantitatively evaluate the pharmacovigilance evaluation work of marketing authorization holder(MAH) and support the development of scientific supervision work based on big data. Methods The analytic hierarchy process(AHP) method was used to decompose and detail ADR/ADE monitoring and reporting, risk identification and evaluation, post-market safety research, drug safety risk control and other related aspects, forming the MAH pharmacovigilance work evaluation index system. A data analysis information platform based on this index system was designed. Results 6 indicators of the criterion layer, 25 indicators of the sub-criterion layer and 85 indicators of the lowest layer are selected, and the weight values of each indicator of the evaluation system are determined. Based on the actual business situation and real world data, an information platform for MAH pharmacovigilance work evaluation was explored and designed. Conclusion The evaluation index system and information platform of holder pharmacovigilance laid the foundation for the intelligent evaluation of MAH pharmacovigilance work.
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    Chinese Journal of Pharmacovigilance    2024, 21 (12): 0-0.  
    Abstract525)      PDF(pc) (443KB)(483)       Save
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    One case of severe constipation caused by dapagliflozin
    LU Jing, YU Shanshan, TONG Fei, LIN Zhuohui, SONG Luyao
    Chinese Journal of Pharmacovigilance    2024, 21 (9): 1071-1074.   DOI: 10.19803/j.1672-8629.20240167
    Abstract504)      PDF(pc) (1269KB)(327)       Save
    Objective To remind health care professionals to be more alert to the risk of severe constipation associated with dapagliflozin and to provide reference for safe use of this drug. Methods The clinical process of treating a patient who developed severe constipation after taking dapagliflozin tablets was analyzed. Based on related literature, the possible mechanisms and treatment regimens of severe constipation caused by sodium-glucose cotransporter 2 inhibitors (SGLT-2i) were studied. Results One patient developed severe constipation after taking dapagliflozin. After discontinuation of the drug, the patient's constipation improved. However, upon re-administration of dapagliflozin, the patient relapsed into constipation. Immediately after drug withdrawal and treatment with laxatives to moisten the intestines, the patient's conditions improved. The causal relationship of adverse reactions was defined as “definite”, so the severe constipation of this patient was considered to have been caused by dapagliflozin. Conclusion Constipation poses a significant threat to patients' quality of life and may potentially precipitate cardiovascular events. Therefore, it is imperative to enhance clinicians' awareness and pharmacological surveillance regarding the adverse effects of constipation associated with dapagliflozin and SGLT-2i.
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    Progress in Clinical and Pharmacological Research of Angong Niuhuang Pills
    BAI Xue, CHEN Yafei, TANG Tian, LIU Zhejun, WANG Guoyu, TAN Tianyang
    Chinese Journal of Pharmacovigilance    2025, 22 (3): 349-356.   DOI: 10.19803/j.1672-8629.20240592
    Abstract499)      PDF(pc) (1259KB)(815)       Save
    Objective To evaluate the clinical efficacy of Angong Niuhuang pills in the past three years and explore their pharmacological mechanisms in order to provide a reference for subsequent research. Methods By analyzing the latest data on clinical research, the therapeutic effects of Angong Niuhuang pills against such diseases as cerebral hemorrhage, cerebral infarction, craniocerebral injury, heatstroke, sepsis, viral encephalitis and pneumonia were summerized. Additionally, current pharmacological research was reviewed to analyze the mechanisms of action of Angong Niuhuang pills. Results The study found that Angong Niuhuang pills were highly effective in treating the aforementioned diseases. Pharmacological research suggested that they worked through multiple mechanisms, including anti-inflammation, antioxidation, anti-apoptosis, regulation of autophagy and mitochondrial dysfunction, inhibition of pyroptosis and ferroptosis, and regulation of metabolic products and gut microbiota. Conclusion This study has evaluated the clinical efficacy and pharmacological mechanism of Angong Niuhuang pills in the treatment of various diseases and confirmed their therapeutic effect and multi-target characteristics, providing data for subsequent research and clinical applications.
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    Implementation of periodic benefit risk evaluation reports in China
    TIAN Chunhua, WU Guizhi
    Chinese Journal of Pharmacovigilance    2023, 20 (12): 1382-1384.   DOI: 10.19803/j.1672-8629.20230579
    Abstract460)      PDF(pc) (1254KB)(612)       Save
    Objective To elaborate on the revision of PSUR in the Adverse Drug Reaction Reporting and Monitoring Management(Order 81) in combination with the current regulation of drugs in China. Methods The revision and implementation of the ICH E2C guideline system and related requirements in China were introduced. The status quo, problems and challenges related to the transformation and implementation of ICH E2C were outlined before recommendations were offered. Results Compared with PSUR, PBRER was more comprehensive and detailed, which could better reflect the overall situation of product benefits and risks. However, the adoption of PBRER also faced many challenges, such as a lack of knowledge of PBRER on the part of drug marketing authorization holders, the need for more professional participation in PBRER writing, and the difficulty in obtaining complete data for mature products. Conclusion The full adoption of PBRER can promote the accountability of holders and help the national and provincial adverse drug reaction monitoring agencies to supervise holders. It is recommended that PBRER be fully adopted following the revision of Order 81.
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    Processes of remote inspection of pharmacovigilance for marketing authorization holders
    XIA Xudong, LI Meixia, SUN Yang, YANG Shengya
    Chinese Journal of Pharmacovigilance    2023, 20 (9): 967-970.   DOI: 10.19803/j.1672-8629.20220582
    Abstract457)      PDF(pc) (1241KB)(562)       Save
    Objective To explore the normal processes of and considerations for remote inspection of pharmacovigilance for marketing authorization holders licensed by China's drug regulatory authorities. Methods The application of information tools and instruments in a particular part of remote inspection was discussed according to the on-site inspection workflow. Results and Conclusion Based on current information network technology, remote inspection of pharmacovigilance can achieve its purpose and help to improve efficiency, save time and costs, and identify and address drug safety issues earlier.
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    Chinese Journal of Pharmacovigilance    2025, 22 (3): 0-0.  
    Abstract444)      PDF(pc) (501KB)(154)       Save
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    Advancements in Treating Ischemic Stroke with Chinese Medicine Compounds Formulae
    LIU Wenjie, GAO Yuanyuan, BAI Xue
    Chinese Journal of Pharmacovigilance    2024, 21 (12): 1382-1387.   DOI: 10.19803/j.1672-8629.20240654
    Abstract440)      PDF(pc) (1427KB)(419)       Save
    Objective To examine findings related to the applications of TCM compound formulae in the management of ischemic stroke, and to offer data for subsequent clinical and experimental investigations. Methods By searching China Knowledge Network and PubMed for articles published from the inception to October 20, 2024, TCM compound formulae were summarized and evaluated. Results Clinical investigations indicated that TCM compound formulae, including Buyang Huanwu Tang, Xinglou Chengqi Tang, and Taohong Siwu Tang, exhibited substantial therapeutic efficacy in patients with ischemic stroke. Conclusion TCM compound formulae possess considerable benefits in the management of ischemic stroke. However, investigations are comparatively limited, and there is a lack of clinical studies and large-scale trials. Multi-sample and high-quality clinical studies are lacking.
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