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Background: The number of Chinese clinical trials has continued to grow throughout the coronavirus disease 2019 (COVID-19) pandemic, but we know little about clinical trial team members' perceptions and attitudes toward the impacts of the pandemic. This study aimed to assess the impact of the COVID-19 pandemic on clinical trials in China from the perspective of research staff to provide a deeper understanding and some recommendations for the ongoing and upcoming clinical trials during the pandemic.
Methods: A nationwide cross-sectional questionnaire was distributed to respondents throughout mainland China between September 2021 and October 2021. The participants assessed the impact of the COVID-19 pandemic on clinical trials based on a 5-point Likert-type scale, and exploratory factor analysis (EFA) was used to confirm the factor structure. Descriptive statistical analysis and the Mann-Whitney test were used to discover the differences between different groups.
Results: A total of 2,393 questionnaires from 272 hospitals were collected in mainland China. Factor analysis resulted in 4 factors, with a cumulative explained variance of 64.93%, as follows: subject enrollment, patient care, study supplies and data management, and research milestones and quality management. The research team members, predominantly represented by clinical research coordinators (CRCs), basically agreed with all but 3 preset scenarios of the impact of COVID-19 on clinical trials. Most respondents did not agree that the pandemic was associated with more serious adverse events (SAEs), missed reports of safety events, or any increase of unscheduled unblinding. In addition, significant differences were revealed in different age, gender, and role groups of respondents based on their views on the impact of the pandemic.
Conclusions: The current pandemic situation has had a negative impact on clinical trials, especially in terms of subject recruitment and protocol compliance, yet research team members feel confident that some of the effective measures proposed in the study can moderate the negative impact.
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http://dx.doi.org/10.21037/atm-22-777 | DOI Listing |
J Cell Mol Med
September 2025
Department of Pharmacy, Faculty of Health and Life Sciences, Daffodil International University, Dhaka, Bangladesh.
Ferroptosis, a controlled cell death influenced by iron-dependent lipid peroxidation, presents potential therapeutic targets for cancer treatment due to its unique molecular pathways and potential drug resistance. Natural compounds, such as polyphenols, flavonoids, terpenoids and alkaloids, can influence ferroptosis via important signalling pathways, such as Nrf2/Keap1, p53, and GPX4. These are promising for combinational therapy due to their ability to cause ferroptotic death in cancer cells, exhibit tumour-specific selectivity and reduce systemic toxicity.
View Article and Find Full Text PDFAlzheimers Dement
September 2025
School of Pharmacy, Faculty of Medicine and Health, The University of Sydney, Camperdown, Sydney, New South Wales, Australia.
Introduction: Risperidone is approved for behaviors and psychological symptoms of dementia (BPSD), despite modest efficacy and known risks. Identifying responsive symptoms, treatment modifiers, and predictors is crucial for personalized treatment.
Method: A one-stage individual participant data meta-analysis of six randomized controlled trials (risperidone: n = 1009; placebo: N = 712) was conducted.
Monash Bioeth Rev
September 2025
Department of Biochemistry, Cell and Molecular Biology, College of Basic and Applied Sciences, University of Ghana, Legon, Accra, Ghana.
This paper examines bioethical considerations of research conducted in Sub-Saharan Africa (SSA), where a notable scarcity persists in literature addressing region-specific bioethical issues. Although bioethics-related activities have encountered challenges surpassing existing protocol safeguards, emerging evidence demonstrates growing recognition of integrated scientific and ethical principles within African medical research. Maintaining research continuity in resource-limited settings necessitates bridging critical gaps between informed consent procedures and participants' actual understanding.
View Article and Find Full Text PDFTrends Pharmacol Sci
September 2025
Department of Biosciences and Bioinformatics & Suzhou Municipal Key Lab of Biomedical Sciences and Translational Immunology, School of Science, Xi'an Jiaotong-Liverpool University, Suzhou, China; Biomedical Research Center, School of Science, Engineering and Environment, University of Salford, Manch
Regulatory T cells (Tregs) play a pivotal role in maintaining immune tolerance and sustaining immunological homeostasis. Emerging evidence indicates that Treg characteristics and functional alterations can significantly contribute to the pathogenesis of autoimmune diseases including type 1 diabetes mellitus (T1DM). Notably, recent studies have established a positive correlation between diminished numbers of Tregs and the onset of T1DM.
View Article and Find Full Text PDFAnn Rheum Dis
September 2025
Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands.
Objectives: This study aims to develop recommendations on reporting baseline features and outcomes from axial spondyloarthritis (axSpA) clinical trials based on the recently updated instrument set of the Assessment of SpondyloArthritis international Society (ASAS) core outcome set (COS).
Methods: A steering group (SG) convened a workgroup (WG), consisting of 13 ASAS members including rheumatologists, methodologists, epidemiologists, and 2 Young ASAS members. Recommendations on reporting axSpA trials baseline features and outcomes were developed in 3 steps: (1) the SG identified relevant baseline features from key axSpA clinical trials and formulated a proposal on how outcomes related to the instruments in the ASAS COS should be presented.