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OBJECTIVE To explore the risk signals of Fluocinolone acetonide intravitreal implants and promote safe and rational drug use for patients. METHODS Based on the data from the Hainan Province Franchised Drug Adverse Reaction Monitoring Subsystem （hereinafter referred to as the “Franchised Drug Monitoring System”） and the FDA Adverse Event Reporting System （FAERS）， the adverse drug reaction （ADR）/adverse drug event （ADE） reports of Fluocinolone acetonide intravitreal implants were coded by using system organ classification and preferred terminology， and relevant patient information was collected. Risk signal mining was carried out by using the reporting odds ratio （ROR） method and the comprehensive standards method of the UK Medicines and Healthcare Products Regulatory Agency （hereinafter referred to as the “MHRA method”）. RESULTS Among the 72 reports of Fluocinolone acetonide intravitreal implants received by the Franchised Drug Monitoring System， the ratio of male to female was 1∶1.4， the patient’s age was mainly distributed between 18 and 64 years old； ADR/ADE affected 5 systemic organs， with eye organ diseases accounting for 87.7%； among them， there were 9 new and general ADR reports （12.5%） and 4 severe ADR reports （5.6%）； ROR method and MHRA method both identified three risk signals： cataracts， glaucoma， and high intraocular pressure. Among the 244 reports received by the FAERS database， the ratio of male to female was 1∶1.5； ADR/ADE damage affected 10 systemic organs， with 46.1% suffering from various injuries， poisoning， and operational complications， and 32.0% suffering from product problems； there were 20 severe ADR reports （8.2%）； ROR method and MHRA method both identified 19 risk signals， including implantation complications， medication system issues， etc. CONCLUSIONS When using Fluocinolone acetonide intravitreal implants in clinical practice， in addition to paying attention to eye ADR/ADE such as high intraocular pressure， cataracts， and glaucoma， attention should also be paid to the potential risks caused by ADE due to product quality and unreasonable use.
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BACKGROUND@#Stroke is the leading cause of death in China, and predicting the stroke burden could provide essential information guiding the setting of medium- and long-term health policies and priorities. The study aimed to project trends associated with stroke burden in China through 2050, not only in terms of incidence and mortality but also for prevalence and disability-adjusted life years (DALYs).@*METHODS@#Data on stroke rates in incidence, prevalence, deaths, and DALYs in China between 1990 and 2019 were obtained from a recent Global Burden of Disease study. Demographic-specific trends in rates over time were estimated using three models: the loglinear model, the Lee-Carter model, and a functional time series model. The mean absolute percentage error and the root mean squared error were used for model selection. Projections up to 2050 were estimated using the best fitting model. United Nations population data were used to project the absolute numbers through 2050.@*RESULTS@#From 2019 to 2050, the crude rates for all measures of the stroke burden are projected to increase continuously among both men and women. We project that compared with those in 2019, the incidence, prevalence, deaths, and DALYs because of stroke in China in 2050 will increase by 55.58%, 119.16%, 72.15%, and 20.04%, respectively; the corresponding increases in number were 2.19, 34.27, 1.58, and 9.21 million. The age-standardized rate is projected to substantially decline for incidence (8.94%), death (40.37%), and DALYs (43.47%), but the age-standardized prevalence rate is predicted to increase by 10.82%. By 2050, the burden of stroke among the population aged ≥65 years will increase significantly: by 104.70% for incidence, by 218.48% for prevalence, by 100.00% for death, and by 58.93% for DALYs.@*CONCLUSIONS@#With the aging population in China increasing over the next three decades, the burden of stroke will be markedly increased. Continuous efforts are needed to improve stroke health care and secondary prevention, especially for older adults.