• 1. Department of Pharmacy, Peking University Third Hospital, Beijing 100191, P. R. China;
  • 2. Department of Pharmacy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, P. R. China;
  • 3. Department of Pharmacy, Beijing Tongren Hospital, Capital Medical University, Beijing 100005, P. R. China;
  • 4. Department of Pharmacy, Zhaotong Mental Health Center, Zhaotong 657000, P. R. China;
  • 5. Department of Pharmacy, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, P. R. China;
  • 6. Institute for Drug Evaluation, Peking University Health Science Center, Beijing 100191, P. R. China;
YI Zhanmiao, Email: yzm@bjmu.edu.cn
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Objective  To analyze the characteristics and risk factors of hemorrhagic adverse events (AEs) associated with selective serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs). Methods  AEs reports with SSRIs/SNRIs as the primary suspected (PS) drugs from the first quarter of 2009 to the third quarter of 2024 in the FAERS database were extracted. Hemorrhagic AEs reports were screened using the MedDRA standard terminology (SMQ). Descriptive statistics were used to analyze patient characteristics, and signal detection was performed using the reporting odds ratio (ROR), proportional reporting ratio (PRR), and the polynomial gamma Poisson distribution reduction method (MGPS). Multiplicative and additive models were used to assess the interaction risk with antiplatelet/anticoagulant drugs. Results  A total of 5 073 reports of hemorrhagic AEs associated with SSRIs (6.5%) and 2 740 reports related to SNRIs (4.1%) were included. The proportion of patients aged ≥65 years (P<0.001), the time-to-onset >90 days (P<0.001), reports from healthcare professionals (P<0.001), and serious adverse events (P<0.001) were higher. The gastrointestinal tract and central nervous system were the main bleeding sites for SSRIs, among which sertraline had the most signals for gastrointestinal adverse events, while the central nervous system had the fewest. All positive signals for SNRIs were associated with venlafaxine. Among AEs of various SSRIs/SNRIs combined with other drugs, the proportion of hemorrhagic AEs was higher in the combination with antiplatelet or anticoagulant drugs (P<0.001). Conclusion  Hemorrhagic adverse events associated with SSRIs/SNRIs are mostly severe. In clinical practice, it is essential to implement proper pharmaceutical care, focusing on the bleeding risks associated with SSRIs/SNRIs use in elderly patients, those on long-term medication regimens, and patients concurrently using anticoagulants. Individualized medication regimens should be implemented based on the patient's underlying diseases and drug characteristics.

Citation: LIU Qingyang, YAO Junqi, LU Anmei, HOU Zijing, YI Zhanmiao. Mining and analysis of hemorrhagic adverse events signals of SSRIs and SNRIs based on the FAERS database. Chinese Journal of Evidence-Based Medicine, 2026, 26(4): 401-406. doi: 10.7507/1672-2531.202508097 Copy

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