Pharmacotherapy · 2025
Thromboembolic Risk of Thrombopoietin Receptor Agonists for Adult Primary Immune Thrombocytopenia: A Systematic Review and Meta-Analysis Integrating Randomized Controlled Trials and Prospective Evidence.
СтатьяСистематический обзорМетаанализНазвание и аннотация: Перевод пока не подготовлен
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Dai Meng-Fei, Chong Gao-Wei, Xin Wen-Xiu, Kong Si-Si, Zhu Jun-Feng, Zhong Li-Ke, Xu Gao-Qi, Jin Xiang-Yu, He Chao-Neng, Wang Ting-Ting, Mi Xiu-Fang, Luo Liping, Song Zhu-Jin, Ding Hai-Ying, Fang Luo
Аннотация
BACKGROUND: Although randomized controlled trials (RCTs) have established evidence regarding thromboembolic risks of thrombopoietin receptor agonists (TPO-RAs) in immune thrombocytopenia (ITP) during short-term follow-up, the long-term risks remain uncertain. This meta-analysis integrates data from prospective studies and RCTs to provide a comprehensive evaluation of thromboembolic risks associated with TPO-RA therapy.
METHODS: PubMed, Embase, Web of Science, and the Cochrane Library were searched from inception to January 23, 2025 for RCTs and prospective studies reporting thromboembolic events in patients treated with TPO-RAs. The primary outcome was the risk of any thromboembolism. Subgroup analyses separately assessed the incidence of venous and arterial thrombosis. Short-term (≤ 6 months) evidence was derived from RCTs, while long-term (6-12 months and > 12 months) evidence was supplemented by prospective studies. Data from RCTs were analyzed using the Peto odds ratio (OR) with 95% confidence intervals (CIs), and data from prospective studies were pooled to calculate the incidence of thromboembolic events.
RESULTS: The analysis included 12 RCTs (involving 1530 patients) and 11 prospective studies (involving 1820 patients). TPO-RAs significantly increased thromboembolic risk compared to placebo in the short-term (0.72% vs. 0.23%, Peto OR = 3.25, 95% CI = 1.11-9.51, p = 0.03). Pooled results from prospective studies demonstrated thromboembolism incidence of 3.84% at 6 to 12 months and 5.59% beyond 12 months of treatment with TPO-RAs. The reported incidence of arterial thrombosis increased from 0.14% (≤ 6 months) to 1.51% (6-12 months), and further to 4.2% (> 12 months). Whereas the reported incidence of venous thrombosis increased from 0.18% (≤ 6 months) to 2.50% (6-12 months), and plateaued at 2.55% beyond 12 months.
CONCLUSION: This analysis demonstrates that TPO-RAs therapy increases the risk of thromboembolism, with the risk of arterial events becoming particularly pronounced during long-term use. These findings highlight the need for individualized risk assessment and vigilant monitoring in patients receiving TPO-RAs.
METHODS: PubMed, Embase, Web of Science, and the Cochrane Library were searched from inception to January 23, 2025 for RCTs and prospective studies reporting thromboembolic events in patients treated with TPO-RAs. The primary outcome was the risk of any thromboembolism. Subgroup analyses separately assessed the incidence of venous and arterial thrombosis. Short-term (≤ 6 months) evidence was derived from RCTs, while long-term (6-12 months and > 12 months) evidence was supplemented by prospective studies. Data from RCTs were analyzed using the Peto odds ratio (OR) with 95% confidence intervals (CIs), and data from prospective studies were pooled to calculate the incidence of thromboembolic events.
RESULTS: The analysis included 12 RCTs (involving 1530 patients) and 11 prospective studies (involving 1820 patients). TPO-RAs significantly increased thromboembolic risk compared to placebo in the short-term (0.72% vs. 0.23%, Peto OR = 3.25, 95% CI = 1.11-9.51, p = 0.03). Pooled results from prospective studies demonstrated thromboembolism incidence of 3.84% at 6 to 12 months and 5.59% beyond 12 months of treatment with TPO-RAs. The reported incidence of arterial thrombosis increased from 0.14% (≤ 6 months) to 1.51% (6-12 months), and further to 4.2% (> 12 months). Whereas the reported incidence of venous thrombosis increased from 0.18% (≤ 6 months) to 2.50% (6-12 months), and plateaued at 2.55% beyond 12 months.
CONCLUSION: This analysis demonstrates that TPO-RAs therapy increases the risk of thromboembolism, with the risk of arterial events becoming particularly pronounced during long-term use. These findings highlight the need for individualized risk assessment and vigilant monitoring in patients receiving TPO-RAs.