NI Xiaofeng 1,2,3,4 , YANG Chunsong 1,2,3 , LI Siyu 1,2,3,4 , LIU Zheng 1,2,3,4 , HU Zixian 1,2,3,5 , JIA Zhijun 1,2,3,5 , ZHANG Lingli 1,2,3
  • 1. Department of Pharmacy, West China Second University Hospital, Sichuan University, Chengdu 610044, P.R.China;
  • 2. Evidence-Based Pharmacy Center, West China Second University Hospital, Sichuan University, Chengdu 610044, P.R.China;
  • 3. Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, Chengdu 610044, P.R.China;
  • 4. West China School of Medicine, Sichuan University, Chengdu 610044, P.R.China;
  • 5. West China School of Pharmacy, Sichuan University, Chengdu 610044, P.R.China;
ZHANG Lingli, Email: zhanglingli@scu.edu.cn
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Objective To systematically review the efficacy and safety of deproteinized calf blood extractives (DCBE) for dry eye syndrome. Methods PubMed, EMbase, The Cochrane Library, CNKI, WanFang Data, CBM and VIP databases were electronically searched to collect studies on efficacy and safety of DCBE for dry eye syndrome from inception to August 31st, 2021. Two reviewers independently screened literature, extracted data and assessed the risk of bias of included studies; then, meta-analysis was performed by using RevMan 5.3 software. Results A total of 59 studies were included. The results of meta-analysis showed that: the total effective rate of DCBE for dry eye syndrome was better than that of control (RR=1.20, 95%CI 1.12 to 1.29, P<0.000 01), sodium hyaluronate eye drops (RR=1.21, 95%CI 1.15 to 1.28, P<0.000 01), and hydroxyl sugar eye drops (RR=1.15, 95%CI 1.04 to 1.27, P=0.006). The incidence of adverse events had no statistical differences between the DCBE and the control or the sodium hyaluronate eye drops.Conclusion Current evidence shows that DCBE for dry eye syndrome can improve the total effective rate, and the safety is acceptable. Due to the limited quality and quantity of the included studies, more high-quality studies are needed to verify the above conclusion.

Citation: NI Xiaofeng, YANG Chunsong, LI Siyu, LIU Zheng, HU Zixian, JIA Zhijun, ZHANG Lingli. Efficacy and safety of deproteinized calf blood extractives for dry eye syndrome: a systematic review. Chinese Journal of Evidence-Based Medicine, 2022, 22(1): 51-59. doi: 10.7507/1672-2531.202107172 Copy

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