CHEN Jingjing 1,2,3 , HUANG Liang 1,2,3 , ZENG Linan 1,2,3 , JIANG Zhimei 1,2,3 , LIU Zheng 1,2,3,4 , JIA Zhijun 1,2,3,5 , MIAO Liyan 6 , ZHAO Limei 7 , ZHANG Lingli 1,2,3
  • 1. Department of Pharmacy, West China Second University Hospital, Sichuan University, Chengdu 610041, P. R. China;
  • 2. Evidence-Based Pharmacy Center, West China Second University Hospital, Sichuan University, Chengdu 610041, P. R. China;
  • 3. Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Chengdu 610041, P. R. China;
  • 4. West China School of Medicine, Sichuan University, Chengdu 610041, P. R. China;
  • 5. West China School of Pharmacy, Sichuan University, Chengdu 610041, P. R. China;
  • 6. The First Affiliated Hospital of Soochow University, Suzhou 215006, P. R. China;
  • 7. Department of Pharmacy, Shengjing Hospital of China Medical University, Shenyang 110004, P. R. China;
ZHAO Limei, Email: zhanglingli@scu.edu.cn
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Objective To systematically review the factors influencing plasma concentration of lamotrigine (LTG) in the treatment of epilepsy in children.Methods  Databases including PubMed, EMbase, The Cochrane Library, CNKI, WanFang Data, VIP and CBM were electronically searched to collect clinical studies on the factors influencing plasma concentration of LTG in the treatment of epilepsy in children from database inception to December 2020. Two researchers independently screened the literature, extracted data, and assessed the risk of bias of the included studies. A systematic review was then performed to analyze the factors influencing plasma concentration of LTG in the treatment of epilepsy in children. Results A total of 21 studies were included. The results of systematic review suggested that dosage and some combination drugs (valproic acid, carbamazepine, phenytoin sodium, topiramate, ethosuximide, rufinamide, fluoxetine, clonazepam, clobazam and ethinylestradiol) were potential factors influencing LTG concentration. Four gene polymorphisms (UGT1A4 142T>G, UGT1A4 219C>T, UGT1A4 163G>A, and OCT1 M408V A>G), age, weight, sex, and combination drugs (phenobarbital and levetiracetam) might affect the plasma concentration of LTG in children. The effects of oxcarbazepine, 16 gene polymorphisms (UGT1A4 *3 T>G, UGT2B7 211G>T, UGT2B7 372A>G, UGT2B7 735A>G, UGT2B7 801T>A, UGT2B7 802C>T, UGT2B7 161C>T, SCN1A IVS591G>A, SCN2A c.56G>A, SCN2A c.59G>A, MDR1 1236 C>T, MDR1 2677 G>T/A, MDR1 3435 C>T, SLC22A1 1022C>T, ABCB1 3435 C>T and ABCB1 1236C>T), ketogenic diet, and ethnicity (Uygur/Han) on the plasma concentration of LTG in children were not found. Conclusion  The plasma concentration of LTG in the treatment of epilepsy in children is affected by many factors, and more high-quality prospective studies should be carried out to further clarify the factors influencing the plasma concentration of LTG in children.

Citation: CHEN Jingjing, HUANG Liang, ZENG Linan, JIANG Zhimei, LIU Zheng, JIA Zhijun, MIAO Liyan, ZHAO Limei, ZHANG Lingli. Influencing factors of plasma concentration of lamotrigine in the treatment of epilepsy in children: a systematic review. Chinese Journal of Evidence-Based Medicine, 2022, 22(5): 550-557. doi: 10.7507/1672-2531.202111094 Copy

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