Abstract
Background: Tic disorders (TDs) are chronic neuropsychiatric disorders that usually begin in childhood. Currently, antipsychotic drugs, such as aripiprazole and risperidone, are frequently used to treat TD. However, adverse reactions limit their further usage. The efficacy of topiramate has been reported in recent studies. This study aimed to investigate the efficacy and tolerability of topiramate in the treatment of children with TDs. Methods: In this study, we performed a meta-analysis to assess the efficacy and tolerability of topiramate for TDs and identified the randomized controlled trials to evaluate topiramate for children with TDs from PubMed, the China National Knowledge Infrastructure database, Web of Science, and relevant reference lists. Quality assessment followed the Cochrane Handbook for Systematic Reviews of Interventions. A modified Jadad scale was used to assess the quality of included studies. Risk ratio (RR) was calculated as the effect size of efficacy and tolerability of topiramate for TDs. Results: A total of 15 studies involving 1070 participants aged 2-17 were included in the present meta-analysis, and 693 (64.71%) participants were male cases, with 14 studies evaluating the efficacy of topiramate for the treatment of TD. The results suggested that topiramate was more effective than control drugs (RR: 1.13, 95% confidence interval: [1.06-1.20], I2 = 36%, Q = 20.31, p = 0.09). For the adverse events, there were 15 trials included in the meta-analysis, and the results showed that topiramate had fewer adverse events than control drugs (RR: 0.54, 95% confidence interval: [0.46-0.65], I2 = 45%, Q = 25.49, p = 0.03). Conclusion: Compared with haloperidol and tiapride, topiramate appears to be a promising medication with good efficacy and tolerability for children with TDs. In future studies, large-sample, double-blind, placebo-controlled trials are needed to confirm its efficacy and tolerability compared with atypical antipsychotic agents (such as risperidone or aripiprazole).
Zhou X, Liao Z, Li Y, Wang N, Xiao N. Influence of Tiapride and Topiramate on Tic Severity and Behavioral/Emotional Problems in Children with Tourette Syndrome: A Retrospective Study. Brain Sci. 2023 Feb 22;13(3):383. doi: 10.3390/brainsci13030383. PMID: 36979193; PMCID: PMC10046371.
Abstract
Objectives: To investigate the effect of tiapride and topiramate on patients with Tourette syndrome (TS).
Methods: This retrospective analysis included 126 children diagnosed with TS at Children's Hospital of Chongqing Medical University from 2019 to 2021, with treatment including tiapride (n = 60) and topiramate (n = 66). Their tic severity values were assessed with the Yale Global Tic Severity Scale (YGTSS). Furthermore, behavioral and emotional problems were assessed with the Conner's Parent Rating Scale (CPRS) and the Children Behavior Checklist (CBCL).
Results: Compared with premedication, the scores of tic severity were significantly decreased in both tiapride and topiramate groups after treatment, especially topiramate. Moreover, it was noted that five subscores of CPRS were significantly reduced in TS patients thanks to medication. However, there was no significant difference in CBCL after treatment, in both tiapride and topiramate groups.
Conclusions: Tiapride and topiramate were proven to be effective on tics and some behavioral/emotional problems in TS patients, and topiramate may provide better treatment.
Yang CS, Zhang LL, Zeng LN, Huang L, Liu YT. Topiramate for Tourette's syndrome in children: a meta-analysis. Pediatr Neurol. 2013 Nov;49(5):344-50. doi: 10.1016/j.pediatrneurol.2013.05.002. PMID: 24139534.
Abstract
Objectives: To assess the efficacy and safety of topiramate for children with Tourette syndrome.
Methods: Randomized controlled trials evaluating topiramate for children with Tourette syndrome were identified from the Cochrane library, PubMed, Cochrane Central, Embase, CBM, CNKI, VIP, WANG FANG database, and relevant reference lists. Two reviewers independently selected trials, assessed trial quality, and extracted the data. Disagreement was resolved by discussion. Quality assessment referred to the Cochrane Handbook for Systematic Reviews of Interventions (version 5.0.1.).
Results: Fourteen trials involving 1003 patients were included, of which 720 cases were male (71.8%). Ages were 2 to 17 years old. The general quality of included randomized controlled trials was poor. All trials were positive drug-controlled (12 randomized controlled trials used haloperidol as control, 2 used tiapride). The follow-up period was from 20 days to 12 months. Meta-analysis of 3 trials (n = 207), in which tics symptoms control was assessed by Yale Global Tic Severity Scale, suggested that there was significant difference in the mean change of Yale Global Tic Severity Scale score during the treatment period (mean difference = -7.74, 95% CI [-10.49, -4.99], I(2) = 0) between topiramate and control groups. Meta-analysis of 9 trials (n = 668) evaluating tics symptoms control ≥ 50% suggested that there was no significant difference in reduction of tics between topiramate and control group during the treatment period (relative ratio = 1.36, 95% CI [0.90, 2.06], I(2) = 0). Adverse events were reported in 13 trials. Drowsiness (3.3-16%), loss of appetite (4-16.7%), cognitive dysfunction (7.89-12.5%), and weight loss (6-10.5%) were common adverse events.
Conclusions: The current evidence is promising but not yet sufficient to support the routine use of topiramate for Tourette syndrome in children due to low quality of the study designs. It deserves to confirm in further high-quality, placebo-controlled trials.
Sarwar S, Sinha A, Jolly T. Recurrent Suicidal Ideation With Topiramate in Tourette Syndrome. J Clin Psychopharmacol. 2021 Jan/Feb 01;41(1):90-91. doi: 10.1097/JCP.0000000000001315. PMID: 33252554.
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