Olcay Güngör, Beste Kipçak Yüzbaşı, Bayram Özhan, Onur Orhan, Rümeysa Şevik, Gülay Güngör
{"title":"Effects of valproic acid, levetiracetam, carbamazepine, and oxcarbazepine on thyroid function tests in children.","authors":"Olcay Güngör, Beste Kipçak Yüzbaşı, Bayram Özhan, Onur Orhan, Rümeysa Şevik, Gülay Güngör","doi":"10.1590/1806-9282.20241177","DOIUrl":null,"url":null,"abstract":"<p><strong>Objective: </strong>The aim of the study was to evaluate the effects of commonly used medications for epilepsy on thyroid function tests in children.</p><p><strong>Methods: </strong>Epileptic children treated with valproic acid, levetiracetam, carbamazepine, and oxcarbazepine were retrospectively examined along with a healthy control group. Levels of free thyroxine 4 and thyroid-stimulating hormone were compared.</p><p><strong>Results: </strong>In patients receiving valproic acid monotherapy, thyroid-stimulating hormone levels increased compared to both the control group and pre-treatment levels, while free thyroxine 4 levels remained unchanged. In those receiving carbamazepine or oxcarbazepine monotherapy, average free thyroxine 4 levels were found to be lower compared to the control group and pre-treatment levels, with no difference in thyroid-stimulating hormone levels. For patients receiving levetiracetam monotherapy, there was no difference in free thyroxine 4 and thyroid-stimulating hormone levels compared to the control group and pre-treatment levels.</p><p><strong>Conclusion: </strong>Despite significant changes in thyroid hormone levels with valproic acid, carbamazepine, and oxcarbazepine treatment, no significant clinical findings were observed. Additionally, no effect of levetiracetam on thyroid function tests was detected.</p>","PeriodicalId":94194,"journal":{"name":"Revista da Associacao Medica Brasileira (1992)","volume":"70 12","pages":"e20241177"},"PeriodicalIF":0.0000,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Revista da Associacao Medica Brasileira (1992)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1590/1806-9282.20241177","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/1/1 0:00:00","PubModel":"eCollection","JCR":"","JCRName":"","Score":null,"Total":0}
Effects of valproic acid, levetiracetam, carbamazepine, and oxcarbazepine on thyroid function tests in children.
Objective: The aim of the study was to evaluate the effects of commonly used medications for epilepsy on thyroid function tests in children.
Methods: Epileptic children treated with valproic acid, levetiracetam, carbamazepine, and oxcarbazepine were retrospectively examined along with a healthy control group. Levels of free thyroxine 4 and thyroid-stimulating hormone were compared.
Results: In patients receiving valproic acid monotherapy, thyroid-stimulating hormone levels increased compared to both the control group and pre-treatment levels, while free thyroxine 4 levels remained unchanged. In those receiving carbamazepine or oxcarbazepine monotherapy, average free thyroxine 4 levels were found to be lower compared to the control group and pre-treatment levels, with no difference in thyroid-stimulating hormone levels. For patients receiving levetiracetam monotherapy, there was no difference in free thyroxine 4 and thyroid-stimulating hormone levels compared to the control group and pre-treatment levels.
Conclusion: Despite significant changes in thyroid hormone levels with valproic acid, carbamazepine, and oxcarbazepine treatment, no significant clinical findings were observed. Additionally, no effect of levetiracetam on thyroid function tests was detected.
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