Possible association between moderate intellectual disability and weight gain in valproic acid–treated patients with epilepsy
Yukiko Tanamachi,1 Junji Saruwatari,1 Madoka Noai,1 Ryoko Kamihashi,1 Hiromi Soraoka,1 Yuki Yoshimori,1 Naoki Ogusu,1 Kentaro Oniki,1 Norio Yasui-Furukori,2 Takateru Ishitsu,3,4 Kazuko Nakagawa1,5 1Division of Pharmacology and Therapeutics, Graduate School of Pharmaceutical Sciences, Kumamoto Univ...
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Dove Medical Press
2015
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oai:doaj.org-article:4b73e834b9c94a21aadc13fa8328420a2021-12-02T00:36:38ZPossible association between moderate intellectual disability and weight gain in valproic acid–treated patients with epilepsy1178-2021https://doaj.org/article/4b73e834b9c94a21aadc13fa8328420a2015-04-01T00:00:00Zhttp://www.dovepress.com/possible-association-between-moderate-intellectual-disability-and-weig-peer-reviewed-article-NDThttps://doaj.org/toc/1178-2021 Yukiko Tanamachi,1 Junji Saruwatari,1 Madoka Noai,1 Ryoko Kamihashi,1 Hiromi Soraoka,1 Yuki Yoshimori,1 Naoki Ogusu,1 Kentaro Oniki,1 Norio Yasui-Furukori,2 Takateru Ishitsu,3,4 Kazuko Nakagawa1,5 1Division of Pharmacology and Therapeutics, Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto, Japan; 2Department of Neuropsychiatry, Hirosaki University School of Medicine, Hirosaki, Japan; 3Kumamoto Saishunso National Hospital, Koshi, Japan; 4Kumamoto Ezuko Ryoiku Iryo Center, Kumamoto, Japan; 5Center for Clinical Pharmaceutical Sciences, Kumamoto University, Kumamoto, Japan Background: Although patients with moderate intellectual disability (ID) are known to have higher rates of being overweight and obese than those without ID, there are no current data regarding the relationship between ID and weight gain in epilepsy patients treated with valproic acid (VPA). Patients and methods: The possible association between moderate ID and an overweight status at the time of initiation of VPA therapy (baseline) was investigated using a logistic regression analysis in 143 patients with epilepsy. Among the 119 nonoverweight patients at baseline, the longitudinal association between moderate ID and the weight status during VPA therapy was retrospectively examined using a Cox hazards regression analysis and the generalized estimating equations approach, while also paying careful attention to associations with other patient characteristics. Results: The proportion of patients with moderate ID was 52.4% among the 143 study subjects. The presence of moderate ID was not associated with an overweight status at baseline (P=0.762). Among the nonoverweight patients at baseline, 16 subjects were newly diagnosed as being overweight during treatment with VPA (3.6±2.1 years). The presence of moderate ID was significantly associated with the incidence of an overweight status after starting VPA therapy (adjusted hazard ratio =6.72, P=0.007). The patient age at baseline and treatment with co-administered carbamazepine, clobazam, and zonisamide significantly influenced the degree of weight fluctuation during VPA therapy among the patients with moderate ID (P<0.001, P<0.001, P=0.002, and P=0.028, respectively), whereas only patient age at baseline affected this parameter among the patients without moderate ID (P=0.022). Conclusion: The present findings suggest that the weight status should be carefully monitored in VPA-treated patients with moderate ID, especially those receiving other co-administered antiepileptic drugs that facilitate weight gain, such as carbamazepine. Keywords: overweight, weight status, obesity, antiepileptic drug, longitudinal analysis Tanamachi YSaruwatari JNoai MKamihashi RSoraoka HYoshimori YOgusu NOniki KYasui-Furukori NIshitsu TNakagawa KDove Medical PressarticleNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571Neurology. Diseases of the nervous systemRC346-429ENNeuropsychiatric Disease and Treatment, Vol 2015, Iss default, Pp 1007-1014 (2015) |
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EN |
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Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429 |
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Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429 Tanamachi Y Saruwatari J Noai M Kamihashi R Soraoka H Yoshimori Y Ogusu N Oniki K Yasui-Furukori N Ishitsu T Nakagawa K Possible association between moderate intellectual disability and weight gain in valproic acid–treated patients with epilepsy |
| description |
Yukiko Tanamachi,1 Junji Saruwatari,1 Madoka Noai,1 Ryoko Kamihashi,1 Hiromi Soraoka,1 Yuki Yoshimori,1 Naoki Ogusu,1 Kentaro Oniki,1 Norio Yasui-Furukori,2 Takateru Ishitsu,3,4 Kazuko Nakagawa1,5 1Division of Pharmacology and Therapeutics, Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto, Japan; 2Department of Neuropsychiatry, Hirosaki University School of Medicine, Hirosaki, Japan; 3Kumamoto Saishunso National Hospital, Koshi, Japan; 4Kumamoto Ezuko Ryoiku Iryo Center, Kumamoto, Japan; 5Center for Clinical Pharmaceutical Sciences, Kumamoto University, Kumamoto, Japan Background: Although patients with moderate intellectual disability (ID) are known to have higher rates of being overweight and obese than those without ID, there are no current data regarding the relationship between ID and weight gain in epilepsy patients treated with valproic acid (VPA). Patients and methods: The possible association between moderate ID and an overweight status at the time of initiation of VPA therapy (baseline) was investigated using a logistic regression analysis in 143 patients with epilepsy. Among the 119 nonoverweight patients at baseline, the longitudinal association between moderate ID and the weight status during VPA therapy was retrospectively examined using a Cox hazards regression analysis and the generalized estimating equations approach, while also paying careful attention to associations with other patient characteristics. Results: The proportion of patients with moderate ID was 52.4% among the 143 study subjects. The presence of moderate ID was not associated with an overweight status at baseline (P=0.762). Among the nonoverweight patients at baseline, 16 subjects were newly diagnosed as being overweight during treatment with VPA (3.6±2.1 years). The presence of moderate ID was significantly associated with the incidence of an overweight status after starting VPA therapy (adjusted hazard ratio =6.72, P=0.007). The patient age at baseline and treatment with co-administered carbamazepine, clobazam, and zonisamide significantly influenced the degree of weight fluctuation during VPA therapy among the patients with moderate ID (P<0.001, P<0.001, P=0.002, and P=0.028, respectively), whereas only patient age at baseline affected this parameter among the patients without moderate ID (P=0.022). Conclusion: The present findings suggest that the weight status should be carefully monitored in VPA-treated patients with moderate ID, especially those receiving other co-administered antiepileptic drugs that facilitate weight gain, such as carbamazepine. Keywords: overweight, weight status, obesity, antiepileptic drug, longitudinal analysis |
| format |
article |
| author |
Tanamachi Y Saruwatari J Noai M Kamihashi R Soraoka H Yoshimori Y Ogusu N Oniki K Yasui-Furukori N Ishitsu T Nakagawa K |
| author_facet |
Tanamachi Y Saruwatari J Noai M Kamihashi R Soraoka H Yoshimori Y Ogusu N Oniki K Yasui-Furukori N Ishitsu T Nakagawa K |
| author_sort |
Tanamachi Y |
| title |
Possible association between moderate intellectual disability and weight gain in valproic acid–treated patients with epilepsy |
| title_short |
Possible association between moderate intellectual disability and weight gain in valproic acid–treated patients with epilepsy |
| title_full |
Possible association between moderate intellectual disability and weight gain in valproic acid–treated patients with epilepsy |
| title_fullStr |
Possible association between moderate intellectual disability and weight gain in valproic acid–treated patients with epilepsy |
| title_full_unstemmed |
Possible association between moderate intellectual disability and weight gain in valproic acid–treated patients with epilepsy |
| title_sort |
possible association between moderate intellectual disability and weight gain in valproic acid–treated patients with epilepsy |
| publisher |
Dove Medical Press |
| publishDate |
2015 |
| url |
https://doaj.org/article/4b73e834b9c94a21aadc13fa8328420a |
| work_keys_str_mv |
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