Human psychopharmacology · 2019
Low- and high-dose aripiprazole augmentation and plasma levels of homovanillic acid in major depressive disorder: A randomized, open-label study.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод в очереди
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Horikoshi Sho, Miura Itaru, Ichinose Mizue, Yamamoto Shinnosuke, Ito Masashi, Watanabe Kenya, Kanno-Nozaki Keiko, Kaneko Haruka, Yabe Hirooki
Аннотация
OBJECTIVE: This randomized controlled study evaluated the efficacy of low-dose (LD) and high-dose (HD) aripiprazole augmentation in major depressive disorder. Additionally, we examined the relationship between clinical response and changes in plasma homovanillic acid (pHVA) levels during aripiprazole augmentation.
METHODS: Thirty-one patients with inadequate response to antidepressants were randomized to receive adjunctive treatment with LD (3 mg/day, n = 17) or HD (up to 12 mg/day, n = 14) aripiprazole for 6 weeks. We evaluated the Montgomery-Åsberg Depression Rating Scale (MADRS) and measured pHVA at baseline, Week 2, and end point.
RESULTS: Both LD and HD aripiprazole significantly decreased MADRS score after 6 weeks, and the response rate was higher in HD aripiprazole group at end point. HD aripiprazole significantly decreased MADRS score at Week 2 compared with LD aripiprazole (p = .015). There was a significant difference in changes in pHVA between responders and nonresponders, showing pHVA decreased significantly in responders at Week 2 (p = .044).
CONCLUSIONS: Increasing aripiprazole from the early period appeared useful for immediate response, although caution is needed when increasing the dose >6 mg/day. pHVA may be a possible indicator of the response to aripiprazole augmentation. Caution is needed in interpreting these findings because of the small sample size.
METHODS: Thirty-one patients with inadequate response to antidepressants were randomized to receive adjunctive treatment with LD (3 mg/day, n = 17) or HD (up to 12 mg/day, n = 14) aripiprazole for 6 weeks. We evaluated the Montgomery-Åsberg Depression Rating Scale (MADRS) and measured pHVA at baseline, Week 2, and end point.
RESULTS: Both LD and HD aripiprazole significantly decreased MADRS score after 6 weeks, and the response rate was higher in HD aripiprazole group at end point. HD aripiprazole significantly decreased MADRS score at Week 2 compared with LD aripiprazole (p = .015). There was a significant difference in changes in pHVA between responders and nonresponders, showing pHVA decreased significantly in responders at Week 2 (p = .044).
CONCLUSIONS: Increasing aripiprazole from the early period appeared useful for immediate response, although caution is needed when increasing the dose >6 mg/day. pHVA may be a possible indicator of the response to aripiprazole augmentation. Caution is needed in interpreting these findings because of the small sample size.