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KMID : 1812020230290030360
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Journal of Neurogastroenterology and Motility
2023 Volume.29 No. 3 p.360 ~ p.369
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Stigma and Efficacy of Zhizhu Kuanzhong Capsules Versus Doxepin in the Treatment of Refractory Functional Dyspepsia: A Randomized Controlled Trial
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Qian-Qian Wang
Marzieh Moosavi-Nasab
Bi-Yu Wu
Hong-Yi Qiu
Ping Xu
Najmeh Oliyaei
Xiu-Juan Yan
Sheng-Liang Chen
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Abstract
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Background/Aims : Stigma related with antidepressants is prevalent in patients with functional dyspepsia. It affects medication compliance and efficacy. Herbal medicine acquired a deep-rooted cultural identity in relieving dyspeptic symptoms in Asians. The research was designed to compare the effectiveness of Zhizhu Kuanzhong capsules (ZZKZ) versus doxepin hydrochloride (doxepin) on alleviating stigma and medication nonadherence among patients with refractory FD (rFD).
Methods : Patients with rFD from February 2021 to February 2022 were randomly allocated to receive either doxepin (n = 56) or ZZKZ (n = 57) combined with omeprazole for 4 weeks. Medication possession ratio (MPR), the disease- and medication-associated stigma were analyzed. The scales were utilized to assess dyspeptic symptoms (Leeds Dyspepsia Questionnaire) and psychological conditions (Generalized Anxiety Disorder Questionnaire and Patient Health Questionnaire).
Results : The MPR values for ZZKZ were significantly higher than those for doxepin (P < 0.001). The stigma scores decreased in ZZKZ group while increased in doxepin group compared to baseline after treatment. The proportion of patients showing ZZKZ-associated stigma was significantly lower than doxepin-associated stigma (P < 0.001). The MPR values were negatively correlated with post-treatment stigma scores in both groups (P < 0.001). Dyspeptic symptoms and psychological condition were improved in both groups after treatment, with no significant difference on post-treatment Leeds Dyspepsia Questionnaire, Generalized Anxiety Disorder Questionnaire, or Patient Health Questionnaire scores between 2 groups.
Conclusion : ZZKZ is superior to doxepin in alleviating stigma and medication non-adherence, with comparable efficacy in improving dyspeptic symptoms and psychological condition of patients with rFD.
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KEYWORD
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Antidepressant agents, Dyspepsia, Herbal medicine, Patient compliance, Stigma
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