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Backgrounds: Antidepressants are widely used to treat major depressive disorder. First-line treatments with antidepressants are only successful in one-third of patients; however, evidence from randomized controlled trials on second-line treatments is limited. Moreover, recently acceptability is suggested to be a good indicator of overall treatment success.Methods: This is a multi-center two-arm, three-phased randomized controlled trial performed in Japan from December 2013 to March 2017 comparing the acceptability of escitalopram and duloxetine as a second-line drug. Patients, who failed to respond to antidepressants such as sertraline, paroxetine, fluvoxamine, milnacipran or mirtazapine for at least 3 weeks, were randomized to either escitalopram (Group A) or duloxetine (Group B) in Step 1 (8 weeks). In Step 2 (8 weeks), the drug was switched to the other if the first drug failed. The discontinuation rate at the end of Step 1 was the primary endpoint and non-inferiority of escitalopram vs duloxetine was tested. In addition, change in clinical measures from baseline were also assessed at the end of Step 1, 2 and up to 52 weeks.Results: At the end of Step 1, Group A (n = 82) was significantly superior to Group B (n = 78) in discontinuation rate (4.9% to 19.2%, P = 0.007). The change in clinical indices from baseline were not different between the groups at either timepoint.Limitations: As the major reason for discontinuation in Group B was the "withdrawal of consent" the concrete reason could not be verified.Conclusions: As a second-line treatment drug, escitalopram was suggested to be non-inferior to duloxetine in acceptability.Trial Registration: UMINCTR(UMIN000012367), registered on December 1st, 2013 and last updated on April 4th, 2017. [ABSTRACT FROM AUTHOR]

Abstract: Social isolation among the elderly is a concern in developed countries. Using a randomized trial, this study examined the effect of a social isolation prevention program on loneliness, depression, and subjective well-being of the elderly in Japan. Among the elderly people who relocated to suburban Tokyo, 63 who responded to a pre-test were randomized and assessed 1 and 6 months after the program. Four sessions of a group-based program were designed to prevent social isolation by improving community knowledge and networking with other participants and community “gatekeepers.” The Life Satisfaction Index A (LSI-A), Geriatric Depression Scale (GDS), Ando-Osada-Kodama (AOK) loneliness scale, social support, and other variables were used as outcomes of this study. A linear mixed model was used to compare 20 of the 21 people in the intervention group to 40 of the 42 in the control group, and showed that the intervention program had a significant positive effect on LSI-A, social support, and familiarity with services scores and a significant negative effect on AOK over the study period. The program had no significant effect on depression. The findings of this study suggest that programs aimed at preventing social isolation are effective when they utilize existing community resources, are tailor-made based on the specific needs of the individual, and target people who can share similar experiences. [Copyright &y& Elsevier]