Publications by authors named "Yumoto Y"

Background: Addressing the limited access to treatments for alcohol dependence, we developed ALM-002, a therapeutic application to be "prescribed" for non-abstinence-oriented treatment in internal medicine settings. Our objective was to preliminarily assess the efficacy and safety of ALM-002.

Methods: In a multicenter, open-label randomized controlled trial, participants aged ≥20 with alcohol dependence and daily alcohol consumption exceeding 60 g for men and 40 g for women, without severe complications, were randomly assigned to either the intervention group using ALM-002 or the treatment-as-usual control group.

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  • The study aimed to understand how specific genetic variants related to alcohol metabolism (ADH1B*2 and ALDH2*2) influence alcohol dependence (AD) in East Asians, particularly Japanese men.
  • Results showed that individuals with the ADH1B*1/*1 and ALDH2*1/*1 genotypes experienced alcohol-related issues like blackouts and withdrawal symptoms at younger ages compared to those with other genotypes.
  • The findings indicated that while certain genotypes accelerated the onset and severity of drinking problems, the flushing response to alcohol had a minimal impact on these drinking events.
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  • In early drug discovery, assessing drug-drug interactions (DDIs) is crucial for understanding how new drug candidates may affect each other's metabolism.
  • CYP3A activators can lead to inaccurate assessments of DDIs by specifically impacting the metabolism of midazolam in certain ways.
  • The developed CYP cocktail inhibition assay simultaneously evaluates CYP3A activation and inhibition, making it an efficient tool for identifying potential DDIs in the initial phases of drug development.
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Aims: Chronic psychological stress aggravates lower urinary tract symptoms. Among others, water avoidance stress is a chronic psychological stressor that plays a causal role in the exacerbation and development of bladder dysfunction in rats. In this report, the effects of KPR-5714, which is a selective transient receptor potential melastatin 8 (TRPM8) antagonist, on bladder overactivity induced by water avoidance stress were examined.

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Exhaled gas analysis is a non-invasive test ideal for continuous monitoring of biological metabolic information. We analyzed the exhaled gas of patients with inflammatory diseases for trace gas components that could serve as biomarkers that enable early detection of inflammatory diseases and assessment of treatment efficacy. Furthermore, we examined the clinical potential of this method.

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Background: Digital health technologies using mobile apps and wearable devices are a promising approach to the investigation of substance use in the real world and for the analysis of predictive factors or harms from substance use. Moreover, consecutive repeated data collection enables the development of predictive algorithms for substance use by machine learning methods.

Objective: We developed a new self-monitoring mobile app to record daily substance use, triggers, and cravings.

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Background: Growing evidence suggests that intervention for smoking cessation enhances alcohol abstinence in treatment settings for alcohol dependence. However, research in this field is rare in Asians.

Method: We prospectively investigated the association of smoking status with drinking status using 9 surveys mailed during a 12-month period in 198 Japanese alcohol-dependent men (70 never/ex-smokers and 128 smokers) who admitted for the first time and completed a 3-month inpatient program for simultaneous alcohol abstinence and smoking cessation.

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Aim: This study aimed to examine the mediating effect of workplace social capital on the relationship between authentic leadership and the three dimensions of organizational commitment: affective, normative, and continuance.

Methods: In January 2019, anonymous self-reported questionnaires were distributed to 1220 nurses working in the general wards of two university hospitals in Japan. Structural equation modeling was used to examine the mediating effects of workplace social capital on the relationship between nurse managers' authentic leadership and the three dimensions of organizational commitment.

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Female nurses experience work-family conflict due to performing multiple roles, leading to burnout. Thus, this study aimed to verify the association between burnout and the multiple work and family roles performed among Japanese female nurses. The data for 2,255 nurses at 23 Japanese hospitals obtained from the Work Environment for Nurses Study in Japan were used.

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Aim: Alcoholism is the most prevalent substance use disorder in Japan; the estimated number of patients and high-risk drinkers is in the millions. Although studies in the West have shown that cognitive behavioral therapy (CBT) is one of the most effective treatment strategies for alcoholic patients, there is a dearth of efficacy studies of CBT-based intervention for those patients in the non-Western setting. The aim of this study is to investigate the efficacy of a 12-session CBT-based relapse prevention program for Japanese alcoholic patients.

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Aim: To evaluate the reliability and validity of the Japanese version of the Person-Centered Care Assessment Tool (P-CAT-J) in a Japanese long-term care setting.

Methods: This was a cross-sectional survey using self-administered questionnaires distributed among the nurses or care staff of 2000 special nursing homes randomly selected nationwide using stratified random sampling according to each prefecture's ratio of numbers of facilities. The internal consistency of the tool was calculated using Cronbach's α and construct validity was assessed using confirmatory factor analysis.

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This study aimed to develop an inventory for advance care planning implementation for persons with dementia in group homes and to examine the association between inventory implementation and residents' quality of dying. A nationwide cross-sectional study was conducted via questionnaires mailed from 2000 group homes in Japan, selected through stratified random sampling. Participants were managers and care planners who had provided end-of-life care for recently deceased residents.

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Aim: To clarify the concept of psychological safety in a healthcare context and to provide the first theoretical framework for improving interpersonal relationships in the workplace to better patient care.

Design: A Rodgers' concept analysis.

Methods: The concept analysis was conducted using a systematic search strategy on PubMed, CINAHL, PsycINFO and Ichushi-Web.

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  • The study investigates how the severity of alcohol dependence affects recovery outcomes following inpatient treatment, with a focus on drinking behavior over a 12-month period.
  • Results indicate that patients with higher severity of dependence, as measured by diagnostic criteria and Alcohol Dependence Scale scores, had lower abstinence rates and increased likelihood of relapse.
  • The findings suggest that greater severity of alcohol dependence is linked to less favorable drinking patterns and overall recovery post-treatment.
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Aim: To identify the effects of authentic leadership, structural empowerment and forms of communication as antecedent factors of workplace social capital in nursing.

Background: Enhancing workplace social capital for nurses by management requires identifying antecedent factors of workplace social capital focusing on work environment and relationships between members.

Methods: In 2019, self-administered questionnaires were sent to all nurses working on the general wards of two university hospitals in Japan.

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  • The study investigates the relationship between inactive aldehyde dehydrogenase-2 (ALDH2) and alcohol use disorder (AUD), focusing on male alcoholics and how psychiatric and personality disorders may influence AUD risk.
  • Researchers compared 103 alcoholics with inactive ALDH2 to other alcoholic groups and healthy men to determine the prevalence of comorbid psychiatric disorders like ADHD, agoraphobia, and panic disorder.
  • Findings revealed that ADHD increased the risk of AUD, while agoraphobia and panic disorder seemed to reduce this risk in individuals with inactive ALDH2, highlighting complex interactions between these disorders and alcohol use.
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Aim: To verify the reliability and validity of Multidimensional Measure of Leader-Member Exchange Japanese version (LMX-MDM-J) for staff nurses.

Background: Staff nurses who have a high-quality relationship with nurse managers tend to have low turnover intention. However, the validity and reliability of LMX-MDM Japanese version have not been confirmed.

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Aim: In this study, we developed and verified the Nurse Managers' Empowering Behavioral Scale for Staff Nurses (NMEB-SN).

Design: A cross-sectional survey.

Methods: The NMEB-SN was developed based on the staff nurses' perspectives.

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Background: A training opportunity in which ongoing education is encouraged is one of the determinants in recruiting and retaining nurses in home-visit nursing care agencies. We investigated the association between ensuring training opportunities through scheduled training programs and the change in the number of nurses in home-visit nursing agencies using nationwide panel data at the agency level.

Methods: We used nationwide registry panel data of home-visit nursing agencies from 2012 to 2015 in Japan.

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Dementia is causing global concern with its massive impacts on affected individuals, families, society, and national economies. As the disease progresses, patients' needs increase in number, depth, and breadth, covering physical, psychological, social, and spiritual domains. Care varies from place to place, from country to country and from east to west.

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We investigated the effects of an injectable pimobendan solution (0.15 mg/kg) on cardiac function in healthy dogs. Fifteen dogs were divided into placebo, intravenous pimobendan injection, and subcutaneous pimobendan injection groups.

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Aim: Little is known about whether and how local-level resources regarding home care are associated with the prevalence of home deaths. We aimed to investigate whether geographic patterns of the resources for home care were associated with the prevalence of home deaths, taking spatial variation into consideration.

Methods: We conducted an ecological cross-sectional study in Japan using nationwide data in 2014.

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Aim: This prospective, randomized, controlled, rater-blinded study investigated the effect of G protein-activated inwardly rectifying potassium (GIRK) channel inhibitor ifenprodil on alcohol use in patients with alcohol dependence.

Methods: The participants were 68 outpatients with alcohol dependence who were assigned to an ifenprodil group (administered 60 mg ifenprodil per day for 3 months) or control group (administered 600 mg ascorbic acid and calcium pantothenate per day for 3 months). The participants completed a questionnaire that included the frequency of alcohol drinking and presence of heavy drinking before the study period (time 1) and 3 months after the start of the study period (time 2).

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