Publications by authors named "Nakachi K"

Background: Cognitive impairment is a cardinal feature in patients with schizophrenia and leads to poor social functioning. Recently, the treatment of schizophrenia has evolved to include the goal of improving quality of life (QoL). However, most of the factors influencing subjective QoL are unknown.

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Background: S-1 monotherapy had previously been widely used as a second-line treatment for pancreatic cancer (PC) after gemcitabine-based chemotherapy mainly in Japan. Based on the results of the NAPOLI-1 trial, the recommended second-line therapy is now liposomal irinotecan plus fluorouracil/folinic acid (nal-IRI + 5-FU/LV). However, there have been no studies comparing nal-IRI + 5-FU/LV therapy with S-1 monotherapy.

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Article Synopsis
  • * Out of 241 participants, over half (55.2%) were identified as having insomnia, exhibiting significantly worse scores in mental health assessments compared to those who slept well.
  • * The study found that specific sleep hygiene practices, particularly the recommendations from the Japanese Government, can impact insomnia, suggesting that clinicians can enhance treatment by applying effective stimulus control techniques.
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Purpose: The aim of this study was to investigate the additional effects of empagliflozin on liraglutide in patients with advanced-stage type 2 diabetic kidney disease.

Patients And Methods: Forty-one patients were randomly assigned (1:1) to treatment with liraglutide alone during the first 6 months and subsequent treatment with liraglutide plus empagliflozin during the next 6 months (liraglutide plus empagliflozin group) (n = 20) or treatment with liraglutide alone for 12 months (liraglutide group) (n = 21). Liraglutide was administered subcutaneously once daily at a starting dose of 0.

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  • Early tumor shrinkage (ETS) is evaluated as a potential predictor of prognosis for patients with locally advanced pancreatic cancer (LAPC) in the JCOG1407 study, which compares two chemotherapy regimens: mFOLFIRINOX and gemcitabine plus nab-paclitaxel (GnP).
  • Researchers found that 25.5% of patients receiving mFOLFIRINOX and 42.1% of patients receiving GnP achieved ETS, defined as a 20% reduction in tumor size within 6-10 weeks of treatment.
  • The results showed that patients with ETS had significantly better overall survival rates compared to those without ETS, suggesting that ETS could be a valuable prognostic indicator in this patient
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A 66-year-old man presented to the gastroenterology department with anal pain. For >10 years, he had used an electric bidet toilet while defecating for >5 min at a time, because of constipation. Two weeks prior to his visit, he became aware of discomfort in his anal area and had used an enema 1 week previously.

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Introduction: Major hepatectomy (MH) may produce the impaired liver function and affect the feasibility of adjuvant chemotherapy in terms of early period after the surgery, but there have not been detailed investigations. JCOG1202 (UMIN000011688) is a randomized phase III trial demonstrating the superiority of adjuvant S-1 chemotherapy for biliary tract cancer (BTC). The aim of this study is to examine the influence of MH for BTC on adjuvant S-1.

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Attention-deficit hyperactivity disorder (ADHD) is characterized by persistent symptoms of inattention, hyperactivity, and impulsivity. Both, stimulant and nonstimulant medications have been approved for the treatment of this disorder. Several Western guidelines recommend the use of prescribed Food and Drug Administration (FDA)-approved medications for ADHD along with parental training in behavior management and behavioral classroom intervention.

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Introduction: Since May 2019, comprehensive genomic profiling (CGP) has been covered by Japan's health insurance system for patients with solid tumours that have progressed on standard chemotherapy, rare tumours or tumours of unknown primary origin. Although CGP has the potential to identify actionable mutations that can guide the selection of genomically matched therapies for patients with advanced cancer and limited treatment options, less than 10% of patients benefit from CGP testing, which may have a negative impact on patients' mental status. The aim of this study is to investigate the prevalence of psychological distress and associated factors among patients with advanced cancer who are undergoing CGP testing across Japan.

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The first randomized controlled trial of adjuvant chemotherapy for biliary tract cancer was reported in 2002. Since then, studies have continued, with efficacy reported for capecitabine in 2018 and S-1 in 2023. Oral fluoropyrimidines have become established as the standard of care.

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In recent years, concerns about internet addiction (IA) among children have been increasing. This study focused on the awareness of IA in elementary school teachers. A web-based anonymous survey was conducted in November 2021.

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Background: The Adjuvant S-1 for Cholangiocarcinoma Trial (JCOG1202, [ASCOT]) was a multicenter, randomized controlled trial aimed at investigating the efficacy and safety of adjuvant chemotherapy (AC) with S-1 for resected biliary tract cancer (BTC). This trial reported that overall survival was prolonged with AC compared with observation.

Methods: With the aim of increasing enrollment, the present survey biannually recorded the number of patients eligible for enrollment into ASCOT and reasons for ineligibility among patients who had undergone surgery for BTC from April 2015 to September 2017 at 36 institutions participating in ASCOT.

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Introduction: This study aimed to evaluate the impacts of dapagliflozin on 24-hour glucose variability and diabetes-related biochemical variables in Japanese patients with type 2 diabetes who had received basal insulin supported oral therapy (BOT).

Research Design And Methods: Changes in mean daily blood glucose level before and after 48-72 hours of add-on or no add-on of dapagliflozin (primary end point) and diabetes-related biochemical variables and major safety variables during the 12 weeks (secondary end point) were evaluated in the multicenter, randomized, two-arm, open-label, parallel-group comparison study.

Results: Among 36 participants, 18 were included in the no add-on group and 18 were included in the dapagliflozin add-on group.

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Article Synopsis
  • A study evaluated the effectiveness of the drug S-1 as an adjuvant treatment for patients with resected biliary tract cancer, comparing it with observation alone.
  • This phase 3 trial involved 440 patients across 38 Japanese hospitals and aimed to measure overall survival rates after treatment.
  • Results indicated that after 3 years, patients receiving S-1 had a 77.1% survival rate, compared to 67.6% in the observation group, showing a significant survival benefit associated with S-1 treatment.
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  • A study was conducted to compare the effectiveness of two cancer treatments—mFOLFIRINOX and GnP—specifically for patients with locally advanced pancreatic cancer (LAPC).
  • The trial included 126 patients, assessing outcomes like overall survival and how well the cancer responded to treatment, with GnP showing superior response rates and lower toxicity.
  • The study concluded that GnP should be tested in further research due to its better overall performance compared to mFOLFIRINOX, marking progress over traditional gemcitabine treatments.
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Esophageal varices (EVs) are often treated using endoscopic injection sclerotherapy. Endoscopic submucosal dissection (ESD) has been used for early esophageal epithelial neoplasia worldwide. We report a case of early esophageal squamous cell carcinoma (ESCC) that occurred over EVs, in which the EVs were treated with endoscopic injection sclerotherapy before the early ESCC was treated with endoscopic submucosal dissection.

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Aims: Body dissatisfaction (BD) is a serious problem related to the incidence of eating disorders. Social media (SM) use is known to be associated with BD. With a view to preventing the incidence of eating disorders, this study aimed to investigate the association between SM and BD, particularly, the role of SM in the encouragement of thinness and its relationship with adolescent girls' BD.

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Esports (electronic sports) programs are a variant of competitive gaming and have expanded worldwide in recent years. The prevalence of problematic gaming and gaming disorders (GD) is predicted to increase in adolescents. Children with autism spectrum disorder (ASD) have a high rate of digital gaming use, and their characteristics, such as social communication deficits and restricted interests, might contribute to problematic gaming.

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: A 66-year-old man started carboplatin + etoposide + atezolizumab therapy for advanced small cell lung cancer. Seventeen days after the start of treatment, the patient presented with hematemesis and underwent emergency endoscopy, which revealed multiple erosions and ulcers in the duodenum. Some ulcers showed pulsating bleeding, which was stopped by clipping and cauterization using hemostats.

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School closure due to coronavirus disease 2019 (COVID-19) pushed children across ages and nationalities into a state of mental health crisis. In Japan, children between the ages of 6 and 18 were ordered to stay at home and observe social distancing for several months. This study is aimed at investigating the effects of quarantine due to COVID-19 on children belonging to different developmental stages in life.

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Background: Overadaptation, the behavior of individuals who follow the expectations of others as perfectly as possible, is often observed and related to maladjustment, school refusal, and physical symptoms; however, no method has been proposed yet to assess the overadaptive tendency. This study evaluated the efficacy of the Goodenough Draw-a-Man (DAM) test as a projective measure of overadaptation in children.

Methods: Eighty children (36 boys, 44 girls), aged 6-8 years, were assessed for their ability to draw a man using the DAM test.

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Children with autism spectrum disorder (ASD) could experience more stress due to the changes consequent to school closures because of the coronavirus disease 2019 (COVID-19) pandemic. This study investigated differences in behavioral affect between children with ASD and typically developing children (TD). We conducted an online survey with mothers.

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