Publications by authors named "KOMURA K"

Objectives: To examine the validity and reliability of the Simple Motor Competence-check for Kids (SMC-Kids), which was developed to assess motor development in preschool children.

Design: A cross-sectional and repeated-measures design.

Methods: To assess validity, 71 children aged 4-6 years completed the Test of Gross Motor Development-3 (TGMD-3) and SMC-Kids (10 m shuttle run and paper ball throw).

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Background: This study investigated the characteristics of prostate-specific antigen (PSA) dynamics when androgen receptor signaling inhibitor (ARSI), or vintage agent (bicalutamide) was used for patients with metastatic hormone-sensitive prostate cancer (mHSPC).

Patients And Methods: A total of 213 mHSPC patients from each of the ARSI and bicalutamide groups treated between 2015 and 2022 were selected from multiple institutions using propensity score-matched analysis to align backgrounds. PSA progression-free survival (PFS) and overall survival (OS) were assessed.

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Background: Few studies have shown that relatively younger children and adolescents (those born later in the same school year) were less likely to engage in physical activity in a phenomenon termed the relative age effect. Although these studies mainly targeted elementary and middle school students, no study has reported on the relative age effect on physical activity in ordinary high school students. Moreover, the relative age effect on sedentary behavior might show an opposite association with physical activity.

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Background: Androgen-receptor signaling inhibitors (ARSIs) become the new standard of care for metastatic hormone-sensitive prostate cancer (mHSPC). It is unknown whether time to castration resistance (TTCR), when using the first-line ARSIs, offers predictive value in mHSPC. We sought to assess the clinical outcomes for mHSPC patients treated with first-line ARSIs focusing on the TTCR.

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The present study investigated spousal interdependencies in well-being and the sources of these interdependencies among Americans and Japanese. We collected high-powered three-wave longitudinal and cross-sectional data from a wide age range of participants (s = 3,012 American couples aged 26-96 and 2,307 Japanese couples aged 24-76) and assessed a variety of well-being measures. Study 1 replicated previous findings that American spouses' well-being was positively associated with each other.

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Article Synopsis
  • * Therapies that deplete B cells, particularly those targeting CD20 like rituximab, have shown promise in alleviating symptoms such as skin and lung issues in SSc patients.
  • * Newer treatments focusing on CD19, such as Uplizna, may offer greater efficacy and target a wider range of B cells, but ongoing clinical trials are needed to determine their long-term safety and effectiveness for SSc.
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Hyper progressive disease (HPD) is a paradoxical phenomenon characterized by accelerated tumor growth following treatment with immune checkpoint inhibitors. However, the pathogenic causality and its predictor remain unknown. We herein report a fatal case of HPD in a 50-year-old man with metastatic bladder cancer.

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Background: Robotic three-dimensional magnified visual effects and field of view stabilization have enabled precise surgical operations. Intracorporeal anastomosis in right-sided colorectal cancer surgery is expected to shorten operation times, avoid paralytic ileus, and shorten wound lengths; however, there are few reports of intracorporeal anvil fixation for intestinal anastomosis in left-sided colorectal cancer surgery. Herein, we introduce a simple, novel procedure for using robotic purse-string suture (RPSS) in intracorporeal anastomosis with the double-stapling technique in rectal and sigmoid cancer surgery and report short-term outcomes.

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Background: Metastatic nonclear cell renal cell carcinoma (nccRCC) is a heterogeneous disease with poor prognosis. The clinical characteristics and prognostic factors of immuno-oncology (IO) combination therapy for nccRCC are not well known. This study analyzed patients with metastatic nccRCC treated with IO combination therapy.

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Article Synopsis
  • Immune checkpoint inhibitor (ICI) combination therapies are standard treatments for metastatic renal cell carcinoma (mRCC), but there are limited comparative studies using real-world data to assess their effectiveness.
  • The study analyzed records from 320 clear cell RCC patients to compare outcomes between those treated with ICI+ICI versus ICI+tyrosine kinase inhibitor (TKI) combinations.
  • Results showed that while overall survival was similar for both treatments, the progression-free survival was significantly longer for ICI+TKI, and patients on ICI+ICI had a higher rate of progressive disease, although treatment-related side effects varied between the two groups.
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  • The study compares the oncological outcomes of sentinel lymph node biopsy (SNB) and pelvic lymphadenectomy (PLD) in patients with early-stage cervical cancer.
  • A total of 104 patients, with tumor sizes mainly ≤2 cm, underwent laparoscopic or robot-assisted radical hysterectomy, showing that only one patient in the SNB group had lymph node metastasis compared to nine in the PLD group.
  • Follow-up results indicated a 100% disease-free survival (DFS) rate for the SNB group and a 91.5% rate for the PLD group, suggesting that SNB is adequate for patients with smaller tumors, potentially making PLD unnecessary.
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Background: Enfortumab vedotin (EV), an antibody-drug conjugate that targets Nectin-4, is used for patients with metastatic urothelial carcinoma who have experienced progression on platinum-based chemotherapy and checkpoint inhibitors. Despite the widespread use of the drug, evidence remains scarce regarding clinical indicators that can predict the response to EV treatment.

Objective: We aimed to explore the predictive value of clinical indicators derived from peripheral blood tests for treatment responses to EV.

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The interzeolite conversion (IZC) of metallo- and aluminophosphate zeolites was demonstrated using a non-cyclic secondary amine, diisopropylamine, as the organic structure-directing agent (OSDA). The IZC of AlPO-5 with topology could successfully produce an unknown highly crystalline phase, named GAM-7. In metallo-aluminophosphates (metal-AlPOs), SAPO-5 with a small amount of SiO was also interconverted to a single crystal GAM-7, designated as [Si]GAM-7.

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Oxytocin, a significant pleiotropic neuropeptide, regulates psychological stress adaptation and social communication, as well as peripheral actions, such as uterine contraction and milk ejection. Recently, a Japanese Kampo medicine called Kamikihito (KKT) has been reported to stimulate oxytocin neurons to induce oxytocin secretion. Two-pore-domain potassium channels (K2P) regulate the resting potential of excitable cells, and their inhibition results in accelerated depolarization that elicits neuronal and endocrine cell activation.

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: The application of personalized cancer treatment based on genetic information and surgical samples has begun in the field of cancer medicine. However, a biopsy may be painful for patients with advanced diseases that do not qualify for surgical resection. Patient-derived xenografts (PDXs) are cancer models in which patient samples are transplanted into immunodeficient mice.

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Objective: This study aims to elucidate the complex relationship among social isolation, loneliness, and perception of social isolation and its influence on depressive symptoms by evaluating a hypothetical model. This understanding is essential for the formulation of effective intervention strategies.

Methods: We conducted an online survey on Japanese adults (N = 3,315) and used the six-item Lubben Social Network Scale to assess the size of their social networks.

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Article Synopsis
  • Enfortumab vedotin (EV) is an antibody-drug conjugate used for treating metastatic urothelial carcinoma (UC) in patients who previously underwent immune checkpoint inhibitor (ICI) treatment, specifically avelumab or pembrolizumab.
  • A study involving 100 patients revealed that while progression-free survival (PFS) was better for those treated with EV after avelumab, overall survival (OS) rates were not significantly different between the two treatment groups.
  • Key prognostic factors affecting outcomes included histological variants, liver metastasis, low serum albumin, and high serum CRP levels, with cachexia patients experiencing particularly poor prognosis.
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Article Synopsis
  • - Enfortumab vedotin (EV) is an antibody-drug conjugate used for patients with metastatic urothelial carcinoma (mUC) who have progressed on checkpoint inhibitors (CPIs); however, there's limited evidence comparing EV directly with re-challenging chemotherapy in real-world settings.
  • - In a study of 350 mUC patients, those treated with EV showed an objective response rate (ORR) of 48% and a median overall survival (OS) of 29 months, compared to 14 months for re-challenging chemotherapy and 8 months for continuing CPIs beyond progression.
  • - While there was no significant difference in overall survival or progression-free survival between EV and re-challenging chemotherapy, the duration
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Patient-derived xenograft (PDX) models retain the characteristics of tumors and are useful tools for personalized therapy and translational research. In this study, we aimed to establish PDX models for uterine corpus malignancies (UC-PDX) and analyze their similarities. Tissue fragments obtained from 92 patients with uterine corpus malignancies were transplanted subcutaneously into immunodeficient mice.

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Background: Living kidney transplant donors are classified as stage 3 chronic kidney disease after kidney donation. For this reason, we provide daily lifestyle guidance, such as blood pressure and weight management before surgery, and dietary counseling focused on salt restriction. We emphasize providing lifestyle guidance after kidney donation.

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Systemic sclerosis (SSc) is a rare and heterogeneous disease with no relevant environmental trigger or significant responsible gene. It has been and will continue to be difficult to identify large enough patients to conduct classic population-based epidemiologic exposure/non-exposure studies with adequate power to ascertain environmental and genetic risk factors for these entities. The complexity of pathogenesis and heterogeneity are likely to require personalized/precision medicine for SSc.

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Replenishing tumor-suppressor miRNAs (TS-miRNAs) is a potential next-generation nucleic acid-based therapeutic approach. Establishing an effective miRNA delivery system is essential to successful TS-miRNA therapy. To overcome vulnerability to RNA nucleases, we previously developed a chemically modified miRNA143-3p (CM-miR-143).

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Article Synopsis
  • - Bladder cancer (BC) patients can experience shrinkage due to radiation-induced fibrosis, and specific microRNAs (miRNAs) are linked to this injury and overall survival.
  • - In a study of three Japanese BC patients, certain miRNAs (such as hsa-miR-130a and hsa-miR-200c) were highly expressed in those with fibrotic bladder shrinkage compared to patients with intact bladder function.
  • - Analysis of 409 BC patients revealed that high expression of specific miRNAs correlated with significantly longer median survival, indicating a potential role for these miRNAs in predicting patient outcomes and targeting profibrotic cytokines.
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