Publications by authors named "Yoshiaki Kanai"

Purpose: To examine the safety, effectiveness, and patient-perceived benefit of treatment with olanzapine for nausea and vomiting (N/V) in patients with advanced cancer.

Methods: We conducted a multicenter prospective observational study in a tertiary care setting (Trial registration number: UMIN000020493, date of registration: 2016/1/12). We measured the following: average nausea in the last 24 h using a Numeric Rating Scale (NRS: range 0-10) at baseline and day 2, patient-perceived treatment benefit (based on a 5-point verbal scale), and adverse events (AEs; using the Common Terminology Criteria for Adverse Events version 4).

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Although ascites is a distressing complication observed commonly in the course of advanced cancer, there is no effective treatment established for malignancy-related ascites. We conducted a nationwide survey of cancer physicians in Japan who treat malignancy-related ascites in order to determine what kind of therapeutic approach is thought to be significant and what kind of diuretic prescriptions are thought to be standard for malignancy-related ascites. From 2017 to 2018, we sent a one-page memo to oncologists in Japan asking them to participate in a questionnaire-style survey that they could complete online.

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This study aimed to investigate views on life and death among physicians, nurses, cancer patients, and the general population in Japan and examine factors affecting these views. We targeted 3,140 physicians, 470 nurses, 450 cancer patients, and 3,000 individuals from the general population. We used the Death Attitudes Inventory (DAI) to measure attitudes toward life and death.

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Background: Previous studies have shown the effects of childhood abuse, life events, and temperaments on well-being (positive affect) and ill-being (negative affect). We hypothesized that childhood abuse, affective temperaments, and adult life events interact with one another and influence positive and negative affects in the general adult population and tested this hypothesis using structural equation modeling.

Methods: A total of 415 participants from the general, nonclinical adult population were studied using the following self-administered questionnaires: the Subjective Well-Being Inventory (SUBI); Life Experiences Survey (LES); Temperament Evaluation of the Memphis, Pisa, Paris, and San Diego Auto-questionnaire (TEMPS-A); and the Child Abuse and Trauma Scale (CATS).

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Introduction: Cancer-related fatigue greatly influences quality of life in cancer patients; however, no specific treatments have been established for cancer-related fatigue, and at present, no medication has been approved in Japan. Systematic research using patient-reported outcome to examine symptoms, particularly fatigue, has not been conducted in palliative care settings in Japan. The objective was to evaluate fatigue, pain, and quality of life in cancer patients at the point of intervention by palliative care teams.

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Tube feeding or hydration is often considered for end-of-life cancer patients despite the negative effects on quality of life. The efficacy of oral nutritional support in this setting is unknown. We conducted a randomized trial to compare the efficacies of an amino acid jelly, Inner Power® (IP), and a liquid enteral product, Ensure Liquid® (EL), in terminally ill cancer patients.

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Objective: This study investigates the views on death among cancer patients in Japan and examines how these views are related to age, sex, and physical condition. We also investigate how these views are related to where patients would like to spend their final days and whether or not they would like to be told how long they have left to live.

Method: We targeted 450 cancer patients receiving outpatient treatment in the radiology department at the University of Tokyo Hospital.

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Melinjo (Gnetum gnemon L.) seed extract (MSE) containing trans-resveratrol (3,5,4'-trihydroxy-trans-stilbene) and other derivatives exerts various beneficial effects. However, its mechanism of action in humans remains unknown.

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Article Synopsis
  • This study aimed to clarify the activities of hospital palliative care teams (PCTs) in Japan, using a standardized reporting format to gather data.
  • Data from 1055 patients showed that 95% had cancer, with common referral reasons including pain (63%) and emotional issues (22%), leading to recommendations for pharmacological treatment and symptom care.
  • The successful use of the standard reporting format provides valuable insights that could enhance hospital PCT practices and aid in training new team members.
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Context: Although an evidence-based clinical guideline for parenteral hydration therapy was established in Japan, the efficacy of the guideline has not been assessed.

Objectives: Our purpose was to explore the effect of parenteral hydration therapy based on this clinical guideline on quality of life (QoL), discomfort, symptoms, and fluid retention signs in patients with advanced cancer.

Methods: This multicenter, prospective, observational study included 161 patients with advanced abdominal cancer who received guideline-based hydration therapy.

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