Katsuhiko Iwasaki

Chiyoda, 1020071, Japan

Last Updated: 09/26/2026

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Found 14 publications

Atezolizumab vs durvalumab for extensive-stage small cell lung cancer in Japan: a real-world comparative analysis of costs and clinical outcomes.

Atezolizumab vs durvalumab for extensive-stage small cell lung cancer in Japan: a real-world comparative analysis of costs and clinical outcomes.

Journal: Japanese journal of clinical oncology

Published: April 29, 2026

Associations between Self-reported Symptoms, Quality of Life, and Work Productivity Loss among Japanese Workers: A Cross-sectional Analysis of a Large-scale Questionnaire-based Person-reported Outcomes Database (PRO-DB)

Associations between Self-reported Symptoms, Quality of Life, and Work Productivity Loss among Japanese Workers: A Cross-sectional Analysis of a Large-scale Questionnaire-based Person-reported Outcomes Database (PRO-DB)

Journal: Nihon eiseigaku zasshi. Japanese journal of hygiene

Published: April 05, 2026

Health economic analysis of seizure-related emergency visits of pediatric patients with drug-resistant epilepsy in Japan.

Health economic analysis of seizure-related emergency visits of pediatric patients with drug-resistant epilepsy in Japan.

Journal: Epilepsy & behavior reports

Published: June 25, 2025

Characteristics of medical costs and resource use in patients with rheumatoid arthritis treated with and without glucocorticoids.

Characteristics of medical costs and resource use in patients with rheumatoid arthritis treated with and without glucocorticoids.

Journal: PloS one

Published: January 20, 2025

Medical costs for patients with rheumatoid arthritis who have comorbid diabetes mellitus.

Medical costs for patients with rheumatoid arthritis who have comorbid diabetes mellitus.

Journal: PloS one

Published: January 20, 2025

Risk factors affecting quality of life in children with epilepsy and their caregivers: A secondary analysis of a cross-sectional online survey in Japan.

Risk factors affecting quality of life in children with epilepsy and their caregivers: A secondary analysis of a cross-sectional online survey in Japan.

Journal: Epilepsy & behavior : E&B

Published: July 26, 2024

Clinical characteristics of patients with difficult-to-treat ulcerative colitis: a nested case-control study using a Japanese claims database.

Clinical characteristics of patients with difficult-to-treat ulcerative colitis: a nested case-control study using a Japanese claims database.

Journal: Intestinal research

Published: July 22, 2024

Emergency management of pediatric epileptic seizures in non-hospital settings in Japan.

Emergency management of pediatric epileptic seizures in non-hospital settings in Japan.

Journal: Epilepsy & behavior : E&B

Published: February 25, 2024

Benefits of Working from Home During the COVID-19 Pandemic for Undiagnosed Workers with Attention-Deficit/Hyperactivity Disorder Symptoms.

Benefits of Working from Home During the COVID-19 Pandemic for Undiagnosed Workers with Attention-Deficit/Hyperactivity Disorder Symptoms.

Journal: Neuropsychiatric disease and treatment

Published: March 31, 2023

Health-related quality of life in health states corresponding to different stages of perianal fistula associated with Crohn's disease: a quantitative evaluation of patients and non-patients in Japan.

Health-related quality of life in health states corresponding to different stages of perianal fistula associated with Crohn's disease: a quantitative evaluation of patients and non-patients in Japan.

Journal: Journal of market access & health policy

Published: January 23, 2023

Risk of hospitalized infections in older elderly patients with rheumatoid arthritis treated with tocilizumab or other biological/targeted synthetic disease-modifying antirheumatic drugs: Evaluation of data from a Japanese claims database.

Risk of hospitalized infections in older elderly patients with rheumatoid arthritis treated with tocilizumab or other biological/targeted synthetic disease-modifying antirheumatic drugs: Evaluation of data from a Japanese claims database.

Journal: Modern rheumatology

Published: October 25, 2022

Working Conditions, Work Productivity, Quality of Life, and Depressive Symptoms in Undiagnosed Adults with and without Attention-Deficit/Hyperactivity Disorder (ADHD) Symptoms During the COVID-19 Pandemic.

Working Conditions, Work Productivity, Quality of Life, and Depressive Symptoms in Undiagnosed Adults with and without Attention-Deficit/Hyperactivity Disorder (ADHD) Symptoms During the COVID-19 Pandemic.

Journal: Neuropsychiatric disease and treatment

Published: February 18, 2022

Showing 1-12 of 14

Last Updated: 09/26/2026