Kazutake Okada

Hachioji, Japan

Last Updated: 09/26/2026

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Found 58 publications

Self-Reported Adverse Events in Psychiatric Outpatients Taking Hypnotics: Higher Real-World Frequencies Than Those Listed in Package Inserts.

Self-Reported Adverse Events in Psychiatric Outpatients Taking Hypnotics: Higher Real-World Frequencies Than Those Listed in Package Inserts.

Journal: Neuropsychopharmacology reports

Published: June 24, 2026

Clinical outcomes of third-line chemotherapy prior to best supportive care in patients with stage IV colorectal cancer: a single-center study from Japan.

Clinical outcomes of third-line chemotherapy prior to best supportive care in patients with stage IV colorectal cancer: a single-center study from Japan.

Journal: Journal of gastrointestinal oncology

Published: June 23, 2025

Exploratory study about the relationship between leukocytosis and mental disorders in psychiatric outpatients.

Exploratory study about the relationship between leukocytosis and mental disorders in psychiatric outpatients.

Journal: Medicine

Published: December 02, 2024

Is radix ligation of the inferior mesenteric artery effective in Japanese-Style D3 radical lymph node dissection for sigmoid colon and rectal cancer surgery?-a single-center retrospective analysis since 2002.

Is radix ligation of the inferior mesenteric artery effective in Japanese-Style D3 radical lymph node dissection for sigmoid colon and rectal cancer surgery?-a single-center retrospective analysis since 2002.

Journal: Journal of gastrointestinal oncology

Published: November 02, 2024

The Association Between Surgical Site Infection and Prognosis of T4 Colorectal Cancer.

The Association Between Surgical Site Infection and Prognosis of T4 Colorectal Cancer.

Journal: Cureus

Published: August 03, 2024

Study of the therapeutic strategy to improve survival outcomes from the perspective of perioperative conditions in elderly gastric cancer patients: a propensity score-matched analysis.

Study of the therapeutic strategy to improve survival outcomes from the perspective of perioperative conditions in elderly gastric cancer patients: a propensity score-matched analysis.

Journal: World journal of surgical oncology

Published: January 16, 2024

Relationship between mental disorders, psychotropic drugs, and constipation in psychiatric outpatients.

Relationship between mental disorders, psychotropic drugs, and constipation in psychiatric outpatients.

Journal: Medicine

Published: September 20, 2022

Classification of rectal cancer according to recurrence types - comparison of Japanese guidelines and Western guidelines.

Classification of rectal cancer according to recurrence types - comparison of Japanese guidelines and Western guidelines.

Journal: World journal of clinical cases

Published: August 31, 2022

Clinical T2N0 Rectal Cancer Treated with Neoadjuvant Chemoradiotherapy plus Local Excision.

Clinical T2N0 Rectal Cancer Treated with Neoadjuvant Chemoradiotherapy plus Local Excision.

Journal: Oncology

Published: July 14, 2022

Predictors and histological effects of preoperative chemoradiotherapy for rectal cancer and control of lateral lymph node metastasis.

Predictors and histological effects of preoperative chemoradiotherapy for rectal cancer and control of lateral lymph node metastasis.

Journal: BMC gastroenterology

Published: April 18, 2022

Internal hernia caused by bridge formation between the medial and lateral segments of the liver: a case report.

Internal hernia caused by bridge formation between the medial and lateral segments of the liver: a case report.

Journal: BMC gastroenterology

Published: January 14, 2022

Tumor-Infiltrating Lymphocytes in Biopsy Specimens Obtained 7 Days after Starting Chemoradiotherapy for Rectal Cancer Are Predictors of the Response to Chemoradiotherapy.

Tumor-Infiltrating Lymphocytes in Biopsy Specimens Obtained 7 Days after Starting Chemoradiotherapy for Rectal Cancer Are Predictors of the Response to Chemoradiotherapy.

Journal: Oncology

Published: April 16, 2020

Showing 1-12 of 58

Last Updated: 09/26/2026