Kyoichi Ogata

Kiryu, Japan

Last Updated: 09/26/2026

Save publications for later

Sign Up

Not sure about your diagnosis?

Check Your Symptoms

Found 62 publications

Multicenter Study on the Safety and Efficacy of First-Line Nivolumab-Combination Chemotherapy in Patients Aged 75 Years and Older with Unresectable Advanced or Recurrent Gastric Cancer.

Multicenter Study on the Safety and Efficacy of First-Line Nivolumab-Combination Chemotherapy in Patients Aged 75 Years and Older with Unresectable Advanced or Recurrent Gastric Cancer.

Journal: Oncology

Published: October 07, 2025

Usefulness of an Epidural Catheter with a Subcutaneous Port for Locally Advanced Rectal Cancer Pain Which Was Difficult to Manage with Opioids-A Case Report

Usefulness of an Epidural Catheter with a Subcutaneous Port for Locally Advanced Rectal Cancer Pain Which Was Difficult to Manage with Opioids-A Case Report

Journal: Gan to kagaku ryoho. Cancer & chemotherapy

Published: December 06, 2023

Examining the Efficacy of Nivolumab for Gastric Cancer Focusing on Using an Inflammation-based Prognostic Score: A Multicenter Retrospective Study.

Examining the Efficacy of Nivolumab for Gastric Cancer Focusing on Using an Inflammation-based Prognostic Score: A Multicenter Retrospective Study.

Journal: Anticancer research

Published: December 18, 2022

Albumin-derived Neutrophil-to-Lymphocyte Ratio Score as a Marker of Nivolumab Treatment Sensitivity in Gastric Cancer: A Multicenter Study.

Albumin-derived Neutrophil-to-Lymphocyte Ratio Score as a Marker of Nivolumab Treatment Sensitivity in Gastric Cancer: A Multicenter Study.

Journal: In vivo (Athens, Greece)

Published: December 07, 2022

Gangrenous ischemic colitis localized to the cecum: a case report.

Gangrenous ischemic colitis localized to the cecum: a case report.

Journal: Surgical case reports

Published: August 05, 2022

Laparoscopic gastrojejunostomy with laparoscopic-assisted percutaneous endoscopic gastrostomy for superior mesenteric artery syndrome with dysphagia: a case report.

Laparoscopic gastrojejunostomy with laparoscopic-assisted percutaneous endoscopic gastrostomy for superior mesenteric artery syndrome with dysphagia: a case report.

Journal: Surgical case reports

Published: July 29, 2022

Changes in the Gustave Roussy Immune Score as a Powerful Prognostic Marker of the Therapeutic Sensitivity of Nivolumab in Advanced Gastric Cancer: A Multicenter, Retrospective Study.

Changes in the Gustave Roussy Immune Score as a Powerful Prognostic Marker of the Therapeutic Sensitivity of Nivolumab in Advanced Gastric Cancer: A Multicenter, Retrospective Study.

Journal: Annals of surgical oncology

Published: May 06, 2022

Patient with gastric cancer who underwent distal gastrectomy after treatment of COVID-19 infection diagnosed by preoperative PCR screening.

Patient with gastric cancer who underwent distal gastrectomy after treatment of COVID-19 infection diagnosed by preoperative PCR screening.

Journal: Surgical case reports

Published: November 24, 2021

Clinical features as potential prognostic factors in patients treated with nivolumab for highly pretreated metastatic gastric cancer: a multicenter retrospective study.

Clinical features as potential prognostic factors in patients treated with nivolumab for highly pretreated metastatic gastric cancer: a multicenter retrospective study.

Journal: BMC cancer

Published: October 10, 2021

Verification of the Usefulness of an Assessment and Risk Control Sheet that Promotes Management of Cancer Drug Therapy.

Verification of the Usefulness of an Assessment and Risk Control Sheet that Promotes Management of Cancer Drug Therapy.

Journal: Frontiers in pharmacology

Published: July 30, 2021

Colon angiolipoma with intussusception resected by laparoscopy-assisted surgery: a case report.

Colon angiolipoma with intussusception resected by laparoscopy-assisted surgery: a case report.

Journal: Journal of surgical case reports

Published: June 23, 2021

Impact of neutrophil-lymphocyte ratio, Glasgow Prognostic Score, and postoperative decrease in psoas muscle index on recurrence after curative gastrectomy.

Impact of neutrophil-lymphocyte ratio, Glasgow Prognostic Score, and postoperative decrease in psoas muscle index on recurrence after curative gastrectomy.

Journal: The journal of medical investigation : JMI

Published: May 17, 2021

Showing 1-12 of 62

Last Updated: 09/26/2026