Toshimasa Tsujinaka

Izumi, Japan

Last Updated: 09/26/2026

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Found 98 publications

Long-term Outcomes of OGSG1108: A Supplemental Study of Oral Nutritional Supplementation During Adjuvant S-1 Chemotherapy.

Long-term Outcomes of OGSG1108: A Supplemental Study of Oral Nutritional Supplementation During Adjuvant S-1 Chemotherapy.

Journal: Anticancer research

Published: May 07, 2026

Prognostic Impact of Metastasis Timing in Metastatic Gastrointestinal Stromal Tumors: A Multicenter Retrospective Cohort Study.

Prognostic Impact of Metastasis Timing in Metastatic Gastrointestinal Stromal Tumors: A Multicenter Retrospective Cohort Study.

Journal: Annals of gastroenterological surgery

Published: March 11, 2026

Long-term survival outcomes from a phase II trial of perioperative capecitabine plus oxaliplatin for advanced gastric cancer with extensive lymph node metastases: OGSG 1701.

Long-term survival outcomes from a phase II trial of perioperative capecitabine plus oxaliplatin for advanced gastric cancer with extensive lymph node metastases: OGSG 1701.

Journal: Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association

Published: December 12, 2025

ASTRON (OGSG 2401) study protocol: Ferric carboxymaltose for iron deficiency anemia in gastrointestinal cancer.

ASTRON (OGSG 2401) study protocol: Ferric carboxymaltose for iron deficiency anemia in gastrointestinal cancer.

Journal: Future oncology (London, England)

Published: October 21, 2025

Neoadjuvant docetaxel, oxaliplatin, and S-1 therapy for patients with large type 3 or type 4 gastric cancer: final outcomes of a multicenter, phase II study (OGSG 1902).

Neoadjuvant docetaxel, oxaliplatin, and S-1 therapy for patients with large type 3 or type 4 gastric cancer: final outcomes of a multicenter, phase II study (OGSG 1902).

Journal: Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association

Published: October 13, 2025

A phase II study of neoadjuvant chemotherapy with docetaxel, cisplatin, and S-1 followed by gastrectomy for type 4 or large type 3 gastric cancer (OGSG 1402).

A phase II study of neoadjuvant chemotherapy with docetaxel, cisplatin, and S-1 followed by gastrectomy for type 4 or large type 3 gastric cancer (OGSG 1402).

Journal: Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association

Published: September 25, 2025

Efficacy and safety of irinotecan-based therapy in elderly patients with advanced gastric cancer receiving third-line or later chemotherapy: post-hoc age-subgroup analysis of the rindberg trial.

Efficacy and safety of irinotecan-based therapy in elderly patients with advanced gastric cancer receiving third-line or later chemotherapy: post-hoc age-subgroup analysis of the rindberg trial.

Journal: Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association

Published: September 13, 2025

Neoadjuvant docetaxel, oxaliplatin, and S-1 therapy for patients with large type 3 or type 4 gastric cancer: short-term outcomes of a multicenter, phase II study (OGSG1902).

Neoadjuvant docetaxel, oxaliplatin, and S-1 therapy for patients with large type 3 or type 4 gastric cancer: short-term outcomes of a multicenter, phase II study (OGSG1902).

Journal: Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association

Published: January 26, 2025

Impact of gastrectomy on efficacy and safety of second-line chemotherapy patients with advanced gastric cancer: Exploratory analysis of two randomized phase III trials.

Impact of gastrectomy on efficacy and safety of second-line chemotherapy patients with advanced gastric cancer: Exploratory analysis of two randomized phase III trials.

Journal: Annals of gastroenterological surgery

Published: June 21, 2024

Differences in efficacy of biweekly irinotecan plus cisplatin versus irinotecan alone in second-line treatment of advanced gastric cancer with or without prior gastrectomy.

Differences in efficacy of biweekly irinotecan plus cisplatin versus irinotecan alone in second-line treatment of advanced gastric cancer with or without prior gastrectomy.

Journal: International journal of clinical oncology

Published: June 14, 2024

Occult gastric carcinoma with microsatellite instability diagnosed 10 years after excision of metastatic lymph node: a case report.

Occult gastric carcinoma with microsatellite instability diagnosed 10 years after excision of metastatic lymph node: a case report.

Journal: Surgical case reports

Published: June 09, 2024

The impact of contour maps on estimating the risk of gastrointestinal stromal tumor recurrence: indications for adjuvant therapy: an analysis of the Kinki GIST registry.

The impact of contour maps on estimating the risk of gastrointestinal stromal tumor recurrence: indications for adjuvant therapy: an analysis of the Kinki GIST registry.

Journal: Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association

Published: June 14, 2023

Showing 1-12 of 98

Last Updated: 09/26/2026