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List of works by Hiroki Osumi

A significant increase in the pepsinogen I/II ratio is a reliable biomarker for successful Helicobacter pylori eradication

scientific article

Circulating Tumor DNA as a Novel Biomarker Optimizing Chemotherapy for Colorectal Cancer

scientific article published on 13 June 2020

Clinical impact of Epstein-Barr virus status on the incidence of lymph node metastasis in early gastric cancer

scientific article published on 09 January 2020

Clinical impact of intratumoral HER2 heterogeneity on trastuzumab efficacy in patients with HER2-positive gastric cancer.

scientific article published on 9 April 2018

Clinical relevance of circulating tumor DNA assessed through deep sequencing in patients with metastatic colorectal cancer

scientific article published on 21 December 2018

Clinical significance of intratumoral HER2 heterogeneity on trastuzumab efficacy using endoscopic biopsy specimens in patients with advanced HER2 positive gastric cancer

scientific article published on 17 October 2018

Clinical utility of circulating tumor DNA for colorectal cancer

scientific article published on 04 March 2019

Correction to: Clinical significance of intratumoral HER2 heterogeneity on trastuzumab efficacy using endoscopic biopsy specimens in patients with advanced HER2 positive gastric cancer

scientific article published on 01 May 2019

Early hypertension and neutropenia are predictors of treatment efficacy in metastatic colorectal cancer patients administered FOLFIRI and vascular endothelial growth factor inhibitors as second-line chemotherapy

scientific article published on 21 December 2020

Non-V600E BRAF mutations and EGFR signaling pathway in colorectal cancer

scientific article published on 07 May 2019

Phase II trial of biweekly cetuximab and irinotecan as third-line therapy for pretreated KRAS exon 2 wild-type colorectal cancer

scientific article published on 13 July 2018