Dr Sadahisa Ogasawara obtained his medical degree in 2004 and his PhD in 2012 from Chiba University (Japan). He is a hepatologist and works at Chiba University Hospital. He is currently an Assistant Professor of the cranial research center at Chiba University Hospital as well as on the staff of the Department of Gastroenterology, Chiba University, Graduate School of Medicine, where his research is focused on loco-regional treatments and systemic therapies of hepatocellular carcinoma. Relevant Publications Ogasawara S, Chiba T, Motoyama T, Kanogawa N, Saito T, Shinozaki Y, Suzuki E, Ooka Y, Tawada A, Kato H, Okabe S, Kanai F, Yoshikawa M, Yokosuka O. Prognostic significance of concurrent hypovascular and hypervascular nodules in patients with hepatocellular carcinoma. PLoS One 2016 Sep 20; 11(9): e0163119. Ogasawara S, Chiba T, Ooka Y, Suzuki E, Inoue M, Wakamatsu T, Tawada A, Yokosuka O. Analysis of sorafenib outcome: focusing on the clinical course in patients with hepatocellular carcinoma. PLoS One 2016 Aug 18; 11(8): e0161303. Ogasawara S, Chiba T, Ooka Y, Kanogawa N, Motoyama T, Suzuki E, Tawada A, Azemoto R, Shinozaki M, Yoshikawa M, Yokosuka O. A prognostic score for patients with intermediate-stage hepatocellular carcinoma treated with transarterial chemoembolization. PLoS One 2015 Apr 28; 10(4): e0125244. Ogasawara S, Chiba T, Ooka Y, Kanogawa N, Saito T, Motoyama T, Suzuki E, Tawada A, Kanai F, Yokosuka O. Sorafenib treatment in Child-Pugh A and B patients with advanced hepatocellular carcinoma: safety, efficacy and prognostic factors. Invest New Drugs 2015 Jun; 33(3): 729-39. Ogasawara S, Chiba T, Ooka Y, Kanogawa N, Motoyama T, Suzuki E, Tawada A, Kanai F, Yoshikawa M, Yokosuka O. Efficacy of sorafenib in intermediate-stage hepatocellular carcinoma patients refractory to transarterial chemoembolization. Oncology 2014; 87(6): 330-41.

Asst. Prof. Sadahisa Ogasawara has received financial support/sponsorship for research support, consultation, or speaker fees from the following companies: