Hirohito Tsubouchi, Shuichi Hirono, Eiichi Gohda, Hiroyuki Nakayama, Kozo Takahashi, Osami Sakiyama, Hiroomi Miyazaki, Junichi Sugihara, Eiichi Tomita, Yasutoshi Muto, Yasushi Daikuhara, Shuji Hashimoto – 1 June 1989 – We have recently found the presence of human hepa‐tocyte growth factor in sera of patients with fulminant hepatic failure and have purified human hepatocyte growth factor from plasma of a patient with fulminant hepatic failure. In this paper, we report the clinical significance of human hepatocyte growth factor in blood from patients with fulminant hepatic failure.