20 People in Japan Died After Taking Amgen Drug - WSJ Twenty people in Japan who took Amgen’s rare-disease drug Tavneos have died, and at least 22 developed a potentially fatal liver injury, according to Kissei Pharmaceutical 4547-1 94%decrease
Amgen’s Tavneos reportedly linked to 20 deaths in Japan - MSN Twenty people died in Japan after receiving Tavneos, a rare disorder therapy developed by Amgen (AMGN), prompting its local partner Kissei (KSPHF) to urge healthcare professionals to exercise
Global Scrutiny Intensifies Over Amgen’s Rare-Disease Drug Tavneos . . . The surge in Japanese cases follows a March 2026 safety alert from the U S Food and Drug Administration (FDA) That alert identified 76 global reports of liver injury linked to Tavneos, including 54 hospitalizations and eight deaths