Amgen (AMGN) stock is in focus as partner Kissei (KSPHF) reports 20 deaths linked to the U.S. company's rare disease drug.

At least ​20 people ‌in Japan who ​took ​Amgen's rare disease ⁠drug ​have died, ​while 22 others developed ​potentially ...

Twenty people in Japan died after taking Tavneos, though it's unclear whether the drug killed those people, a media report ...

About 20 deaths linked to serious liver dysfunction have been reported in Japan in patients treated with Amgen's rare disease ...

Kissei Pharmaceutical, which sells the rare immune-disease drug in Japan, warned doctors to stop prescribing it to new ...

TOKYO — A Japanese pharmaceutical firm has warned doctors against prescribing a drug for rare autoimmune diseases to new patients following the deaths of 20 people who took it. Kissei Pharmaceutical, ...

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Bengaluru: About 20 deaths linked to ​serious liver dysfunction have been ​reported in Japan in patients treated with Amgen's ...

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Kissei Pharmaceutical's notice to healthcare professionals came after 20 deaths possibly linked to the drug were reported in Japan.