Alteogen shares declined on December 5. Investor sentiment appears to have weakened after the subcutaneous (SC) formulation of the immuno-oncology drug "Keytruda SC" was hit with a provisional sales ban in Germany.


As of 10:50 a.m. on this day, Alteogen shares were trading at 457,500 won on the KOSDAQ market, down 11.85% from the previous trading day. The stock opened at 512,000 won and has continued to widen its losses.


On December 4 (local time), U.S.-based Halozyme Therapeutics announced that it had won a patent infringement lawsuit against U.S. pharmaceutical company MSD in a German court. Halozyme had filed for a provisional injunction, claiming patent infringement and requesting that MSD be barred from distributing and selling Keytruda SC in Germany.



However, MSD is reportedly planning to immediately appeal the decision.

[Market Focus] Alteogen Slumps on News of Keytruda SC Sales Ban in Germany View original image


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