FDA places clinical hold on RAPT Therapeutics' atopic dermatitis and asthma trials due to liver failure event.

RAPT Therapeutics (NASDAQ: RAPT) saw shares plummet by over 60% after the FDA placed a clinical hold on two of its ongoing trials for its experimental inflammation treatment zelnecirnon, in atopic dermatitis and asthma, due to a liver failure event in one patient. The company expects to receive a formal clinical hold letter from the FDA, which means dosing and enrollment in both trials must be halted.

February 20, 2024
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