A PhII flop trig­gers an ug­ly rout for mi­cro-cap biotech Aridis; Gen­fit CEO pass­es ba­ton to suc­ces­sor

Mi­cro-cap biotech Aridis Phar­ma­ceu­ti­cals $ARDS got ham­mered this morn­ing as in­ves­ti­ga­tors re­vealed that one of its clin­i­cal-stage drugs failed a mid-stage study, trig­ger­ing safe­ty fears and forc­ing the com­pa­ny to dump the pro­gram.

The an­ti-in­fec­tive out­fit says that AR-105 — an an­ti­body — failed to beat out a place­bo in treat­ing ven­ti­la­tor-as­so­ci­at­ed pneu­mo­nia caused by gram-neg­a­tive Pseudomonas aerug­i­nosa. And there was an im­bal­ance in deaths and se­ri­ous ad­verse events that left the ther­a­py with a worse safe­ty pro­file.

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