APEIRON Biologics AG: APEIRON Biologics' APN01 Selected for Large-Scale US Trial in COVID-19 APEIRON's APN01 to participate in US Phase 2 COVID-19 trial ACTIV-4d RAAS Further clinical study in preparation with inhalative drug delivery of APN01 to directly target respiratory tract and lung tissue Additional pre-clinical data show highly promising results with APN01 in various mutation variants Financing round planned to secure funding of further upcoming development steps VIENNA, AUSTRIA / ACCESSWIRE / May 19, 2021 / APEIRON Biologics AG announced today the next development steps for APN01 (alunacedase alfa) for the treatment of COVID-19. Based on the recently announced clinical results from APEIRON's Phase 2 trial with APN01 in COVID-19, APN01 will be developed in further international clinical trials with different COVID-19 patient populations and drug delivery routes.