Study to Assess the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of Inhaled APN01 Developed as Treatment for COVID-19

  • participants needed
  • sponsor
    Apeiron Biologics
Updated on 26 June 2022
Accepts healthy volunteers


APN01 is a soluble recombinant form of the human angiotensin-converting enzyme 2 (rhACE2) that is currently under development as a therapy for corona-virus-disease 2019 (COVID-19). By effectively mimicking ACE2 within the body, APN01 is designed to block the SARS-CoV-2 from binding to the ACE2 receptor and infecting cells while at the same time downregulating the renin-aldosterone-angiotensin system (RAAS) to help prevent inflammation and organ injury - critical components involved in the cytokine storm response. ACE2 is the key entry receptor for the SARS-CoV-2. Competitive binding by exogenous angiotensin-converting enzyme 2 (ACE2) may block viral entry, thereby decreasing viral replication in ACE2 expressing organs and protecting the lungs and distal organs from injury induced by SARS-CoV-2.

APN01 has been developed as an IV agent to treat acute lung injury and pulmonary arterial hypertension, and moderate to severe COVID-19 infection. Encouraged by the favorable safety profile of IV APN01, we have developed the nebulized APN01 formulation to deliver the drug directly to the respiratory tract, where the virus is mainly found, decreasing systemic exposure and increasing local pulmonary concentration. APN01 intravenously and as inhalation in preclinical studies has been well tolerated with no overall difference in clinical studies from placebo in human trials to date.

This study will investigate nebulized APN01 safety, tolerability, pharmacokinetics, pharmacodynamics, and immunogenicity before stepping forward in proof-of-concept studies in patients with COVID-19.

Condition Covid19
Treatment Sodium chloride, Angiotensin Converting Enzyme 2
Clinical Study IdentifierNCT05065645
SponsorApeiron Biologics
Last Modified on26 June 2022

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