A lot of good info in the med journal. All I need to see was this.
The high CC50 (a measure of cytotoxicity) and low IC50 (a measure of potency) val- ues observed for brilacidin in Calu-3 cells—yielding a Selectivity Index (SI) for brilacidin of 426 (CC50 = 241 µM/IC50 = 0.565 µM)—strongly support brilacidin’s treatment poten- tial to achieve positive antiviral outcomes in humans. A vast majority of other drugs being evaluated as potential COVID-19 treatments, including repurposed drugs, have SIs that are much lower than that achieved by brilacidin [70], with most drugs failing to show anti- SARS-CoV-2 potency in the <1 µM range [71]. Of note, the IC50 (0.565 µM) and IC90 (2.63 µM) values for brilacidin observed in the Calu-3 cell line are well below clinically achiev- able concentrations based on pharmacokinetics observed in Phase 2 clinical trials with brilacidin for the treatment of Acute Bacterial Skin and Skin Structure Infections (ABSSSI). Applying the in vitro IC50 and IC90 parameter targets to in vivo human plasma concen- tration data, simulated dose regimens for brilacidin are similar to that already tested in clinical trials for ABSSSI and even exceed such targets, thereby further supporting the progression of brilacidin to clinical testing for treatment of COVID-19.
We’re golden
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