The study is planned to include 2 cohorts, with enrolled patients being randomized 2:1 in a blinded manner on Day 1, following screening, to F-652 or placebo as follows:~Cohort 1: subjects will receive up to two intravenous (IV) infusions of F-652 at dose 1 or placebo. Upon completion of Cohort 1, the data monitoring committee (DMC) will convene and review all available safety data to determine if the study can proceed to the next dose level.~Cohort 2: subjects will receive up to two IV infusions of F-652 at dose 2 or placebo.~Approximately 60 eligible subjects will be enrolled in the study with 30 subjects per dose cohort. Each cohort will have about 20 subjects treated with F-652 and 10 subjects treated with matching placebo.~All randomized subjects will receive standard-of-care treatments for COVID-19 per individual institution standards. Treatment will begin on Day 1 following randomization. Subjects will receive up to two IV infusions of F-652 or matching placebo.
This is a phase 2a, multicenter, randomized, double-blinded, placebo controlled, dose escalation study in adult subjects with COVID-19 pneumonia. The primary objective of this study is to evaluate the overall safety of F-652 in COVID subjects in order to identify safe dose(s) for future studies with adequate patient numbers to demonstrate clinical efficacy.