Vadadustat for the Treatment of Nonintubated Acute Respiratory Distress Syndrome Due to Pathogen-Associated Lung Injury

Participants will receive 900mg vadadustat (as oral tablets) for 14 days or until the date of discharge, whichever comes first, at approximately the same time each day without regard for timing of meals.

Participants will receive 1200mg vadadustat (as oral tablets) for 14 days or until the date of discharge, whichever comes first, at approximately the same time each day without regard for timing of meals.

Participants will matching placebo (as oral tablets) for 14 days or until the date of discharge, whichever comes first, at approximately the same time each day without regard for timing of meals.