Phage Therapy for the Prevention and Treatment of Pressure Ulcers.

Study intervention consists of a dosage-metered airless spray containing a cocktail of 14 bacteriophages encapsulated in a biodegradable polymer. This bacteriophage product will be delivered topically every 3 days for 56 days or until wound has healed.

Placebo intervention consists of a dosage-metered airless spray containing a buffer solution analogous to the study intervention. This placebo will be delivered topically every 3 days for 56 days or until wound has healed.

Standard of care consists of but is not limited to offloading, positioning, cleansing, debridement, and wound dressing. A topical antimicrobial hydrogel will applied to wounds with signs of localized infection.