Comparing Concomitant Use of ACell MicroMatrix® and ACell Cytal™ to Standard of Care in Stage 3 or 4 Pressure Injuries

A three arm, parallel-design, randomized study comparing 2 experimental arms to a single control arm. The primary comparison will be Group 1 (MicroMatrix® and ACell Cytal™ Wound Matrix 2-Layer vs. Group 3 (NPWT) to determine if Group 1 is superior to Group 3. NPWT is the standard of care (SOC) for patients with Stage 3 or 4 pressure ulcers and is the active control arm for the study. A secondary comparison will be conducted comparing Group 2 (MicroMatrix® and ACell Cytal™ Wound Matrix 2-Layer plus NPWT) vs. Group 3 (NPWT) to determine if Group 2 is superior to Group 3.