This study tests a new treatment for complex anal fistulas—abnormal tunnels between the rectum and skin that are hard to heal. The treatment uses a collagen plug soaked with a lab-made growth factor (rhPDGF-BB) that helps wounds heal. The trial includes 12 adults with a single fi…
Phase: PHASE2 • Sponsor: Alexander Hawkins • Aim: Disease control
Last updated May 15, 2026 11:57 UTC