Growth factor plug aims to heal stubborn anal fistulas
Disease control
Completed
This study tests whether a collagen plug soaked with a lab-made growth factor (rhPDGF-BB) can safely help heal complex anal fistulas—abnormal tunnels between the rectum and skin. The plug is implanted during a procedure, and the growth factor is meant to boost tissue repair. The …
Phase 2 • Sponsor: Alexander Hawkins • Aim: Disease control
Last updated Aug 05, 2026 00:00 UTC