New heat probe could seal painful anal fistulas without surgery
Disease control
Not yet recruiting
This study tests a procedure called radiofrequency ablation (RFA) to treat perianal fistulas—abnormal tunnels that form near the anus, causing pain and drainage. Researchers want to see if using heat to seal the fistula can safely close it and prevent it from coming back. About 8…
Phase: NA • Sponsor: Korea University Ansan Hospital • Aim: Disease control
Last updated Apr 30, 2026 15:51 UTC