Disease that scars lungs is affecting more women STLtoday.com IPF has no proven treatment other than lung transplantation. Many drugs tested have failed to demonstrate a benefit. Pirfenidone, a drug that failed to show a clear benefit in a large clinical trial, did show some promise and will be tested again. ... New insights come from tracing cells that scar lungs New insights come from tracing cells that irreversibly scar lungs |