The current treatment paradigm for Crohn's disease is a pyramid approach, where patients are given the safest medications before pursuing more aggressive strategies. New evidence suggests that Crohn's disease should be treated with the most effective medications first, such as anti-TNF therapies. But is a top-down strategy safe enough for most patients? Dr. William Sandborn, professor of medicine and gastrointestinal research at Mayo Clinic College of Medicine, describes the results of new Crohn's disease trials and research. Is using steroids to treat Crohn's disease an idea of the past, or are steroids still effective for certain patients? Dr. Mark DeLegge hosts.