TY - CHAP M1 - Book, Section TI - Chapter 8. Phase III and IV Clinical Trials A1 - Hafley, Gail E. A1 - Leonardi, Sergio A1 - Pieper, Karen S. A2 - Lopes, Renato D. A2 - Harrington, Robert A. Y1 - 2013 N1 - T2 - Understanding Clinical Research AB - Phase III trials are typically undertaken after Phase II studies have identified a potentially safe and effective dose that is considered likely to show an effect on a relevant clinical end point. Typically, regulatory approval in the United States requires two statistically significant, well-controlled clinical trials for the same indication. SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/04/16 UR - accessmedicine.mhmedical.com/content.aspx?aid=57836005 ER -