Prospective, Randomized, Multicenter FDA IDE Study of CHARITÉ Artificial Disc versus Lumbar Fusion: Effect at 5-year Follow-up of Prior Surgery and Prior Discectomy on Clinical Outcomes Following Lumbar Arthroplasty

Fred Geisler, PhD, MD, consults for DePuy Spine, Inc., Aesculap, Inc., Abbott Spine, K2M, and Spinal Motion; receives royalties from DePuy and Aesculap; and owns stock in Disc Motion and Impliant, Inc. Paul McAfee, MD, owns stock in, consults for, and has received research support from DePuy Spine, Inc., Cervitech, Inc., and Globus Medical, Inc. Robert Banco, MD, is a consultant for DePuy Spine, Inc., Stryker Corporation, Medtronic, Inc., and Impliant, Inc. Scott Blumenthal, MD, is a consultant to DePuy Spine, Inc. Richard Guyer, MD, is a consultant to and receives royalties from DePuy Spine, Inc. Mohamed E. Majd, MD is a member of the faculty with Stryker Corporation, Alphatec Spine, Inc., and DePuy Spine, Inc.