Kenneth Pettine (retired) has been the Principal Investigator on multiple Food and Drug Administration (FDA) clinical trials. His research into artificial disc replacement and mesenchymal stem cells has led to medical breakthroughs that have given patients more options when it comes to orthopedic surgery.

• Principal Investigator for Maverick lumbar artificial disc versus anterior lumbar interbody fusion
• Principal Investigator for Kineflex artificial lumbar disc versus Charite
• Principal Investigator for Kineflex artificial cervical disc versus anterior cervical fusion
• Principal Investigator for NeoDisc cervical artificial disc versus anterior cervical fusion
• Principal Investigator for Coflex interlaminar device versus lumbar fusion
• Principal Investigator for Charite lumbar artificial disc versus Wallis interspinous device
• Principal Investigator for Hydraflex nucleus replacement
• Principal Investigator for Discover cervical artificial disc versus cervical fusion
• Principal Investigator for Acadia lumbar facet device versus lumbar fusion
• Principal Investigator for NUBAC lumbar disc arthroplasty versus ProDisc lumbar artificial disc
• Principal Investigator for Mesoblast lumbar interbody fusion versus lumbar fusion
• Principal Investigator for NuQu injectable juvenile chondrocyte cells in degenerative disc disease – Phase I FDA Trial
• Principal Investigator for Mesoblast disc repair for lumbar degenerative disc disease – Phase I FDA Trial
• Principal Investigator for IRB study utilizing autologous bone marrow-derived cells for discogenic back pain
• Principal Investigator for Freedom lumbar artificial disc versus Pro-Disc-L
• Principal Investigator for M6-C cervical artificial disc versus anterior cervical fusion