| Enrolling By Invitation | Prospective Evaluation of Clinical and Radiographic Outcomes Following Total Talus Replacement (PROCLAIM) Avascular Necrosis of the Talus, Talar Osteochondral Defect of Ankle, Talar Dysfunction | — | 2024-11-06 |
| Completed | Retrospective Evaluation of Clinical and Radiographic Outcomes Following Total Talus Replacement Talus, Ankle Arthropathy | — | 2022-04-05 |
| Terminated | Cervical Interbody Fusion Device Patient Registry Degenerative Disc Disease | — | 2021-11-08 |
| Terminated | A Study to Evaluate the Conformis iTotal Identity Knee Replacement System Osteoarthritis, Knee | — | 2020-10-12 |
| Terminated | TKA Operating Room Efficiency for TKA Using Customized Implant Techniques Osteoarthritis, Knee | — | 2020-01-28 |
| Terminated | A Study to Evaluate the Conformis Hip System Clinical Condition Included in the Approved Indications For Use for the Conformis Hip System | — | 2018-11-26 |
| Terminated | A Prospective Study to Evaluate the iTotal Knee and iPoly XE Tibial Inserts Knee Osteoarthritis | N/A | 2018-01-24 |
| Terminated | A Prospective Study to Evaluate the ConforMIS iTotal® (PS) Knee Replacement System Osteoarthritis, Knee | — | 2017-05-01 |
| Completed | A Retrospective Study to Evaluate the ConforMIS iTotal® Posterior Stabilized (PS) Knee Replacement System Osteo Arthritis Knee | — | 2017-04-24 |
| Completed | A Retrospective Study to Evaluate the ConforMIS iUni, iDuo & iTotal® KRS Osteoarthritis, Knee, Knee Osteoarthritis | — | 2017-04-01 |
| Terminated | A Single Time-Point Study to Evaluate the ConforMIS iTotal (PS) Knee Replacement System Versus Off-the-Shelf Osteoarthritis, Knee | — | 2016-12-16 |
| Terminated | A Multicenter Study to Evaluate Functional Outcome After Knee Replacement Osteoarthritis | N/A | 2015-07-01 |
| Completed | A Single Time-Point Study to Evaluate the ConforMIS iTotal® (CR) Knee Versus Off-the-Shelf Osteoarthritis | — | 2014-10-01 |
| Terminated | Total Knee Arthroplasty Functional Outcomes Study Research Design Osteoarthritis of the Knee | — | 2013-10-01 |
| Terminated | iUni G2+ Prospective Study Knee Osteoarthritis | — | 2013-07-15 |
| Completed | Costs and Benefits of ConforMIS iTotal® Knee Replacement System Versus Standard Total Knee Osteoarthritis,Knee | — | 2013-07-01 |
| Completed | In Vivo Comparison of Knee Kinematics for Subjects Implanted With Either a ConforMIS or Traditional Knee Impla Complications; Arthroplasty | — | 2013-06-01 |
| Terminated | Study Comparing Fit of the iTotal Versus Standard Total Knee Implants Osteoarthritis | — | 2013-02-01 |
| Terminated | A Prospective, Multicenter Study to Evaluate the ConforMIS iTotal® (CR) Knee Replacement System Osteoarthritis of the Knee | — | 2013-02-01 |
| Completed | Comparison of Knee Kinematics for Subjects Implanted With Either a ConforMIS or Traditional Knee Implant Osteoarthritis | — | 2012-08-01 |
| Terminated | Study of the ConforMIS iDuo(R) G2 Bicompartmental Osteoarthritis | — | 2012-05-01 |
| Completed | A Retrospective Study of the iTotal CR Knee Replacement System Osteoarthritis | — | 2012-01-01 |
| Terminated | Multi-Center Study to Evaluate the ConforMIS iUni Knee Implant Osteoarthritis | — | 2010-04-01 |