| Not Yet Recruiting | CGM-Based Glycemic Analysis After ESI NCT07280780 | Korea University Anam Hospital | — |
| Recruiting | Novel Soluble Epoxide Hydrolase Inhibitor for Neuropathic Pain in Patients With Spinal Cord Injury NCT06438471 | EicOsis Human Health Inc. | Phase 1 |
| Not Yet Recruiting | Proprio Spine Measurement Tool NCT07023393 | Duke University | N/A |
| Recruiting | Quadro-Iliac vs Thoracolumbar Interfascial Plane Block for Analgesia After Single-Level Lumbar Disc Surgery NCT07348419 | Samsun University | N/A |
| Not Yet Recruiting | Cytokines, Neuroplasticity Modulators, and Biomarkers in Spinal Canal Stenosis and Endoscopic Decompression NCT07232836 | Poznan University of Physical Education | N/A |
| Not Yet Recruiting | Effects of Maitland and Mulligan Spinal Mobilizations Along With Canal Enlargement Exercises in Lumbar Spinal NCT07080073 | Riphah International University | N/A |
| Recruiting | Vertebropexy - Randomized-controlled Trial NCT06024785 | Balgrist University Hospital | N/A |
| Not Yet Recruiting | Enhanced Recovery After Surgery for Spine Fusion Surgeries in the Elderly NCT06577389 | Sixth Affiliated Hospital of Xinjiang Medical University | — |
| Completed | Study of Collagen-Based Thrombin Hemostat for the Control of Bleeding in Spinal Surgery NCT07354178 | DALIM TISSEN Co., Ltd. | N/A |
| Recruiting | Dexamethasone vs. Dexmedetomidine for ESPB in Pain Management After Spine Surgery NCT06233617 | Poznan University of Medical Sciences | Phase 4 |
| Recruiting | ESCAPE : Evaluation of Spinal Conservation by Endoscopic Procedures to Avoid Fusion NCT06950853 | University Hospital, Bordeaux | — |
| Enrolling By Invitation | Natural Matrix Protein™ (NMP™) Fibers in Cervical and Lumbar Interbody Fusion NCT06000319 | Induce Biologics USA Inc. | — |
| Recruiting | Pulse-Width Modulation NCT06120231 | Dartmouth-Hitchcock Medical Center | N/A |
| Recruiting | Effect of Ketamine on Intraoperative Motor Evoked Potentials NCT06140927 | University of California, San Francisco | Phase 3 |
| Not Yet Recruiting | Effects of Cognitive Intervention Therapy on Postoperative Delirium NCT06178939 | Yonsei University | N/A |
| Completed | CEUS For Intraoperative Spinal Cord Injury NCT05530798 | Medical University of South Carolina | N/A |
| Recruiting | Comparative Study of Gene-Activated Bone Substitute "Histograft" for Lumbar and Cervical Spinal Fusion NCT06365307 | Histograft Co., Ltd. | N/A |
| Completed | Validity and Reliability of the 2-minute Step Test in Patients With Lumbar Spinal Stenosis NCT06060821 | Istanbul Physical Medicine Rehabilitation Training and Research Hospital | — |
| Recruiting | Effectiveness of a 6-week Specific Rehabilitation Program on Walking Capacity in Patients with Lumbar Spinal S NCT05513326 | Université du Québec à Trois-Rivières | N/A |
| Recruiting | PREventing Pain After Surgery NCT05306665 | Brigham and Women's Hospital | N/A |
| Recruiting | The Spine PROMCO Study NCT05963815 | Park Medical centrum | — |
| Completed | Perioperative ACT for Preventing CPSP: a Single-arm Non-randomized Pilot Trial NCT06750874 | Samantha Meints | N/A |
| Unknown | Prevalence of Cardiac Amyloidosis in Patients Undergoing Surgery for Lumbar Spinal Stenosis. NCT05701397 | Steen Hvitfeldt Poulsen | N/A |
| Unknown | Prevalence of Cardiac Amyloidosis Among Patients With a History of Lumbar Spinal Stenosis. NCT05701410 | Steen Hvitfeldt Poulsen | N/A |
| Completed | Clinical Study With a Robotic Assistant in Patients Requiring a Spinal Transpedicular Fixation NCT06153511 | Cyber Surgery S.L. | N/A |
| Withdrawn | Effects of a Spine Navigation System on Op-time and Radiation Exposure NCT04461964 | NYU Langone Health | N/A |
| Withdrawn | Comparison of Three Approaches of Electrode Placement to Detect Changes in Motor Evoked Potentials During Spin NCT05098431 | Allina Health System | N/A |
| Unknown | Study Comparing Postoperative Treatment After Surgical Decompression for Lumbar Spinal Stenosis. NCT05312281 | SRH Gesundheitszentrum Bad Herrenalb | N/A |
| Recruiting | Necessity of Fusion Following Decompression Surgery in Patients With Single-level Lumbar Stenosis NCT05273879 | Sklifosovsky Institute of Emergency Care | N/A |
| Completed | Clinical Evaluation of Orion Lamina Cover in Patients Undergoing Lumbar Laminectomy With Instrumented Fusion NCT06532968 | Orion Biotech Inc. | N/A |
| Recruiting | OssDsign® Spine Registry Study ("Propel") NCT05329129 | OssDsign | — |
| Completed | Long-term Follow-up Motion Analysis of ACD Versus ACDA NCT04545983 | Zuyderland Medisch Centrum | N/A |
| Recruiting | Thoracic-Lumbar Arthrodesis- Implanet Jazz NCT05366140 | Francis Farhadi | — |
| Enrolling By Invitation | Quest to Analyze One Thousand Humans Meditating NCT06583395 | Tobias Moeller-Bertram | — |
| Enrolling By Invitation | Applying Artificial Intelligence in Developing Personalized and Sustainable Healthcare for Spinal Disorders NCT05745129 | Oslo Metropolitan University | — |
| Terminated | Spine Registration Using 3D Scanning NCT05195580 | Advanced Scanners Inc. | — |
| Unknown | The Effect of Combination of Ultrasound and Flouroscopy Guidance in Caudal Epidural Injections NCT05145842 | Gaziler Physical Medicine and Rehabilitation Education and Research Hospital | N/A |
| Completed | Percutaneous Trans-facet Screw Fixation Under CT-scan Guidance for Remaining Symptoms at a Distance of Previou NCT05525052 | Centre Hospitalier Universitaire de Nice | — |
| Terminated | First-In-Human Study of AK1320 Encapsulated Microspheres (AK1320 MS) NCT04483297 | Asahi Kasei Therapeutics Corporation | Phase 1 |
| Recruiting | Personalized Spine Study Group (PSSG) Registry NCT04601363 | University of Colorado, Denver | — |
| Withdrawn | Post-surgical Outcomes Measure Using the ERAS Protocol for Posterior Cervical Decompression and Fusion NCT04315090 | Mayo Clinic | — |
| Completed | Physical Activity Intervention for Patients Following Lumbar Spine Surgery NCT04591249 | Vanderbilt University Medical Center | N/A |
| Enrolling By Invitation | Lumbar Interbody Implant Study NCT04418830 | NuVasive | — |
| Recruiting | Physical Therapy vs Surgical Decompression for Lumbar Spinal Stenosis NCT04552145 | Norwegian University of Science and Technology | N/A |
| Completed | Improving Spine Surgical Care With Real-Time Objective Patient Tracking Using the Apple Watch NCT04379921 | Stanford University | N/A |
| Unknown | SPIRA™-A 3D and HCT/p DBM vs. Medtronic Divergent™-L/Perimeter™ and Recombinant BMP-2 NCT04566874 | Camber Spine Technologies | N/A |
| Terminated | Single Position Spine Surgery Registry NCT04839783 | Spine and Scoliosis Research Associates | — |
| Unknown | MIS-D Versus MIS-TLIF for the Treatment of Lumbar Spinal Stenosis NCT04318795 | Third Affiliated Hospital, Sun Yat-Sen University | N/A |
| Completed | Wound Infiltration With Tramadol, Dexmedetomidine, or Magnesium Plus Ropivacaine for Pain Relief After Spine S NCT04391855 | Aristotle University Of Thessaloniki | Phase 4 |
| Enrolling By Invitation | Dose Responsiveness as a Measure of Clinical Effectiveness During Neuromonitored Spine Surgery NCT05110833 | Allina Health System | — |
| Unknown | Prospective SPINE Registry NCT04176562 | Xtant Medical | — |
| Completed | Quintex® Follow-up After One Year Minimum NCT04489394 | Aesculap AG | — |
| Completed | Mid-Transverse Process to Pleural (MTP) Block and Erector Spinal Plan (ESP) Block in Spinal Surgery NCT04193488 | Gulhane School of Medicine | N/A |
| Active Not Recruiting | PMCF Neo Pedicle Screw and Cage Systems NCT03956537 | Neo Medical SA | — |
| Completed | Spinal Epidural Lipomatosis: a Case Report and Review of the Literature NCT04622501 | Canadian Memorial Chiropractic College | — |
| Terminated | Neurosurgical Transitional Care Programme NCT03593330 | Barts & The London NHS Trust | N/A |
| Completed | Fibergraft Interbody Fusion Retrospective NCT03898232 | Bone and Joint Clinic of Baton Rouge | — |
| Completed | Screening for Systemic Amyloidosis Via the Ligamentum Flavum NCT03923920 | The Cleveland Clinic | — |
| Completed | Spine MRI in Patients With Deep Brain Stimulation (DBS) NCT03753945 | University Health Network, Toronto | N/A |
| Terminated | Single-Armed Use of ViviGen Cellular Bone Matrix in Patients Undergoing Posterolateral Lumbar Surgery NCT04007094 | Ohio State University | N/A |
| Active Not Recruiting | The European Robotic Spinal Instrumentation (EUROSPIN) Study NCT03398915 | Marc Schröder | — |
| Unknown | Bone Marrow Concentrate (BMC) Injection in Intervertebral Discs NCT04559295 | Stem Cures | Phase 2 / Phase 3 |
| Unknown | Automatic Diagnosis of Spinal Stenosis on CT NCT03746561 | Shanghai 10th People's Hospital | — |
| Completed | RPE-P/TLIF for Lumbar Spinal Stenosis With Instability NCT06290908 | Wen-xi Sun | — |
| Recruiting | Vancomycin Powder Combined With Autogenous Bone Graft as a Prevention for Post-operative Infection for Spine S NCT03883022 | Taipei Veterans General Hospital, Taiwan | N/A |
| Completed | The Comparison of Postoperative Pain After Lumbar Fusion Surgery in Intravenous Patient-controlled Analgesia B NCT03047044 | Yonsei University | N/A |
| Completed | Decompression vs Physical Training for the Treatment of Lumbar Spinal Stenosis NCT03495661 | Uppsala University | N/A |
| Completed | Value of Three-dimensional Rotational Epidurography on Percutaneous Epidural Adhesiolysis NCT04216992 | Tri-Service General Hospital | — |
| Withdrawn | Efficacy of Using Solum IV and BMC With GFC in TLIF NCT03223701 | Seton Healthcare Family | Phase 4 |
| Unknown | Burst Biologics Spinal Fusion Registry NCT03064802 | Burst Biologics | — |
| Unknown | Tranexamic Acid in Reducing Gross Hemorrhage and Transfusions of Spine Surgeries NCT03011866 | Peking Union Medical College Hospital | N/A |
| Completed | Instr. vs. Non-instr. Posterolateral Spinal Fusion in Patients With Spinal Stenosis and Degenerative Listhesis NCT04166981 | Spine Centre of Southern Denmark | N/A |
| Terminated | Prospective Follow-up of Elderly Patients Undergoing Instrumented Lumbar Arthrodesis Supplemented by the Impla NCT03434223 | Ohio State University | — |
| Completed | A Study Comparison of Clinical Outcome After Different Rate of Infusion in Caudal Epidural Steroid Injection NCT02939482 | Navamindradhiraj University | N/A |
| Completed | PASS OCT® Post-market Clinical Follow-up NCT02931279 | Medicrea International | — |
| Completed | The Effect of Dexmedetomidine on Neuroendocrine Stress Hormone Release and Heart Rate Variability in Patients NCT02902380 | Yonsei University | N/A |
| Unknown | Protection of Autonomic Nervous System During Lower Spine Surgical Procedures: A Safety and Feasibility Study NCT02873182 | Stanley Skinner | N/A |
| Completed | Retrospective Evaluation of Performance of Coflex® Interlaminer Technology Versus Decompression With or Withou NCT03041896 | Paradigm Spine | — |
| Completed | Comparison of Transforaminal vs. Parasagittal Interlaminar Epidural Injection NCT02838615 | Keimyung University Dongsan Medical Center | N/A |
| Completed | Epidural Intervention of Spinal Nerves With Tumor Necrosis Factor-Alpha Inhibitor NCT04062474 | Nanjing First Hospital, Nanjing Medical University | N/A |
| Completed | Changes in Motor Latency During Spinal Decompression: Relationship to Outcomes NCT02529943 | University of Saskatchewan | — |
| Completed | Post-op Acetaminophen vs NSAID Use on Lumbar Spinal Fusion Outcomes NCT02700451 | Hospital for Special Surgery, New York | N/A |
| Unknown | Thermographic Images as an Objective Method for Assessing the Efficacy of Steroidal Epidural Injections NCT02725723 | Tel-Aviv Sourasky Medical Center | Phase 2 / Phase 3 |
| Terminated | Investigation of Hypermobility, Biomarkers, and Pain Generators in Chronic Pain Patients NCT02761928 | The University of Texas Health Science Center, Houston | — |
| Unknown | Galeazzi Spine Surgery RegistryGaleazzi Spine Registry: Prospective Study for Clinical Monitoring NCT03644407 | I.R.C.C.S Ospedale Galeazzi-Sant'Ambrogio | — |
| Withdrawn | "Is Instrumentation Necessary for "Static" Degenerative Spondylolisthesis" NCT02530775 | University of Pittsburgh | N/A |
| Completed | New Robotic Assistance System for Spinal Fusion Surgery NCT02558621 | KB Medical SA | N/A |
| Unknown | Decompression vs. Fusion for Stable Degenerative Spondylolisthesis NCT02348645 | University Health Network, Toronto | N/A |
| Completed | The Coflex®COMMUNITY Study: An Observational Study of Coflex® Interlaminar Technology NCT02457468 | Predicted, Reported and Observed Outcomes Foundation | — |
| Terminated | Instrumented Thoracic and Lumbar Arthrodesis Supplemented by the Implanet Jazz SystemTMd NCT02411799 | Ohio State University | — |
| Unknown | Postural Balance and Stability Among Patients With Cervical and Back Pain NCT02395887 | Meir Medical Center | — |
| Terminated | A Prospective Study of NuCel® in Cervical Spine Fusion NCT02381067 | NuTech Medical, Inc | N/A |
| Completed | Clinical Trial of a Serious Game for Individuals With SCI/D NCT02341950 | University of Michigan | N/A |
| Completed | Postoperative Analgesia With Buprenorphine for Postoperative Pain Control and Quality of Life After Spinal Sur NCT02416804 | Seoul National University Hospital | Phase 4 |
| Completed | dHACM in Lumbar Decompression and Microdiscectomy Surgery NCT02300909 | MiMedx Group, Inc. | N/A |
| Terminated | Evaluation of Fusion Rate Using K2M VESUVIUS® Demineralized Fibers With K2M EVEREST® Spinal System NCT02064855 | K2M, Inc. | — |
| Completed | A Clinical Study of a Spine Fusion System in Vertebral Body Fusion Surgery NCT02252185 | Johnson & Johnson Medical (Suzhou) Ltd. | N/A |
| Unknown | Level of Activity in Lumbar Spinal Stenosis Patients Pre- and Post-surgery NCT02154191 | University of Manitoba | N/A |
| Unknown | Retrospective, Multicenter Clinical Evaluation of Health Economic Drivers and Complications for Two Lumbar Fus NCT02171169 | Baxano Surgical, Inc. | — |
| Unknown | Effectiveness of Percutaneous Foraminotomy NCT02597244 | Seoul National University Hospital | N/A |
| Unknown | The Impact of Spinal Manipulation on Leg Movement in Lumbar Spinal Stenosis Patients NCT02118103 | University of Manitoba | N/A |
| Withdrawn | Steroid Injections Given at the "Level of MRI Pathology" Versus at the "Level of Clinical Symptoms" to See if NCT02196883 | State University of New York - Upstate Medical University | N/A |
| Terminated | Human Amniotic Tissue-derived Allograft, NuCel, in Posteriolateral Lumbar Fusions for Degenerative Disc Diseas NCT02070484 | OhioHealth | N/A |
| Completed | Comparative Effectiveness of Microdecompression and Laminectomy for Central Lumbar Spinal Stenosis NCT02006901 | St. Olavs Hospital | — |
| Withdrawn | Personalized Spine Study Group Registry NCT03843476 | Medicrea, USA Corp. | — |
| Completed | Safety and Efficacy of the CarboFix Pedicle Screw System NCT02039232 | CarboFix Orthopedics Ltd. | N/A |
| Unknown | Interbody vs Instrumented Posterolateral Fusion Following Decompression for Lumbar Spinal Stenosis With Degene NCT01921530 | The London Spine Centre | Phase 4 |
| Completed | Efficacy Study of NuCel® in Patients Undergoing Fusion of the Lumbar Spine NCT02023372 | NuTech Medical, Inc | N/A |
| Completed | Acupuncture for Lumbar Spinal Stenosis NCT01987622 | Korean Medicine Hospital of Pusan National University | N/A |
| Withdrawn | Clinical Outcome and Fusion Results Using the VerteLoc® Facet Fixation Device NCT01892878 | VG Innovations, LLC | N/A |
| Completed | Assessment of nanOss Bioactive 3D in the Posterolateral Spine NCT01829997 | Pioneer Surgical Technology, Inc. | N/A |
| Terminated | Multimodal Analgesia Versus Routine Care Pain Management NCT01861743 | Rush University Medical Center | N/A |
| Completed | A Study Comparing Fusion Rates of Two Lumbar Fusion Procedures NCT01972256 | Baxano Surgical, Inc. | — |
| Completed | The Impact of Epidural Fat Resection on Postoperative Outcomes in Posterior Surgery of Lumbar Spine NCT02127008 | Seoul National University Hospital | N/A |
| Completed | Post-Approval Clinical Trial Comparing the Long Term Safety and Effectiveness Coflex vs. Fusion to Treat Lumba NCT00534235 | Paradigm Spine | N/A |
| Completed | Pre-surgery Physiotherapy for Patients With Specific Low Back Pain NCT02454400 | Linkoeping University | N/A |
| Unknown | Evaluation of Aspen Spinous Process Fixation System and PLIF Technique for the Treatment of Low Back Pain NCT01918943 | American British Cowdray Medical Center | — |
| Completed | Does PTH 1-34 (Teriparatide) Enhance Spinal Fusion in Humans? NCT02090244 | University Hospital, Linkoeping | Phase 4 |
| Unknown | Cerebrospinal Fluid Congestion in Spinal Stenosis Patients NCT01630382 | Seoul National University Hospital | — |
| Terminated | RAMP Study: A Study Comparing Two Lumbar Fusion Procedures NCT01716182 | Baxano Surgical, Inc. | — |
| Completed | Effect of Nicardipine on Renal Function in Deliberate Hypotension NCT02271191 | Yonsei University | Phase 4 |
| Unknown | The Clinical Effect of i-FACTOR® Versus Allograft in Non-instrumented Posterolateral Spondylodesis Operation i NCT01618435 | Sygehus Lillebaelt | Phase 3 |
| Completed | The Clinical Effect of i-FACTOR® Versus Allograft in Non-instrumented Posterolateral Fusion The IVANOS-study NCT02895555 | Spine Centre of Southern Denmark | N/A |
| Completed | Cognitive-Behavioral Physical Therapy NCT01131611 | Vanderbilt University | Phase 1 / Phase 2 |
| Completed | Heparin Solution and INTEM/HEPTEM Analysis NCT01522846 | Seoul National University Bundang Hospital | — |
| Recruiting | The Effect of Integrated CAM Treatment in Hospitalized Patients NCT02257723 | Jaseng Hospital of Korean Medicine | — |
| Completed | Stabilimax Investigational Device Exemption (IDE) Clinical Investigation Patient Followup Study NCT01485289 | Rachiotek LLC | — |
| Completed | Lumbar Epidural Steroid Injections for Spinal Stenosis Multicenter Randomized, Controlled Trial (LESS Trial) NCT01238536 | University of Washington | Phase 4 |
| Completed | The Analgesic Effect of Combined Treatment With Intranasal S-ketamine and Intranasal Midazolam NCT01275547 | University Hospital, Basel, Switzerland | Phase 2 / Phase 3 |
| Completed | Outcome of Surgery for Lumbar Spinal Stenosis - a Comparison of Data From Three National Quality Registries NCT02897947 | St. Olavs Hospital | — |
| Completed | Helping Patients With Spinal Stenosis Make a Treatment Decision: A Randomized Study Assessing The Benefits of NCT01263678 | Dartmouth-Hitchcock Medical Center | N/A |
| Terminated | Pilot Study on the Effect of Dexmedetomidine on Inflammatory Responses in Patients Undergoing Lumbar Spinal Fu NCT01377623 | NYU Langone Health | N/A |
| Terminated | Effectiveness of Lumbar Fusion When NanOss Bioactive Is Used With Posterolateral Gutter Fusions NCT01452516 | Pioneer Surgical Technology, Inc. | N/A |
| Completed | Safety and Preliminary Efficacy Study of NeoFuse in Subjects Undergoing Multi-Level Anterior Cervical Discecto NCT01097486 | Mesoblast, Ltd. | Phase 2 |
| Completed | Safety and Efficacy Study of NeoFuse in Subjects Undergoing Multi-Level Anterior Cervical Discectomy and Fusio NCT01106417 | Mesoblast, Ltd. | Phase 1 / Phase 2 |
| Completed | Gabapentin Versus Transdermal Fentanyl Matrix for Chronic Neuropathic Pain NCT01127100 | Seoul National University Hospital | Phase 4 |
| Completed | Neurogenic Intermittent Claudication Evaluation Study NCT00905359 | Medtronic Spinal and Biologics | Phase 4 |
| Completed | Comparison of nanOss Bioactive With Autograft and Bone Marrow Aspirate to Autograft in the Posterolateral Spin NCT01968993 | Pioneer Surgical Technology, Inc. | N/A |
| Unknown | Prospective Study of Minimally Invasive Spine Surgery NCT01045473 | Society for Minimally Invasive Spine Surgery | — |
| Completed | Safety and Preliminary Efficacy Study of NeoFuse in Subjects Requiring Lumbar Interbody Fusion NCT00996073 | Mesoblast, Ltd. | Phase 2 |
| Terminated | Bone Graft Materials Observational Registry NCT00974623 | Baxter Healthcare Corporation | — |
| Completed | Intraoperative Infusion of Precedex to Reduce Length of Stay After Lumbar Spine Fusion NCT00808665 | Vanderbilt University Medical Center | Phase 4 |
| Completed | Efficacy of Pregabalin in Patients With Radicular Pain NCT00908375 | Northwestern University | Phase 4 |
| Withdrawn | Safety and Efficacy Study of NeoFuse in Subjects Requiring Posterolateral Lumbar Fusion NCT00810212 | Mesoblast, Ltd. | Phase 1 / Phase 2 |
| Terminated | A Study of the In-Space Device for Treatment of Moderate Spinal Stenosis NCT00697827 | Synthes USA HQ, Inc. | Phase 3 |
| Terminated | Clinical Outcomes of the Trinica(R) Anterior Lumbar Plate: Fixed Screws vs. Variable Screws NCT00762723 | Zimmer Biomet | N/A |
| Completed | Clinical Trial Comparing Decompression With and Without Coflex™ Interlaminar Technology Treating Lumbar Spinal NCT01316211 | Paradigm Spine | N/A |
| Completed | Study of 3 Doses of NeoFuse Combined With MasterGraft Granules in Subjects Requiring Posterolateral Lumbar Fus NCT00549913 | Mesoblast, Ltd. | Phase 1 / Phase 2 |
| Completed | Spine Research With Roentgen Stereophotogrammetric Analysis NCT00493558 | Nova Scotia Health Authority | Phase 4 |
| Completed | Intermittent Neurogenic Claudication Treatment With APERIUS® NCT00887744 | Medtronic Spinal and Biologics | Phase 4 |
| Completed | Spine Fusion Instrumented With BMP-2 vs Uninstrumented With Infuse BMP-2 Alone NCT00405600 | Nova Scotia Health Authority | N/A |
| Unknown | Total Facet Arthroplasty System®(TFAS®) Clinical Trial NCT00418197 | Archus Orthopedics, Inc. | Phase 3 |
| Terminated | Lumbar Interbody Fusion Using the Telamon® Peek™ Versus the Telamon® Hydrosorb™ Fusion Device NCT00095095 | Medtronic Spinal and Biologics | Phase 4 |
| Completed | Spine Patient Outcomes Registry for Biomet/EBI (Electro-Biology, Inc) NCT00726284 | Zimmer Biomet | — |
| Terminated | A Clinical Study of the Dynesys(R) Spinal System NCT00759057 | Zimmer Biomet | Phase 3 |
| Completed | Greenwich Lumbar Stenosis SLIP Study NCT00109213 | Greenwich Hospital | Phase 3 |
| Completed | Epsilon-Aminocaproaic Acid to Reduce the Need for Blood Transfusions During and Following Spine Surgery NCT00320619 | National Heart, Lung, and Blood Institute (NHLBI) | N/A |
| Completed | Surgical Versus Nonsurgical Treatment for Spinal Stenosis NCT00022776 | University of Pittsburgh | Phase 3 |
| Completed | Spine Patient Outcomes Research Trial (SPORT): Spinal Stenosis NCT00000411 | Dartmouth-Hitchcock Medical Center | Phase 4 |
| Completed | Spine Patient Outcomes Research Trial (SPORT): Degenerative Spondylolisthesis With Spinal Stenosis NCT00000409 | Dartmouth-Hitchcock Medical Center | Phase 4 |