| Duragesic® (Fentanyl Transdermal System) Functionality Trial in Chronic Low Back Pain (NCT00237341) | PriCara, Unit of Ortho-McNeil, Inc. | 2002-06-01 |
| Managing Non-acute Low Back Symptoms in Occupational Health: Two Trials (NCT00908102) | University of Helsinki | 2001-09-01 |
| Manipulation, Exercise, and Self-Care for Low Back Pain (NCT00269347) | Northwestern Health Sciences University | 2001-01-01 |
| Massage, Meditation, and Tai Chi for Chronic Lower Back Pain (NCT00070915) | Kaiser Permanente | 2000-09-01 |
| Spine Patient Outcomes Research Trial (SPORT) - Intervertebral Disc Herniation (NCT00000410) | Dartmouth-Hitchcock Medical Center | 2000-03-01 |
| Spine Patient Outcomes Research Trial (SPORT): Spinal Stenosis (NCT00000411) | Dartmouth-Hitchcock Medical Center | 2000-03-01 |
| Spine Patient Outcomes Research Trial (SPORT): Degenerative Spondylolisthesis With Spinal Stenosis (NCT00000409) | Dartmouth-Hitchcock Medical Center | 2000-03-01 |
| Trends in Prevalence of 11 Site-specific Musculoskeletal Pain Among U.S. Adults, 1999-2018 (NCT06494670) | Fan luying | 1999-01-01 |
| Low Back Pain Patient Education Evaluation (NCT00000408) | Stanford University | 1998-02-01 |
| IPM Procedures With or Without Fluoroscopy: Outcome Comparison (NCT00371618) | Pain Management Center of Paducah | 1998-01-01 |
| A Prospective Cohort Study of MR Abnormalities and Back Pain Risk (NCT00011739) | US Department of Veterans Affairs | 1997-11-01 |
| Workplace Based Rehabilitation for Low Back Disorders (NCT00316342) | Rush University Medical Center | 1997-01-01 |
| McKenzie Exercise Vs Harmonic Technique in Chronic Low Back Pain (NCT02178202) | University of Tehran | |
| Effect of Myofascial Release Technique on Reducing Symptoms in Patients With Chronic Disc Protrusion (NCT01725516) | Shiraz University of Medical Sciences | |
| A Study on Efficacy (Effectiveness), Safety, and Impact on Quality of Life Measures of Dilaudid CR (Controlled Release);, Hydromorphone HCl in Patients With Chronic Low Back Pain (NCT00398788) | Alza Corporation, DE, USA | |
| Clinical Evaluation of the ReLeaf Analgesic Infusion Catheter & Wound Drain (NCT02293525) | Vital 5, LLC | |
| Information or Physical Activity for Chronic LBP (NCT00410319) | University of Southern Denmark | |
| Safety, Effectiveness, and Impact on Quality of Life on Long-Term Administration of OROS Hydromorphone Slow-Release in Patients With Chronic Low Back Pain (NCT00411268) | Alza Corporation, DE, USA | |