Efficacy of Osteopathic Manipulative Medicine (OMM) and Phototherapy for Patients With Chronic Lower Back Pain

This study evaluates whether a combination of osteopathic manipulative medicine (OMM) — hands-on manual therapy — and phototherapy (light therapy) can reduce chronic lower back pain. It compares the effects of these therapies in people who have had low back pain for at least 3 months. You may be eligible if: - You are between 18 and 65 years old - You have had constant or intermittent nonspecific lower back pain for at least 3 months You may NOT be eligible if: - Your back pain has a known serious cause (e.g., ankylosing spondylitis, cancer, herniated disc, spinal fracture) - You had lower back surgery in the past 3 months - You are receiving workers' compensation or are involved in back pain litigation - You are pregnant - You have photosensitivity (sensitivity to light) - You are in an active physical therapy rehabilitation program - You received OMM or spinal manipulation treatment recently Talk to your doctor to see if this trial is right for you.