Comparing Multimodal Self-Management, Spinal Manipulation, and Medical Care for Subacute Back Pain

Article Impact Level: HIGH
Data Quality: STRONG
Summary of  JAMA Internal Medicine. https://doi.org/10.1001/jamainternmed.2026.1893  
Dr., Meier G Bronfort, et al.

Points

A randomized clinical trial named PACBACK evaluated 1,000 adults with acute or subacute low back pain who were screened at high risk for developing chronic disability.
Researchers compared four separate interventions over eight weeks including supported self-management, spinal manipulation therapy, a combination of both modalities, or guideline-based medical care.
Long-term outcomes measured at 12 months showed that 64 percent of the self-management cohort achieved a minimum 50 percent reduction in pain impact.
Standard guideline-based medical care consisting of anti-inflammatory medications and muscle relaxants resulted in a lower 55 percent patient response rate during the same period.
Mediation analysis revealed that improved patient self-efficacy along with reduced fear of movement explained 76 percent of the total positive self-management treatment effect.

Summary

The efficacy of clinician-supported biopsychosocial self-management against standard therapeutic approaches to prevent the transition from acute or subacute low back pain (LBP) to high-impact chronic disability. The study enrolled 1,000 adults categorized at moderate or high risk for chronicity based on a validated physical and psychological screening tool. Given that approximately 20% of patients who develop chronic symptoms account for 80% of total economic and public health burden, the research sought to determine if a patient-centered, multimodal intervention could alter long-term pain trajectories more effectively than standard therapies.

Participants were randomized into four up-to-eight-week treatment cohorts and tracked for 12 months: supported self-management (SSM), spinal manipulation therapy (SMT), combined therapy (SSM + SMT), or guideline-based medical care (MC). At 10 to 12 months post-intervention, the SSM cohort demonstrated significantly lower pain-impact scores compared to the MC group. Responder analysis revealed that 64% of participants in the self-management arm achieved at least a 50% reduction in long-term pain impact, compared to 55% in the group receiving standard medical management. (Note: Specific confidence intervals and hazard ratios were not provided in the primary source dataset).

Mechanistic mediation analysis indicated that three specific psychological shifts—improved self-efficacy, minimized fear of movement, and the reframing of unhelpful pain cognitions—accounted for 76% of the overall treatment effect. While spinal manipulation proved as effective as medical care, combining it with self-management provided no additional clinical benefit over self-management alone. These outcomes suggest that for high-risk patients with elevated psychological vulnerabilities, a clinician-guided, tailored self-management approach offers a superior, clinically relevant strategy over hands-on physical or pharmacological care alone.

Link to the article: https://jamanetwork.com/journals/jamainternalmedicine/article-abstract/2849746#google_vignette

References

Bronfort, G., Meier, E. N., Leininger, B., Schneider, M., Evans, R., Greco, C., Hanson, L., McFarland, C., Chou, R., Connett, J., Delitto, A., George, S. Z., Glick, R. M., Keefe, F., Licciardone, J., Schulz, C., Turk, D., Comstock, B. A., Vasconcelos, A. G., & Heagerty, P. J. (2026). Spinal manipulation and clinician-supported self-management for preventing chronic low back pain impact: The pacback randomized clinical trial. JAMA Internal Medicine. https://doi.org/10.1001/jamainternmed.2026.1893