BMJ Medicine has published a systematic review and meta-analysis on primary care and community interventions for people living with multimorbidity involving depression or anxiety. Across 29 randomised controlled trials, the main message is practical but measured: interventions can help, yet most effects are small and some fade with time. Collaborative care stood out as the clearest model with sustained benefit.
Key Takeaway
For patients with long term physical conditions plus depression or anxiety, structured care can improve mental health and quality of life in the short term. The review found the most durable signal for collaborative care, particularly for depression outcomes at 18 to 24 months.
What The Review Found
The BMJ Medicine review included 29 RCTs with 9,487 participants. Studies tested primary care or community based interventions for adults with depression or anxiety and at least one long term physical condition.
The authors grouped interventions into two broad categories:
- Organisational interventions, including collaborative care, stepped care, and post-discharge interventions.
- Patient oriented interventions, including exercise, psychotherapy, and psychoeducation.
Organisational interventions produced small improvements in depression symptoms and quality of life by the end of the intervention, but no clear effect on anxiety symptoms. Patient oriented interventions also produced small short term improvements in depression symptoms and quality of life, with weaker long term evidence.
Why Collaborative Care Matters
Collaborative care was the intervention type with the clearest sustained benefit. In subgroup analysis, it continued to show small improvements in depression symptoms at 18 to 24 months. The review also found evidence of benefit from organisational interventions, especially collaborative care, on some physiological outcomes such as HbA1c.
For appraisal and revalidation, this is a useful reminder that multimorbidity with mental health needs is not just a collection of separate problems. The evidence points toward proactive, coordinated, team based care rather than isolated advice or short courses of support.
Questions For Reflection
- How do we identify patients whose physical health care is being limited by untreated depression or anxiety?
- Are our reviews structured enough to connect mental health, long term condition monitoring, medication, function, and quality of life?
- Where could collaborative care principles be applied within existing primary care workflows?
- How do we avoid assuming that short term improvement means long term benefit?
Bottom Line
This BMJ Medicine review supports the value of integrated care for multimorbidity involving depression or anxiety, while keeping expectations realistic. The gains are generally small, but collaborative care appears to offer the strongest sustained benefit and deserves attention in primary care quality improvement, appraisal, and revalidation discussions.
Source: Primary care and community interventions for multimorbidity involving depression or anxiety: systematic review with meta-analysis, BMJ Medicine. DOI: 10.1136/bmjmed-2025-002400.