Authors: Vanessa Renner; Peter Joraschky; Clemens Kirschbaum; Julia Schellong; Katja Petrowski · Research
Can Blood Tests Help Predict PTSD Treatment Success?
New research reveals how measuring inflammation markers in the blood might help predict which PTSD treatments will work best for patients.
Source: Renner, V., Joraschky, P., Kirschbaum, C., Schellong, J., & Petrowski, K. (2022). Pro- and anti-inflammatory cytokines Interleukin-6 and Interleukin-10 predict therapy outcome of female patients with posttraumatic stress disorder. Translational Psychiatry, 12(472). https://doi.org/10.1038/s41398-022-02230-3
What you need to know
- Blood markers of inflammation may help predict how well someone will respond to PTSD treatment
- Higher levels of anti-inflammatory proteins before treatment predicted better outcomes
- The body’s stress response system appears to play a key role in treatment success
Understanding PTSD and Treatment Success
For people living with post-traumatic stress disorder (PTSD), finding an effective treatment can feel like navigating a maze. While therapy helps many people recover, between 30-50% of patients don’t get the relief they’re hoping for. This leaves both patients and clinicians wondering: could there be a way to predict who will benefit most from different treatment approaches?
The Mind-Body Connection
Recent research has revealed an fascinating connection between our mental and physical health through the immune system. When we experience stress, our bodies release various proteins called cytokines that help regulate inflammation. In people with PTSD, this system often becomes unbalanced, leading to higher levels of inflammation throughout the body.
The Study’s Approach
Researchers studied 17 women with PTSD who were beginning therapy. Before starting treatment, each participant completed a standardized stress test while researchers measured two types of cytokines in their blood:
- Interleukin-6 (IL-6): A protein that increases inflammation
- Interleukin-10 (IL-10): A protein that reduces inflammation
Key Findings
The results revealed some intriguing patterns:
- Higher levels of the anti-inflammatory IL-10 before treatment predicted better therapy outcomes
- Higher levels of the inflammatory IL-6 predicted poorer treatment response
- How strongly patients’ IL-6 levels reacted to stress also mattered - a more dynamic response predicted better outcomes
These findings suggest that our immune system’s state when beginning therapy may influence how well we respond to treatment.
What This Means for You
While this research is still in early stages, it points to several practical implications:
- If you’re struggling with PTSD, know that your physical health and immune system may play a role in your recovery
- Working with your healthcare providers to address both mental and physical health might improve treatment outcomes
- Future treatments may be better tailored to individual patients based on their immune system markers
Conclusions
- The connection between mental health and inflammation is stronger than previously thought
- Measuring immune system markers might help clinicians predict treatment success
- This research could lead to more personalized treatment approaches for PTSD patients