JUL 29, 2026 · JOURNAL ARTICLE
Treatment effects on sphingosine-1-phosphate and its receptors in major depressive disorder: implications for biomarkers
BMC Psychiatry
A single-centre, uncontrolled observational study with modest sample size (n=56 MDD patients) showing biomarker changes in response to treatment and diagnostic discrimination, but lacking a randomized comparator arm and requiring external validation before clinical deployment.
Reported
Sample size (MDD patients)56
Sample size (healthy controls)42
Treatment duration8 weeks