A Kynurenine Pathway-based Molecular Imaging Study of Individualized Diagnosis and Treatment for Major Depressive Disorder

  • participants needed
  • sponsor
    Shanghai Mental Health Center
Updated on 19 January 2022
psychiatric disorder
depressed mood
selective serotonin reuptake inhibitors
major depressive disorder


Major depressive disorder (MDD) is a chronic disease with high incidence rate, high recurrent rate and need whole course medical management. Varied clinical symptoms and unclear pathogenesis cause a series of clinical problem, such as low diagnostic rate and low effective treatment rate. Based on neuroimmune mechanisms of MDD, our previous study indicates that kynurenine pathway (KP) in serum may be the connections between central immune and peripheral immune, that key factors of KP may change the brain structure and function through affecting the central immune. The core research issue of this project are the inherent associations between metabonomics of inflammatory factors in KP, clinical phenotypes of MDD, and neuroimaging features. This project will focus on first-episode MDD, mass spectrometry analysis of KP factors will be conducted first, also multi-modal neuroimaging techniques will be applied to detect topological characteristics of brain structure and function in MDD and extract standard models, then correlation analyses will be performed between these molecular biological features and multi-dimensional clinical data in order to integrate KP metabonomics, core clinical characteristics (depressed mood, energy loss, interest loss and so on), neuroimaging biomarkers, and finally construct the deep learning based standard diagnostic technique of MDD. Additionally, this project will follow up MDD patients with different core clinical characteristics to certificate the aforementioned diagnostic technique as well as explore optimized treatment for different clinical subtypes.

Condition Major depression, Endogenous depression, major depressive disorder, major depressive disorders
Treatment SSRIs
Clinical Study IdentifierNCT04208932
SponsorShanghai Mental Health Center
Last Modified on19 January 2022

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