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Published on: November 13, 2016
Distinctive subcortical connectivity predicts treatment response in first-episode schizophrenia
Changyue Hou1, Huan Huang1, Sisi Jiang2
1The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Lab for Neuroinformation, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 611731, PR China; China-Cuba Belt and Road Joint Laboratory on Neurotechnology and Brain-Apparatus Communication, University of Electronic Science and Technology of China, Chengdu, 610054, PR China; Research Unit of NeuroInformation, Chinese Academy of Medical Sciences, 2019RU035, Chengdu, PR China.
A specific pattern of subcortical functional connectivity (FC) in the striatum predicts treatment response in first-episode schizophrenia. This finding supports using FC patterns as a biomarker for personalized schizophrenia treatment.
Area of Science:
- Neuroscience
- Psychiatry
- Medical Imaging
Background:
- Subcortical regions are critical in schizophrenia pathophysiology and treatment.
- Subcortical functional dysconnectivity is linked to treatment response in schizophrenia.
Purpose of the Study:
- To investigate the relationship between subcortical functional connectivity (FC) and treatment outcomes in schizophrenia.
- To utilize multivariate and machine learning approaches to analyze FC and treatment response.
Main Methods:
- 119 first-episode schizophrenia patients underwent MRI scanning and PANSS assessments at baseline and 12-week follow-up.
- Partial least squares analysis explored associations between changes in subcortical FC (∆FC) and symptom severity (∆PANSS).
- A machine learning algorithm predicted treatment outcomes based on baseline subcortical FC patterns.
Main Results:
- A distinct subcortical FC pattern, primarily involving the striatum, was associated with overall treatment outcomes.
- Predicted symptom reduction based on baseline FC positively correlated with actual symptom reduction after treatment.
Conclusions:
- The identified subcortical FC pattern shows potential as a biomarker for schizophrenia.
- This biomarker could aid in developing individualized treatment strategies and early intervention for improved clinical outcomes.
