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Abstract #5046

Prediction of early response to antidepressant medication in MDD adolescents using radiomics analysis based on brain multiscale structural MRI

Huan Ma1, Jianzhong Yang2, Yingying Ding1, Kun Li1, Dafu Zhang1, Zhongping Zhang3, and Xiaoyong Zhang4
1Department of Radiology, The Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China, 2Department of Psychiatry, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China, 3Philips Healthcare,Guangzhou China, Guangzhou, China, 4Clinical Science, Philips Healthcare, Chengdu, China, Chengdu, China

Synopsis

Keywords: Psychiatric Disorders, Psychiatric Disorders, Major depressive disorder; Antidepressant medication; Magnetic resonance imaging; Radiomics; Machine learning

Based on the radiomics analysis framework and using machine learning, this study constructed a multiscale structural MRI prediction model to predict the early response of MDD patients to antidepressant medication, and determined the radiomics features with high weight for SSRIs/SNRIs selection. The results showed that the baseline radiomics model after normalization can effectively predict the early treatment response of ADM in adolescent MDD patients, and is superior to the model based on conventional imaging indicators and unnormalized radiomics features. The AUC, accuracy, sensitivity and specificity of predicting SSRIs improvement and SNRIs improvement are 0.954, 89.2%, 87.4% and 88.5%, 0.942, 91.9%, 82.5% and 86.8%, respectively.

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Keywords