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Updated: Mar 30, 2026

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Published on: June 8, 2021
A pharmacogenomic study revealed an association between SLC6A4 and risperidone-induced weight gain in Chinese Han
Fang Wang1,2,3, Weifeng Mi1,2, Wenbin Ma4
1Peking University Sixth Hospital (Institute of Mental Health), Beijing 100191, China.
Aim:
We carried out a pharmacogenomic study in order to identify susceptible genes for antipsychotics induced weight gain within the Chinese Han population.
Materials & Methods:
We enrolled 216 patients with schizophrenia in our study. All of them underwent risperidone monotherapy, and fulfilled 4-week follow-up. Weight gain was measured before treatment and 4 weeks later. Seven hundred and sixty-eight SNPs from 85 genes were calculated for association with weight gain percentage.
Results:
Fifty-seven SNPs located at 16 genes with a p-value less than 0.05.4 SNPs located on serotonin transporter gene (solute carrier family 6, member 4, SLC6A4) remained significant after multitest correction (rs3813034, p = 0.000357, q = 0.08, rs1042173, rs4325622, rs9303628, p = 0.000451, q = 0.08).
Conclusion:
SLC6A4 might be susceptible gene for risperidone-induced weight gain within the Chinese Han population.
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