SLC17A8 and cocaine use disorder: In the 363 cocaine use disorder patients (CUD) sample with extended phenotypic data, SLC17A8 mutations were associated with different total scores on the scale for the assessment of psychotic symptoms (SAPS) and on the delusion subscale (Fig. 1a, Kruskal-Wallis chi-squared = 8.16, df = 2, p = 0.0169, effect size = 0.00897 (small)).