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Arroyo Seguí et al. J Transl Genet Genom 2020;4:263-77  I  http://dx.doi.org/10.20517/jtgg.2020.35                           Page 273



                 OPRM1 rs1799971: Level 3  OPRD1 rs2234918: Level 3  COMT rs4680: Level 3  ARRB2 rs1045280: Level 3  ABCB1 rs1045642: Not   available  OPRD1 rs678849: Level 2B  OPRD1 rs581111: Level 3  OPRD1 rs529520: Level 3  Other variants: not available











                 [46,68]                                             [48]    [49]






                 No associations were found between any  variant and program response For OPRM1 rs1799971, a significant association  was found, where carriers of the G-allele (AG/ GG) required higher MEDD for analgesic control  and prevention of withdrawal symptoms For OPRM1 rs1799971, AA genotype was  associated with a higher incidence of nausea  and gastrointestinal adverse events when  compared with AG/GG genotypes For OPRD1 rs2234918, CT genotype was  associated with



















                 rs1799971  rs2234918  rs4680  rs1045280  rs1045642  rs678849  rs581111  rs529520  rs1042114  rs678849  rs10753331  rs2234918










                 OPRM1  OPRD1  COMT  ARRB2  ABCB1                    OPRD1   OPRD1




                 Response to opioid   deprescription   program 3 , incidence   of adverse effects  Urine drug screens for   opioids  Urine drug screens for   opioids











                 European ancestry  (n = 88, 64% females)            African American  (n = 55, 84% males)  European American  Males (n = 218)  vs.   Females (n = 81)  (Subset of START trial)
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