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. 2022 Sep 8;131(5):325–346. doi: 10.1111/bcpt.13782

TABLE 1.

Overview of clinically relevant DPYD variants

rs number DPYD variant Nucleotide change Dose recommendation
rs3918290 DPYD *2A c.1905 + 1G > A/IVS14 + 1G > A

50% dose reduction of 5‐FU based treatment a

A gradual dose escalation is recommended in patients tolerating the 50% dose well.

rs67376798 D949V c.2846A > T
rs55886062 DPYD*13 c.1679 T > G
rs56038477 or rs75018182 “HapB3” c.1236G > A
c.1129‐5923C > G
c.483 + 18G > A
a

Patients heterozygous for one of the listed DPYD‐variants. [Correction added on 26 September 2022, after first online publication: Minor formatting/typographical changes have been made to Table 1.]