8 research outputs found

    New advances in <i>DPYD</i> genotype and risk of severe toxicity under capecitabine - Fig 3

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    <p>Distribution of pre-treatment plasma UH2/U ratio (A) and Uracil concentrations (B) for the 205 patients with validated phenotypic data, according to <i>DPYD</i> variants of interest: variant *2A (3 heterozygous patients), D949V (3 heterozygous patients), R592W (1 heterozygous patient), D342G (1 heterozygous patient), HapB3 (4 heterozygous patients), 166VV (3 homozygous patients) <i>vs</i> any other variations (185 patients) <i>vs</i> no variation (5 patients). DPD deficiency is reflected by plasma UH2/U decrease or plasma uracil increase. All indicated genotypes were mutually exclusive. Horizontal solid lines indicate median values (10.6 for UH2/U and 9.6 ng/ml for Uracil concentration). Horizontal dotted line on Uracil plot indicates the 91st percentile (16 ng/ml) associated with enhanced grade 3–4 toxicity. Open diamonds indicate patients with toxicity grade 0-1-2 and solid bow ties indicate patients with grade 3–4 toxicity. For variants carried by at least 3 patients, distribution of phenotype was compared between carriers and non-carriers using the non-parametric Mann-Whitney test (* indicates 0.01≤p<0.05 and ** indicates p<0.01).</p
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