There was no significant difference in sufentanil doses consumed by lung cancer patients with mutant homozygous, mutant heterozygous and wild-type rs563649 locus of the OPRM1 gene and rs1045642 locus of the ABCB1 gene at T1, T2 and T3 (P>0.05). This evidence concerns the gene OPRM1 and lung carcinoma.