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. Author manuscript; available in PMC: 2015 Oct 29.
Published in final edited form as: Cancer. 2012 Oct 23;119(5):1106–1112. doi: 10.1002/cncr.27862

Table 4.

Association of gene polymorphisms with treatment-related toxicity

Treatment Arm
NT 5-FU/RT mFOLFOX-6
Gene
polymorphism
Patients
n=132
Grade ≥3 AE
n=27
p-value Patients
n=132
Grade ≥3 AE
n=24
p-value Patients
n=80
Grade ≥3 AE
n=9
p-value
XRCC1 R399Q
  R399 alone 40 2 (5%) 0.003 40 2 (5%) 0.01 17 0 (0%) 0.10
  Q399 92 25 (27%) 92 22 (24%) 63 9 (14%)
XPD K751Q
  K751 alone 55 17 (31%) 0.02 55 15 (27%) 0.02 32 6 (19%) 0.08
  Q751 77 11 (14%) 77 9 (12%) 48 3 (6%)
TP53 R72P
  R72 alone 95 15 (16%) 0.05 95 14 (15%) 0.10 57 3 (5%) 0.008
  P72 37 12 (32%) 37 10 (27%) 23 6 (26%)

AE: Adverse events; 5-FU: 5-fluorouracil; RT: Radiotherapy; NT: neoadjuvant chemoradiation therapy; mFOLFOX-6: Modified FOLFOX-6 chemotherapy