Correlation of capecitabine-induced skin toxicity with treatment efficacy in patients with metastatic colorectal cancer: results from the German AIO KRK-0104 trial
2011

Capecitabine and Skin Toxicity in Colorectal Cancer Treatment

Sample size: 185 publication Evidence: moderate

Author Information

Author(s): Stintzing S, Fischer von Weikersthal L, Vehling-Kaiser U, Stauch M, Hass H G, Dietzfelbinger H, Oruzio D, Klein S, Zellmann K, Decker T, Schulze M, Abenhardt W, Puchtler G, Kappauf H, Mittermüller J, Haberl C, Giessen C, Moosmann N, Heinemann V

Primary Institution: Medical Department III, University of Munich, Klinikum Muenchen-Grosshadern

Hypothesis

There is a correlation between capecitabine-induced skin toxicity and treatment efficacy in patients with metastatic colorectal cancer.

Conclusion

The study found that capecitabine-induced skin toxicity is associated with better treatment outcomes in terms of disease control rate, progression-free survival, and overall survival.

Supporting Evidence

  • Capecitabine-attributed skin toxicity was observed in 32.2% of patients.
  • Patients with grade 1-3 skin toxicity had a disease control rate of 97.9% compared to 86.1% for those with grade 0.
  • Progression-free survival was significantly longer in patients with grade 1-3 skin toxicity (9.9 months) compared to those with grade 0 (5.6 months).
  • Overall survival was also longer for patients with grade 1-3 skin toxicity (32.8 months) compared to grade 0 (22.4 months).

Takeaway

If patients taking capecitabine for cancer treatment get skin rashes, it might mean the treatment is working better for them.

Methodology

Patients were randomized to receive either capecitabine with irinotecan or capecitabine with oxaliplatin, and skin toxicity was evaluated alongside treatment efficacy.

Limitations

The study is limited by its retrospective nature and the relatively small patient number.

Participant Demographics

Patients with metastatic colorectal cancer from 35 German centers.

Statistical Information

P-Value

P=0.038 for disease control rate; P<0.001 for progression-free survival; P=0.008 for overall survival.

Confidence Interval

95% CI: 40.9–64.0 for overall response rate; 95% CI: 4.8–6.3 for progression-free survival.

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/bjc.2011.227

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