The influence of micrometastases on prognosis and survival in stage I-II colon cancer patients: the EnrouteāŠ• Study
2011

The Enroute+ Study: Micrometastases and Colon Cancer Prognosis

Sample size: 1000 publication 10 minutes Evidence: moderate

Author Information

Author(s): Daniel J. Lips, Boukje Koebrugge, Gerrit Jan Liefers, Johannes C. van der Linden, Vincent T.H.B.M. Smit, Hans F.M. Pruijt, Hein Putter, Cornelis J.H. van de Velde, Koop Bosscha

Primary Institution: Jeroen Bosch Hospital and Leiden University Medical Center

Hypothesis

Can adjuvant chemotherapy improve disease-free survival in stage I-II colon cancer patients with micrometastases?

Conclusion

Adjuvant chemotherapy may reduce disease recurrence in high-risk stage I-II colon cancer patients with micrometastases.

Supporting Evidence

  • 30% of pN0 colon cancer patients may develop disease recurrence.
  • Adjuvant chemotherapy is currently only offered to high-risk stage II colon cancer patients in the Netherlands.
  • Micrometastatic disease has been linked to worsened disease-free survival.

Takeaway

Some colon cancer patients have tiny cancer cells that are hard to find. This study is trying to see if giving them extra medicine after surgery can help them stay healthy longer.

Methodology

This is a multicenter, randomized controlled trial involving patients with stage I-II colon cancer who are tested for micrometastases and randomized to receive either chemotherapy or observation.

Potential Biases

Potential biases may arise from the randomization process and patient selection criteria.

Limitations

The study may not be generalizable to all colon cancer patients, as it focuses on a specific subset with micrometastases.

Participant Demographics

Adult patients (age above 18) with stage I-II colon cancer.

Statistical Information

P-Value

0.003

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2482-11-11

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