Penetration of capecitabine and its metabolites into malignant and healthy tissues of patients with advanced breast cancer
2003

Capecitabine in Breast Cancer: How It Moves in the Body

Sample size: 10 publication 10 minutes Evidence: moderate

Author Information

Author(s): Mader R M, Schrolnberger C, Rizovski B, Brunner M, Wenzel C, Locker G, Eichler H G, Mueller M, Steger G G

Primary Institution: University Hospital, Vienna, Austria

Hypothesis

How does capecitabine and its metabolites distribute in malignant and healthy tissues of breast cancer patients?

Conclusion

Capecitabine and its metabolites penetrate both malignant and healthy tissues with little selectivity.

Supporting Evidence

  • Capecitabine showed significant higher exposure in malignant tissue compared to plasma.
  • The study monitored drug levels in both blood and tissue using microdialysis.
  • Patients were selected based on specific cancer treatment resistance criteria.
  • Capecitabine and its metabolites equilibrated rapidly between plasma and tissue.

Takeaway

This study looked at how a cancer drug called capecitabine spreads in the body, showing it goes into both cancerous and healthy tissues.

Methodology

The study used microdialysis to monitor capecitabine and its metabolites in blood and tissue.

Potential Biases

Potential bias due to the selection of patients resistant to previous treatments.

Limitations

The study had a small sample size and focused only on specific patient demographics.

Participant Demographics

Patients aged 19-80 with advanced breast cancer and specific treatment history.

Statistical Information

P-Value

0.01

Statistical Significance

p=0.01

Digital Object Identifier (DOI)

10.1038/sj.bjc.6600809

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