Bicarbonate and dichloroacetate: Evaluating pH altering therapies in a mouse model for metastatic breast cancer
2011

Bicarbonate and Dichloroacetate in Metastatic Breast Cancer

Sample size: 64 publication 10 minutes Evidence: moderate

Author Information

Author(s): Ian F. Robey, Natasha K. Martin

Primary Institution: University of Arizona

Hypothesis

Can the combination of bicarbonate and dichloroacetate enhance the safety and efficacy of cancer treatment in a mouse model for metastatic breast cancer?

Conclusion

The combination therapy did not enhance the effects of chronic oral bicarbonate, and the efficacy of dichloroacetate as a cancer therapy is unpredictable.

Supporting Evidence

  • Chronic oral administration of bicarbonate significantly increases urine pH in tumor-bearing mice.
  • DB treatment resulted in significantly smaller mean tumor metastases compared to all other groups.
  • Survival was longest in mice administered bicarbonate-based therapies.
  • DCA monotherapy was not effective in reducing tumor size or metastases.
  • Primary tumor re-occurrence was associated with survival rates.

Takeaway

This study looked at how two treatments, bicarbonate and dichloroacetate, affect mice with breast cancer. It found that while bicarbonate helps, adding dichloroacetate doesn't make it better.

Methodology

Mice with breast cancer were treated with bicarbonate, dichloroacetate, or a combination of both, and their survival and tumor growth were monitored.

Potential Biases

Potential bias in treatment effects due to the specific mouse model used.

Limitations

The study's findings may not be applicable to all cancer types, and the effects of DCA were inconsistent across different conditions.

Participant Demographics

Female severe combined immunodeficient (SCID) mice aged six to eight weeks.

Statistical Information

P-Value

p=0.03 for bicarbonate, p=0.01 for DB

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2407-11-235

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