Co-Inhibition of tGLI1 and GP130 Using FDA-Approved Ketoconazole and Bazedoxifene Is Synergistic Against the Growth and Metastasis of HER2-Enriched and Triple-Negative Breast Cancers
2024

Combining Ketoconazole and Bazedoxifene to Fight Breast Cancer

publication 10 minutes Evidence: high

Author Information

Author(s): Manore Sara, Zhuang Chuling, Najjar Mariana K., Wong Grace L., Bindal Shivani, Watabe Kounosuke, Lin Jiayuh, Lo Hui-Wen, Weiskirchen Ralf

Primary Institution: Wake Forest University School of Medicine

Hypothesis

Co-targeting tGLI1 and IL-6R/GP130 signaling pathways will be synergistic against HER2-enriched and triple-negative breast cancers.

Conclusion

The combination of Ketoconazole and Bazedoxifene effectively reduces tumor growth and metastasis in aggressive breast cancer subtypes.

Supporting Evidence

  • tGLI1 and GP130 are co-overexpressed in 53.8% and 44.4% of HER2-enriched and TNBC cases, respectively.
  • Combination therapy significantly reduced cell viability and suppressed breast cancer stem cell phenotypes.
  • KCZ and BZA treatment led to decreased tumor growth and metastatic burden in mouse models.

Takeaway

Researchers found that using two existing drugs together can help fight certain types of breast cancer better than using them alone.

Methodology

The study involved in vitro and in vivo experiments using breast cancer cell lines and patient-derived xenograft models to assess the effects of the drug combination on cancer cell viability and metastasis.

Limitations

The study primarily focuses on in vitro and animal models, which may not fully replicate human responses.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/cells13242087

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