Tamoxifen and toremifene lower serum cholesterol by inhibition of delta 8-cholesterol conversion to lathosterol in women with breast cancer.

Author: GyllingH, KangasL, MiettinenT A, MäenpääH, MäntyläE, PyrhönenS

Paper Details 
Original Abstract of the Article :
PURPOSE: Long-term effects of tamoxifen and toremifene, a new antiestrogen that closely resembles tamoxifen, were investigated on serum lipids and cholesterol metabolism. PATIENTS AND METHODS: The study group consisted of 24 postmenopausal Finnish women with advanced breast cancer from an internati...See full text at original site
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引用元:
https://doi.org/10.1200/JCO.1995.13.12.2900

データ提供:米国国立医学図書館(NLM)

Tamoxifen and Toremifene: A Powerful Duo Against Cholesterol

The realm of breast cancer treatment continues to evolve, and this study delves into the potential of tamoxifen and toremifene, two antiestrogens with remarkable similarities. The researchers conducted a comprehensive investigation into their long-term effects on serum lipids and cholesterol metabolism in postmenopausal women with advanced breast cancer (n=24) from a larger international study (n=415). The results were quite remarkable. After 12 months of treatment, both tamoxifen and toremifene significantly lowered serum low-density lipoprotein (LDL) cholesterol levels by 16% and 15%, respectively, without altering high-density lipoprotein (HDL) cholesterol or serum triglyceride levels. The study also revealed a fascinating mechanism underlying these effects. Both drugs significantly increased serum delta 8-cholestenol levels, a precursor to cholesterol, suggesting that they inhibit the conversion of this precursor into lathosterol, effectively downregulating cholesterol synthesis. This remarkable finding indicates that the inhibition of the delta 8-isomerase enzyme may be the primary mechanism responsible for the hypolipidemic effects of these drugs.

Lowering Cholesterol, Reducing Risk

These findings suggest that tamoxifen and toremifene hold great promise in reducing the risk of coronary artery disease. The ability of these drugs to lower cholesterol levels through the inhibition of cholesterol synthesis represents a significant step forward in cardiovascular health. Furthermore, the absence of negative effects on HDL cholesterol and triglycerides suggests a favorable lipid profile. These results, coupled with their established efficacy in breast cancer treatment, make these drugs valuable assets in managing the health of women with this disease.

Cardiovascular Health: A Journey Through the Desert

This study highlights the critical link between breast cancer treatment and cardiovascular health. Just as a camel navigates the vast desert, it is essential to consider the multifaceted aspects of health, including cardiovascular risk, when treating breast cancer. The findings suggest that tamoxifen and toremifene may offer a dual benefit, combating both breast cancer and cardiovascular disease. This knowledge empowers women to make informed decisions about their healthcare and adopt a holistic approach to their well-being.

Dr.Camel's Conclusion

This research offers valuable insights into the complex interplay of breast cancer treatment and cardiovascular health. Tamoxifen and toremifene emerge as potent agents that lower cholesterol levels, potentially reducing the risk of coronary artery disease. Remember, managing your health is a journey, and it's essential to be aware of the interconnectedness of various health factors. By staying informed and consulting with your healthcare providers, you can navigate the desert of health challenges with greater confidence and achieve optimal well-being.

Date :
  1. Date Completed 1996-01-19
  2. Date Revised 2017-02-10
Further Info :

Pubmed ID

8523053

DOI: Digital Object Identifier

10.1200/JCO.1995.13.12.2900

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