New Horizons in Menopause, Menopausal Hormone Therapy, and Alzheimer's Disease: Current Insights and Future Directions

  • 0Department of Neurology, Weill Cornell Medicine, New York, NY 10021, USA.

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Summary

This summary is machine-generated.

Menopausal hormone therapy (MHT) timing influences Alzheimer

Area Of Science

  • Neuroscience
  • Endocrinology
  • Gerontology

Background

  • Menopausal hormone therapy (MHT) effects on Alzheimer disease (AD) and dementia risk vary by initiation timing, age, and formulation.
  • Randomized clinical trials (RCTs) in older women (≥65) show increased dementia risk with MHT.
  • Observational studies suggest midlife estrogen-only therapy (ET) may reduce AD risk, while estrogen-progestogen therapy (EPT) shows mixed results.

Purpose Of The Study

  • To review evidence on MHT's impact on Alzheimer disease (AD) and dementia risk.
  • To advocate for using AD biomarkers to assess MHT's preventative potential.
  • To consider MHT as a potential preventative strategy for AD, given current therapeutic limitations.

Main Methods

  • Review of existing randomized clinical trials (RCTs) and observational studies on MHT and dementia.
  • Discussion of utilizing Alzheimer disease (AD) biomarkers for outcome assessment.
  • Analysis of MHT's risk-benefit profile in the context of AD prevention.

Main Results

  • MHT initiation in older postmenopausal women (≥65) is linked to increased dementia risk.
  • Midlife estrogen-only therapy (ET) use is associated with reduced Alzheimer disease (AD) risk in observational studies.
  • Estrogen-progestogen therapy (EPT) shows inconsistent associations with dementia risk.

Conclusions

  • MHT's influence on Alzheimer disease (AD) and dementia risk is complex and timing-dependent.
  • Utilizing AD biomarkers is crucial for accurately assessing MHT's preventative efficacy.
  • Further research into MHT as a time-sensitive, female-specific AD risk reduction strategy is warranted.

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