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Dehydroepiandrosterone, Cancer, and Aging.
1Fels Institute for Cancer Research and Molecular Biology and Department of Microbiology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA.
Aging and Disease
|April 4, 2022
Summary
Dehydroepiandrosterone (DHEA) shows promise for age-related diseases in preclinical studies, but human trials with low doses have failed to show benefits. Higher doses may be needed to unlock DHEA
Area of Science:
- Endocrinology
- Gerontology
- Pharmacology
Background:
- Dehydroepiandrosterone (DHEA) is the most abundant human plasma steroid hormone.
- Preclinical studies suggest DHEA efficacy in age-associated diseases like cancer, diabetes, and obesity.
- Low DHEA(S) levels correlate with increased mortality, yet clinical benefits remain unclear.
Purpose of the Study:
- To investigate the biological significance of DHEA and its therapeutic potential.
- To explain the discrepancy between preclinical promise and clinical trial outcomes for DHEA.
- To introduce a novel DHEA analog for enhanced therapeutic efficacy.
Main Methods:
- Review of preclinical and epidemiological studies on DHEA.
- Analysis of human clinical trial data using oral DHEA (50-100 mg).
- Discussion of DHEA's mechanisms of action and dose-response relationships.
Main Results:
- Clinical trials with low oral DHEA doses showed no significant benefits in elderly individuals.
- Animal study doses are significantly higher (20x) than those used in human trials.
- Three key mechanisms of DHEA action identified from animal studies.
Conclusions:
- Current clinical trial doses of DHEA are likely inadequate to demonstrate therapeutic potential.
- DHEA analogs lacking androgenic/estrogenic effects show enhanced potency.
- Further research with DHEA analogs may clarify its therapeutic utility in aging and disease.
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