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Published on: July 5, 2024
11-Oxygenated Androgens in Pcos: Impact of Pcos Phenotypes and First-Line Interventions
Anuja Dokras1, Allen R Kunselman2, Christina M Stetter2
1Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology, Hospital of the University of Pennsylvania, Philadelphia, PA, USA.
The Journal of Clinical Endocrinology and Metabolism
|August 13, 2026
Summary
Adrenal-derived 11-oxygenated androgens are elevated in polycystic ovary syndrome (PCOS) and are significantly reduced by oral contraceptive pills (OCPs) and metformin. Lifestyle modification showed no short-term impact on these androgen levels.
Area of Science:
- Endocrinology
- Reproductive Health
- Metabolic Disorders
Background:
- Polycystic ovary syndrome (PCOS) is characterized by androgen excess, traditionally attributed to ovarian sources.
- Adrenal-derived 11-oxygenated androgens are potent contributors to PCOS pathophysiology but their role and treatment response remain unclear.
- Understanding these adrenal androgens is crucial for comprehensive PCOS management.
Purpose of the Study:
- To quantify 11-oxygenated androgens in PCOS phenotypes compared to controls.
- To assess the impact of oral contraceptive pills (OCPs), metformin, and lifestyle modification (LSM) on these androgens.
- To determine the clinical utility of 11-oxygenated androgens in PCOS phenotyping and treatment monitoring.
Main Methods:
- Secondary analysis of serum samples from 276 women with PCOS and 97 controls across three trials.
- Measurement of 11-oxygenated androgens (11-OHT, 11-KT, 11-KA4, 11-OHA4) and total testosterone (TT) using LC-MS/MS.
- Evaluation of interventions including OCPs, metformin, and LSM over 4-6 months.
Main Results:
- Women with PCOS exhibited elevated levels of 11-hydroxytestosterone (11-OHT) and 11-ketotestosterone (11-KT) compared to controls.
- These elevations were phenotype-specific, particularly in biochemical hyperandrogenism.
- OCPs significantly suppressed 11-KT, 11-ketoandrostenedione (11-KA4), and 11-OHT; metformin showed modest reductions in 11-OHT and 11-KT; LSM had no significant short-term effect.
Conclusions:
- 11-oxygenated androgens are elevated in a phenotype-specific manner in PCOS.
- OCPs are highly effective in suppressing these androgens, with metformin showing a moderate effect.
- These findings support the use of 11-oxygenated androgens for PCOS phenotyping and treatment evaluation.
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