The Cortisol and ACTH response to Dex/CRH testing in Women w
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Abnormalities in the hypothalamic pituitary-adrenal (HPA) axis are frequent accompaniments of depression, and studies have documented the role of stress and stressful life events in the ontogeny of perimenopausal depressions (PMD). Since HPA axis function in women is further modulated by both aging and ovarian steroids, it is possible that a dysregulated HPA axis contributes to the increased risk of PMD.

Researchers examined HPA axis function in perimenopausal women with and without depression using the combined dexamethasone-CRH (Dex/CRH) test.

Dex/CRH tests were performed on 20 women with PMD and 20 women who were also perimenopausal but without current or past depression (control women). Main outcome measures were plasma levels of cortisol and ACTH and 24-hour urinary free cortisol. Five women took chronic stable medications, otherwise all women were medically healthy, and both groups were comparable with respect to reproductive stage and age. Standardized symptom rating scales were administered to each woman prior to Dex/CRH testing.

No group differences were present in either baseline or stimulated ACTH and cortisol secretion. Baseline plasma measures of estradiol, progesterone and 24-hour UFC levels similarly did not differ in PMD and control women.

Despite reports of increased stress responsiveness in PMD, we observed no abnormalities of HPA axis activity associated with PMD compared with women without depression. These findings suggest that PMD is not uniformly associated with HPA dysregulation and could reflect underlying pathophysiologic processes that are distinct from women with non-reproductive-related depressions.

Source: https://academic.oup.com/jcem/advance-article-abstract/doi/10.1210/clinem/dgab407/6294182?redirectedFrom=fulltext
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