Clinical aspects of glucocorticoid sensitivity
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Updated: Nov 5, 2026

Fecal Glucocorticoid Analysis: Non-invasive Adrenal Monitoring in Equids
Published on: April 25, 2016
S W Lamberts1, A T Huizenga, P de Lange
1Department of Medicine, Erasmus University, Rotterdam, The Netherlands.
Abstract:
Recent studies demonstrate that primary (hereditary) abnormalities in the glucocorticoid receptor gene make 6.6% of the normal population relatively "hypersensitive" to glucocorticoids, while 2.3% are relatively "resistant." These abnormalities might explain why some individuals develop severe adverse effects during low dose glucocorticoid therapy, while others do not develop side effects even during long-term therapy with a much higher dose. Awareness of this heterogeneity in glucocorticoid sensitivity in the normal population might eventually allow the prediction of a "safe" dose of glucocorticoid in individual patients. "Resistance" to the beneficial clinical effects of glucocorticoid therapy in part of the patients with severe rheumatoid arthritis and asthma is probably rarely related to generalized primary (hereditary) glucocorticoid resistance. In the majority of patients this "resistance" seems to be acquired and localized to the sites of inflammation, where it reflects high local cytokine production, which interferes with glucocorticoid action. Recognition of localized, acquired glucocorticoid resistance is of great importance indicating as alternative drug therapy with other immune-modulating drugs like cyclosporin and methotrexate. Chronic high dose glucocorticoid treatment in such patients is ineffective in alleviating symptomatology, while generalized side effects occur, reflecting the patient's normal systemic sensitivity to these drugs.
Insights
Genetic variations cause differing sensitivity to glucocorticoids in the population. Understanding this hypersensitivity and resistance is key to predicting safe and effective glucocorticoid dosages for patients.
Area of Science:
- Pharmacogenomics
- Endocrinology
- Immunology
Background:
- Glucocorticoids are widely used for their anti-inflammatory and immunosuppressive effects.
- Individual responses to glucocorticoid therapy vary significantly, impacting treatment efficacy and safety.
- Primary (hereditary) genetic variations in the glucocorticoid receptor gene influence systemic sensitivity.
Purpose of the Study:
- To investigate the prevalence of hereditary glucocorticoid receptor gene abnormalities in the general population.
- To differentiate between primary (hereditary) and acquired glucocorticoid resistance.
- To inform personalized glucocorticoid dosing strategies and alternative treatment options.
Main Methods:
- Analysis of genetic variations in the glucocorticoid receptor gene.
- Clinical observation of patient responses to varying glucocorticoid doses.
- Assessment of local inflammatory markers and cytokine profiles in patients with treatment resistance.
Main Results:
- Approximately 6.6% of the population exhibit hereditary hypersensitivity to glucocorticoids.
- Around 2.3% of individuals show hereditary resistance to glucocorticoids.
- Acquired, localized glucocorticoid resistance, driven by local cytokine production, is common in inflammatory diseases like rheumatoid arthritis and asthma.
Conclusions:
- Hereditary glucocorticoid receptor gene variations contribute to differential drug sensitivity and adverse effect profiles.
- Acquired, localized glucocorticoid resistance in inflammatory sites necessitates alternative immunosuppressive therapies.
- Personalized glucocorticoid therapy, considering genetic predisposition and acquired resistance, can optimize treatment outcomes.
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