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Related Experiment Videos

Corticosteroids and glaucoma risk.

R C Tripathi1, S K Parapuram, B J Tripathi

  • 1Department of Ophthalmology, University of South Carolina School of Medicine, Columbia 29209, USA. rtripath@med.sc.edu

Drugs & Aging
|January 21, 2000
PubMed
Summary

Corticosteroids can raise intraocular pressure (IOP), increasing glaucoma risk, especially in primary open-angle glaucoma (POAG) patients. Understanding corticosteroid responsiveness is key to managing this risk.

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Area of Science:

  • Ophthalmology
  • Endocrinology
  • Pharmacology

Background:

  • Corticosteroids (glucocorticoids) are potent anti-inflammatory drugs with significant ocular side effects.
  • Exogenous or endogenous corticosteroid use can elevate intraocular pressure (IOP), posing a risk for glaucoma development.
  • A notable percentage of the population, particularly those with primary open-angle glaucoma (POAG), are sensitive to corticosteroid-induced IOP elevation.

Purpose of the Study:

  • To review the mechanisms and risk factors associated with corticosteroid-induced glaucoma.
  • To highlight the prevalence of corticosteroid responsiveness in the general population and POAG patients.
  • To discuss strategies for minimizing the risk and potential new treatment avenues.

Main Methods:

  • Literature review of studies on corticosteroid effects on intraocular pressure.

Related Experiment Videos

  • Analysis of epidemiological data on corticosteroid responsiveness and glaucoma.
  • Examination of in vitro studies on trabecular meshwork cells exposed to corticosteroids.

    • Main Results:

    • 18-36% of the general population are corticosteroid responders, with this figure rising to 46-92% in POAG patients.
    • Increased vulnerability to corticosteroid-induced glaucoma is observed in individuals over 40, those with diabetes, high myopia, or a family history of POAG.
    • Corticosteroid-induced glaucoma shares pathological similarities with POAG, involving changes in the trabecular meshwork and increased production of myocilin.

    Conclusions:

    • Corticosteroid-induced ocular hypertension is a significant concern, influenced by drug specifics, dosage, and patient susceptibility.
    • Judicious corticosteroid use, patient/practitioner education, and development of IOP-sparing alternatives are crucial for risk mitigation.
    • Further research into risk factors and novel therapeutic agents is warranted to address corticosteroid-induced glaucoma effectively.