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Related Experiment Videos

Percutaneous and transdermal oestrogen replacement therapy

R Sitruk-Ware1

  • 1Medical Department, Ciba-Geigy Ltd., Basle, Switzerland.

Annals of Medicine
|February 1, 1993
PubMed
Summary

Transdermal oestrogen replacement therapy (ERT) offers an effective alternative to oral administration, mitigating metabolic disturbances. This approach provides symptom relief and osteoporosis prevention for postmenopausal women.

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Area of Science:

  • Endocrinology
  • Dermatology
  • Pharmacology

Background:

  • Oestrogen replacement therapy (ERT) is beneficial but oral administration can cause metabolic disturbances.
  • Transdermal drug delivery offers an alternative route for systemic therapy, particularly for steroids.
  • The skin, specifically the stratum corneum, can act as both a reservoir and a rate-controlling membrane for drug release.

Purpose of the Study:

  • To explore the advantages and effectiveness of transdermal oestrogen delivery.
  • To highlight transdermal delivery as a breakthrough for hormonal replacement therapy.
  • To demonstrate the feasibility of transdermal oestradiol for postmenopausal women.

Main Methods:

  • Review of existing literature on transdermal steroid delivery systems.
  • Analysis of the skin's role in percutaneous absorption and controlled release.
  • Evaluation of clinical data on transdermal oestradiol in postmenopausal women.

Main Results:

  • Transdermal delivery bypasses first-pass metabolism, reducing metabolic disturbances associated with oral ERT.
  • Oestradiol, progesterone, and testosterone are suitable candidates for transdermal administration.
  • Transdermal oestradiol has demonstrated effectiveness and acceptability in postmenopausal women.

Conclusions:

  • Transdermal oestrogen therapy provides significant benefits, including symptom relief and osteoporosis prevention.
  • This route of administration represents a breakthrough in hormonal replacement therapy, offering a safer alternative to oral methods.
  • The skin's properties are well-suited for controlled, systemic delivery of reproductive hormones.

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