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Related Experiment Videos

[Experimental study on estrogenic function of triphasic contraceptive tablets].

Fangju Yang1, Min Zhang, Ling Zhu

  • 1Department of Pharmacology, West China of Preclinical and Forensic Medicine, Sichuan University, Chengdu 610041, China.

Sichuan Da Xue Xue Bao. Yi Xue Ban = Journal of Sichuan University. Medical Science Edition
|December 17, 2004
PubMed
Summary
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Both homemade (Kalirui) and imported (Trinordiol) triphasic oral contraceptives demonstrate estrogenic activity. This supports the use of Kalirui for treating various dysfunctional uterine bleeding conditions.

Area of Science:

  • Pharmacology
  • Endocrinology

Context:

  • Dysfunctional uterine bleeding (DUB) encompasses conditions like metrorrhagia, menometrorrhagia, oligomenorrhea, and polymenorrhea.
  • Oral triphasic contraceptives are commonly prescribed for DUB management.
  • Understanding the estrogenic activity of these contraceptives is crucial for optimizing treatment strategies.

Purpose:

  • To evaluate the estrogenic effect and activity of oral triphasic contraceptive tablets, specifically homemade Kalirui and imported Trinordiol.
  • To establish a theoretical basis for utilizing Kalirui in treating DUB.

Summary:

  • Vaginal smears of mice treated with Kalirui and Trinordiol showed accelerated kera-epithelium formation, indicating estrogenic activity.
  • Radioligand receptor assay revealed that both Kalirui and Trinordiol possess high affinity for estrogen receptors, comparable to a standard estrogen sample.

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  • No significant differences in estrogenic activity were observed between Kalirui and Trinordiol.

    • Impact:

    • The findings confirm the estrogenic properties of triphasic oral contraceptive tablets.
    • This research provides a scientific rationale for the clinical application of Kalirui in managing DUB.