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Purpose <p>Neoangiogenesis is necessary for adhesion and invasion of endometriotic lesions. We hypothesize that by blocking angiogenetic pathways we can suppress endometriosis. Oral contraceptive pills (OCs) are routinely used in endometriosis to suppress symptoms of the disease. In the current study, we attempt to evaluate the effects of OCs on various angiogenetic factors in women with endometriosis.</p> Methods <p>Sixty women with endometriosis were randomly divided into two groups. Group A consisted of 30 women who received OCs in a cyclical manner for 3 months before surgery and group B of 30 women who did not. Biopsy specimens of ovarian endometrioma were collected. We used qRT-PCR to study the mRNA expression levels of VEGF, TF, PAR-2, SP1, and FGF1.</p> Results <p>The levels of mRNA of all angiogenic factors were found to be elevated in women who received OCs compared with women who did not. This difference was statistically significant for VEGF, TF, FGF1, SP1 (<i>p</i> &lt; 0.001), and PAR-2 (<i>p</i> = 0.046).</p> Conclusion <p>OC administration does not inhibit neoangiogenesis in endometriotic lesions; on the contrary, angiogenetic pathways might be upregulated.</p>

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The effect of combined oral contraceptive pills on angiogenesis in endometriotic lesions

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年2月21日

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  • Antonis Siampalis,
  • Efthymia Papakonstantinou,
  • Maria Keramida,
  • Eleftherios Panteris,
  • Sotiris Kalogeropoulos,
  • Neoklis Georgopoulos,
  • Fuminori Taniguchi,
  • George Adonakis,
  • Tasuku Harada,
  • Apostolos Kaponis

摘要

Purpose

Neoangiogenesis is necessary for adhesion and invasion of endometriotic lesions. We hypothesize that by blocking angiogenetic pathways we can suppress endometriosis. Oral contraceptive pills (OCs) are routinely used in endometriosis to suppress symptoms of the disease. In the current study, we attempt to evaluate the effects of OCs on various angiogenetic factors in women with endometriosis.

Methods

Sixty women with endometriosis were randomly divided into two groups. Group A consisted of 30 women who received OCs in a cyclical manner for 3 months before surgery and group B of 30 women who did not. Biopsy specimens of ovarian endometrioma were collected. We used qRT-PCR to study the mRNA expression levels of VEGF, TF, PAR-2, SP1, and FGF1.

Results

The levels of mRNA of all angiogenic factors were found to be elevated in women who received OCs compared with women who did not. This difference was statistically significant for VEGF, TF, FGF1, SP1 (p < 0.001), and PAR-2 (p = 0.046).

Conclusion

OC administration does not inhibit neoangiogenesis in endometriotic lesions; on the contrary, angiogenetic pathways might be upregulated.