Evaluation of selected angiogenic and inflammatory markers in endometriosis before and after danazol treatment

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This study evaluated angiogenic and inflammatory markers in endometriosis patients before and after danazol treatment, finding decreased plasma CA-125 and increased VEGF post-treatment, with no marker combinations achieving >60% diagnostic sensitivity.

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Abstract

Angiogenesis and inflammation are pivotal processes in developing endometriosis in the peritoneal cavity. The aim of the present study was to evaluate these two processes in women with endometriosis who had been treated with danazol to determine the sensitivity of a non-invasive test in diagnosing endometriosis. The clinical follow-up study was conducted in a group of 103 women diagnosed laparoscopically with endometriosis. Thirty-five patients qualified for danazol treatment. Pain was assessed using a visual analogue scale, whereas endometriosis was assessed using the revised American Society of Reproductive Medicine (rASRM) scale. Cancer antigen (CA)-125 and C-reactive protein (CRP) concentrations in plasma and peritoneal fluid were determined by immunoenzymatic methods, whereas vascular endothelial growth factor (VEGF) and interleukin (IL)-1β concentrations in plasma and peritoneal fluid were determined by ELISA. Endometrial expression of IL-8 and platelet-derived growth factor alpha polypeptide (PDGF-A) was determined using real-time polymerase chain reaction (PCR). Women with endometriosis (68.9% of patients) had higher plasma concentrations of CA-125, as well as higher concentrations of both CA-125 and VEGF in the peritoneal fluid. Endometrial expression of IL-8 mRNA was significantly higher, whereas that of PDGF-A was significantly lower, in contrast. After danazol treatment the patients reported lower pain scores; in addition, CA-125 concentrations in the plasma were decreased (P60%. Danazol treatment is highly effective in relieving pain and decreasing CA-125 concentrations in the plasma. Higher plasma concentrations of VEGF after treatment could imply stimulation of angiogenesis.

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Outcome instruments

rASRM

Condition tags

endometriosis

MeSH descriptors

Biomarkers Danazol Endometriosis Inflammation Neovascularization, Pathologic Ascitic Fluid Ascitic Fluid Biomarkers CA-125 Antigen CA-125 Antigen CA-125 Antigen C-Reactive Protein C-Reactive Protein Danazol Endometriosis Endometriosis Enzyme-Linked Immunosorbent Assay Female Follow-Up Studies Humans

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References (37)

Cited by (29)

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europepmc
last seen: 2026-06-11T06:19:48.454388+00:00
openalex
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pubmed
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