Safety after extended repeated use of ulipristal acetate for uterine fibroidsReportar como inadecuado




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Objective

To assess long term safety of extended repeated 3-month courses of ulipristal acetate UPA 10 mg-day, for up to 8 courses, with focus on endometrial and laboratory safety parameters.

Methods

This long-term, multi-center, open-label cohort, follow up study consisted of up to 8 consecutive 3-month courses of daily UPA 10 mg, each separated by a drug free period of 2 spontaneous menstrual bleeds. Sixty-four pre-menopausal women, with moderate to severe symptomatic uterine myomas and heavy bleeding were enrolled and were studied for approximately 4 years. The main outcome measures were endometrial histology, laboratory parameters and general safety.

Results

All data was reported in a descriptive manner with no formal statistical comparisons. In the 64 women, non-physiological changes mostly cyst formation, epithelial and vascular changes in endometrial histology at screening and after treatment courses 4 and 8 were observed in 18.0%, 21.4% and 16.3% of biopsies, respectively. After treatment cessation, such changes were observed in 9.1% of biopsies. All endometrial biopsies were benign after course 8. The median endometrial thickness was 7.0 mm, 10–18 days after the start of menses following treatment courses 5–8, compared to 9.0 mm at screening before UPA treatment. No changes in the number and type of laboratory results outside the normal ranges were observed with the increasing treatment courses. In total, adverse events were reported in 10 16%, 12 19%, 8 14% and 5 9% subjects, during treatment courses 5, 6, 7 and 8, respectively of which the most frequent adverse events were headache and hot flush.

Conclusion

The results of this study further support the safety profile of extended repeated 3 months treatment of symptomatic fibroids with ulipristal acetate 10 mg-day. Repeated UPA treatment courses did not result in any changes of concern in endometrial histology, endometrial thickness, or laboratory safety measures.



Autor: Bart C. J. M. Fauser , Jacques Donnez , Philippe Bouchard , David H. Barlow , Francisco Vázquez , Pablo Arriagada , Sven O. Skou

Fuente: http://plos.srce.hr/



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