International journal of women's health · 2020
Bleeding Pattern and Management of Unexpected Bleeding/Spotting with an Extended Regimen of a Combination of Ethinylestradiol 20 mcg and Drospirenone 3 mg.
СтатьяНазвание и аннотация: Перевод в очереди
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Bonassi Machado Rogerio, Pompei Luciano de Melo, Andrade Rosires, Nahas Eliana, Guazzelli Cristina, Wender Maria Celeste, Cruz Achilles Machado
Аннотация
OBJECTIVE: To compare the bleeding pattern in women using ethinylestradiol 20 mcg/drospirenone 3 mg (EE 20 mcg/DRSP 3 mg) in a 24/4-day cyclic regimen with an extended regimen. Unexpected bleeding/spotting in the extended regimen group was managed by allowing a 4-day hormone-free interval (HFI).
METHODS: This was a randomized, prospective, open-label, multicenter study. Participants (N = 348) were randomized to receive EE 20 mcg/DRSP 3 mg in either an extended regimen (EE/DRSPes group) or a 24/4-day cyclic regimen (EE/DRSP24/4 group) and followed for 168 days. In the EE/DRSPes group, a 4-day HFI was allowed whenever unexpected bleeding/spotting persisted for ≥7 consecutive days. The participants assessed their bleeding daily as "no bleeding," "spotting," or "light," "moderate," or "heavy" bleeding according to a predefined scale.
RESULTS: EE/DRSPes group experienced fewer days of bleeding than those using a 24/4 cyclic regimen (P < 0.001). After 168 days, 57.5% of women in the EE/DRSPes group achieved complete amenorrhea (i.e., neither bleeding nor spotting) and 73.9% achieved "no bleeding" (i.e., no bleeding with or without spotting) during the final 28-day interval of the study period. Women in the extended group who instituted the 4-day HFI experienced a 94.1% rate of successful management of unexpected bleeding/spotting.
CONCLUSION: The use of EE 20 mcg/DRSP 3 mg in an extended regimen resulted in high rates of amenorrhea and "no bleeding". Unexpected bleeding/spotting in the EE/DRSPes group could be managed effectively with a 4-day HFI.
CLINICAL TRIAL REGISTRATION: International Standard Randomised Controlled Trial Number (ISRCTN57661673): http://www.controlled-trials.com/isrctn/pf/57661673.
METHODS: This was a randomized, prospective, open-label, multicenter study. Participants (N = 348) were randomized to receive EE 20 mcg/DRSP 3 mg in either an extended regimen (EE/DRSPes group) or a 24/4-day cyclic regimen (EE/DRSP24/4 group) and followed for 168 days. In the EE/DRSPes group, a 4-day HFI was allowed whenever unexpected bleeding/spotting persisted for ≥7 consecutive days. The participants assessed their bleeding daily as "no bleeding," "spotting," or "light," "moderate," or "heavy" bleeding according to a predefined scale.
RESULTS: EE/DRSPes group experienced fewer days of bleeding than those using a 24/4 cyclic regimen (P < 0.001). After 168 days, 57.5% of women in the EE/DRSPes group achieved complete amenorrhea (i.e., neither bleeding nor spotting) and 73.9% achieved "no bleeding" (i.e., no bleeding with or without spotting) during the final 28-day interval of the study period. Women in the extended group who instituted the 4-day HFI experienced a 94.1% rate of successful management of unexpected bleeding/spotting.
CONCLUSION: The use of EE 20 mcg/DRSP 3 mg in an extended regimen resulted in high rates of amenorrhea and "no bleeding". Unexpected bleeding/spotting in the EE/DRSPes group could be managed effectively with a 4-day HFI.
CLINICAL TRIAL REGISTRATION: International Standard Randomised Controlled Trial Number (ISRCTN57661673): http://www.controlled-trials.com/isrctn/pf/57661673.