Mavacamten will decrease the extent or outcome of ethinylestradiol by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Prevent or Use Alternate Drug. Progestin and ethinyl estradiol are CYP3A4 substrates. Mavacamten may well decrease systemic exposures of ethinyl estradiol and progestin, which can bring on contraceptive failure or an increase in breakthrough bleeding. https://buy-wymzya-fe20741.blogocial.com/buy-wymzya-fe-no-further-a-mystery-66340323