Mavacamten will lower the level or influence of ethinylestradiol by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Prevent or Use Alternate Drug. Progestin and ethinyl estradiol are CYP3A4 substrates. Mavacamten could decrease systemic exposures of ethinyl estradiol and progestin, which can lead to contraceptive failure or a rise in breakthrough bleeding. Because https://janetr900sld2.ja-blog.com/profile