Dienogestrel CAS:65928-58-7

Dienogest  is a progestin, or a synthetic progestogen. It is available in combination with estradiol valerate (as Natazia, Qlaira) or ethinylestradiol (as Valette) for use as an oral contraceptive, and by itself (as Visanne, Dinagest) for the treatment of endometriosis in Europe, Australia, and Japan. Although available in combination with estrogen as a contraceptive in the United States, dienogest is not available in this country by itself. In addition to its progestogenic effects, dienogest has antiandrogenic activity, and as a result can improve androgenic symptoms such as acne.

Derivative of 19-Nortestosterone. In combination with estrogen as oral contraceptive. Progestogen Dienogest is an orally active synthetic progesterone (or progestin). It is available for use as an oral contraceptive in combination with ethinylestradiol. It has antiandrogenic activity and as a result can improve androgenic symptoms.

Dienogest is used primarily as a contraceptive in combination with ethinylestradiol. It is given as a tablet containing 2 mg of dienogest and 30 μg of ethinylestradiol. Dienogest is also available in a quadriphasic oral contraceptive pill combined with estradiol valerate, marketed as Natazia in the United States and Qlaira in some European countries and Russia. This formulation is also approved for the treatment of heavy menstrual bleeding.