InventorAssigneeApplicationNo. 605118 filed on 06/04/1996US Classes:514/170Plural Compounds containing cyclopentanohydrophenanthrene ring systemsExaminersPrimary: Fay, ZohrehAttorney, Agent or FirmForeign Patent References
International ClassA61K 031/56Foreign Application Priority Data1993-09-09 NLAbstractThe invention relates to a preparation for substitution therapy and oral contraception comprising at least one progestogen and at least one estrogen in which the estrogen dose varies with a periodicity such that blood loss is substantially avoided, wherein the periodicity is preferably less than 10 days, more preferably less than 7 days, such as preparations containing the progestogen and/or estrogen in an oral, transdermal, parenteral and/or implantable application form. | |