Transdermal estrogen progestin absorption dosage units have been developed which comprise a backing layer, an adjoining polymer layer is an adhesive layer in which at least minimum effective dose of an estrogen is dissolved or microdispersed. Adhered to the polymer layer is an adhesive layer in which is dissolved and or microdispersed at least minimum doses of progestin. Presently preferred is use of the natural estrogen, 17-beta-estradiol, or ethinyl estradiol or combinations thereof and of the progestin, norethindrone or norgestimate or combinations thereof. The units have biologically acceptable adhesive and polymer layers. The adhesive layer can have dispersed one or more skin permeation enhancing agents. A separating layer can optionally be used in making the dosage units, which separate space the adhesive and polymer layers, which permits estrogen transmission from the polymer layer during treatment. Dosage units are provided which transdermally deliver at least minimum daily doses of the estrogen and progestin for multiple days, such as for one week. The invention also provides a process of fertility control and estrogen replacement therapy using the novel dosage units. Also. the invention provides a fertility control system for fertility control using the novel dosage units.
已开发出透皮
雌激素孕激素吸收剂量单位,它包括一个背衬层、一个相邻的聚合物层和一个粘合层,在粘合层中溶解或微分散了至少最低有效剂量的
雌激素。粘附在聚合物层上的是一层粘合剂,其中溶解或微分散有至少最低剂量的孕激素。目前首选的是天然
雌激素、17-beta-
雌二醇或
炔雌醇或其组合,以及孕激素、
炔诺酮或炔
诺孕酮或其组合。这些单元具有
生物可接受的粘合剂层和聚合物层。粘合剂层可分散有一种或多种皮肤渗透
促进剂。在制作剂量单位时,可以选择使用分离层,将粘合剂层和聚合物层分开,这样在治疗过程中就可以从聚合物层中透出
雌激素。本发明提供的剂量单位可连续多天(如一周)透皮递送至少最低日剂量的
雌激素和孕激素。本发明还提供了一种使用新型剂量单位的生育控制和
雌激素替代疗法。此外,本发明还提供了一种使用新型剂量单位进行生育控制的生育控制系统。