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Last Updated: December 12, 2025

Claims for Patent: RE35724

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Summary for Patent: RE35724

Title:	Contraception system and method
Abstract:	A method of contraception is disclosed which comprises a two-stage protocol. In the first stage, an estrogenic compound in a first composition is administered daily as the sole contraceptively active substance to a human female from about Day 2 to about Day 7 of her menstrual cycle, where Day 1 is the first day of menses. The second stage of the protocol occurs immediately thereafter during which at least one follow-up composition containing a progestin is administered daily to the same human female. The follow-up composition can contain a progestin as the sole contraceptively active ingredient, or can contain a combination of an estrogenic compound with a progestin in different weight ratios. A drug delivery system containing daily dosage units is also described.
Inventor(s):	Samuel A. Pasquale
Assignee:	BTG ACQUISITION SUBSIDIARY Inc, Savient Pharmaceuticals Inc
Application Number:	US08/369,309
Patent Claims:

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