The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 30, 1999
Filed:
Jul. 02, 1997
Michael J Gast, Phoenixville, PA (US);
American Home Products Corporation, Madison, NJ (US);
Abstract
This invention provides a method of contraception which comprises administering to a female of child bearing age for 23-25 consecutive days, a first phase combination of a progestin at a daily dosage of 40-500 .mu.g trimegestone, 250 .mu.g-4 mg dienogest, or 250 .mu.g-4 mg drospirenone, and an estrogen at a daily dosage equivalent in estrogenic activity to 10-20 .mu.g ethinyl estradiol for 9-13 days beginning on day 1 of the menstrual cycle, wherein the same dosage of the progestin and estrogen combination is administered in each of the 9-13 days, and a second phase combination of a progestin at a daily dosage of 40-500 .mu.g trimegestone, 250 .mu.g-4 mg dienogest, or 250 .mu.g-4 mg drospirenone, and an estrogen at a daily dosage equivalent in estrogenic activity to 10-20 .mu.g ethinyl estradiol, for 11-15 days beginning on the day immediately following the last day of administration of the first phase combination, wherein the same dosage of the progestin and estrogen combination is administered in each of the 11-15 days, provided that the daily dosage of second phase progestin is greater than the daily dosage of the first phase progestin and that the daily dosage of the second phase estrogen is greater than or equal to the daily dosage of the first phase estrogen.