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Patent: 5,552,394

Summary for Patent: 5,552,394

Title: Low dose oral contraceptives with less breakthrough bleeding and sustained efficacy
Abstract:A method of female contraception which is characterized by a reduced incidence of breakthrough bleeding after the first cycle involves monophasicly administering a combination of estrogen and progestin for 23-25 consecutive days of a 28 day cycle in which the daily amounts of estrogen and progestin are equivalent to about 5-35 mcg of ethinyl estradiol and about 0.025 to 10 mg of norethindrone acetate, respectively and in which the weight ratio of estrogen to progestin is at least 1:45 calculated as ethinyl estradiol to norethindrone acetate.
Inventor(s): Hodgen; Gary D. (Norfolk, VA)
Assignee: The Medical College of Hampton Roads (Norfolk, VA)
Application Number:08/279,300
Patent Claim Types:
see list of patent claims
Use;
Patent PDF download available with subscription

Glossary
Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Warner Chilcott
NORETHINDRONE ACETATE AND ETHINYL ESTRADIOL AND FERROUS FUMARATE
ethinyl estradiol; norethindrone acetate
CAPSULE;ORAL204426Apr 19, 2013DISCNNo5,552,394<disabled>PREVENTION OF PREGNANCY
Warner Chilcott
LO MINASTRIN FE
ethinyl estradiol; norethindrone acetate
TABLET, CHEWABLE, TABLET;ORAL204654Jul 24, 2013RXYes5,552,394<disabled>PREVENTION OF PREGNANCY
Warner Chilcott Llc
MINASTRIN 24 FE
ethinyl estradiol; norethindrone acetate
TABLET, CHEWABLE;ORAL203667May 8, 2013RXYes5,552,394<disabled>PREVENTION OF PREGNANCY
Warner Chilcott
NORETHINDRONE AND ETHINYL ESTRADIOL AND FERROUS FUMARATE
ethinyl estradiol; norethindrone
TABLET, CHEWABLE;ORAL022573Dec 22, 2010RXYes5,552,394<disabled>PREVENTION OF PREGNANCY IN WOMEN WHO ELECT TO USE ORAL CONTRACEPTIVES AS A METHOD OF CONTRACEPTION
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