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Serving leading biopharmaceutical companies globally:

US Army
Cipla
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Moodys
Queensland Health
Johnson and Johnson
Baxter
Chinese Patent Office
UBS
Chubb

Generated: February 20, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,390,531

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Summary for Patent: 4,390,531
Title: Method of contraception using peak progestogen dosage
Abstract:A method of contraception and a pharmaceutical package for effecting the method are disclosed. The method comprises a three phase sequence of estrogen/progestogen administration which is a daily sequence of unit dosages over a repeating cycle, which dosage sequence comprises, for one cycle: (a) administering, as phase one, about 20-40 .mu.g of ethinyl estradiol, (or of other estrogen in an amount sufficient to result in an equivalent effect) and about 0.3-0.8 mg of norethindrone (or of other progestogen in an amount sufficient to result in an equivalent effect) each day for 5-8 days, followed by; (b) administering, as phase two, the same dosage of estrogen and twice the dosage of progestogen each day as was administered each day in phase one, for 7-11 days, followed by; (c) administering, as phase three, the same dosage of estrogen and the same dosage of progestogen each day as was administered each day in phase one, for 3-7 days, followed by; (d) administering, as phase four, no therapeutically active dosage, i.e. either no treatment or a placebo each day for 6-8 days, with the proviso that the total number of days in phases one through three is 21.
Inventor(s): Edgren; Richard A. (Woodside, CA)
Assignee: Syntex Pharmaceuticals International Ltd. (Hamilton, BM)
Application Number:06/291,533
Patent Claim Types:
see list of patent claims
Use;

Drugs Protected by US Patent 4,390,531

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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International Patents Family Members for US Patent 4,390,531

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 560922 ➤ Try a Free Trial
Australia 8697682 ➤ Try a Free Trial
Canada 1198057 ➤ Try a Free Trial
Germany 3229612 ➤ Try a Free Trial
United Kingdom 2104779 ➤ Try a Free Trial
Hong Kong 26087 ➤ Try a Free Trial
Malaysia 8700596 ➤ Try a Free Trial
New Zealand 201539 ➤ Try a Free Trial
Singapore 93686 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Covington
Argus Health
McKesson
AstraZeneca
Cerilliant
Daiichi Sankyo
Medtronic
Colorcon
Julphar

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