IP Library Granted Patent US 8,501,720
Granted Patent B2
US 8,501,720 · App. 11/193,617 · Granted Aug 6, 2013

Method for treatment of dysmenorrhea

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Quick Facts
Patent No.
US 8,501,720
App. No.
11/193,617
Granted
Aug 6, 2013
Kind
B2
Abstract

A method of treatment of dysmenorrhea in the context of oral contraception characterized by daily administration of ethinylestradiol and drospirenone in an extended regimen.

Claims (8)

1. A method for reducing dysmenorrhea by administering 20 μg ethinylestradiol and drospirenone in a daily extended regimen uninterruptedly for 42-126 days .

2. A method according to claim 1 wherein the daily amount of drospirenone is in the range of 2 mg to 4 mg.

3. A method according to claim 2 wherein the daily amount of drospirenone is 3 mg.

4. A method according to claim 1 wherein ethinylestradiol and drospirenone are administered daily and uninterruptedly for 84 days followed by 7 days of non administration.

5. A method according to claim 1 wherein the uninterrupted administration of ethinylestradiol and drospirenone is for more than 110 days.

6. A method for reducing dysmenorrhea by administering 20 μg of ethinylestradiol and 2 mg to 4 mg of drospirenone, daily and uninterruptedly for at least 42 days.

7. A method for reducing dysmenorrhea by administering 20 μg of ethinylestradiol and 3 mg of drospirenone, daily and uninterruptedly for at least 42 days.

8. A method according to claim 6 wherein the uninterrupted administration is for more than one year.

Assignments (4)
CHANGE OF NAME Recorded Jul 1, 2013
From: BAYER PHARMA AKTIENGESELLSCHAFT
To: BAYER INTELLECTUAL PROPERTY GMBH
Reel/Frame 030719/0529 →
CHANGE OF NAME Recorded Nov 11, 2012
From: BAYER SCHERING PHARMA AKTIENGESELLSCHAFT
To: BAYER PHARMA AKTIENGESELLSCHAFT
Reel/Frame 029277/0286 →
CHANGE OF NAME Recorded Nov 14, 2007
From: SCHERING AKTIENGESELLSCHAFT
To: BAYER SCHERING PHARMA AKTIENGESELLSCHAFT
Reel/Frame 020110/0334 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 22, 2006
From: HEITHECKER, RENATE; DUESTERBERG, BERND
To: SCHERING AG
Reel/Frame 017585/0297 →