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Claims for Patent: 8,906,890

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Claims for Patent: 8,906,890

Title:Very low-dosed solid oral dosage forms for HRT
Abstract: The present invention relates to a very low-dosed dosage form for hormone replacement therapy (HRT). More particularly, the present invention concerns a solid oral dosage form comprising about 0.5 mg estradiol and about 0.25 mg drospirenone, and at least one pharmaceutically acceptable excipient. Despite the very low E2 and DRSP doses it has surprisingly been found that a high proportion of the women suffering from moderate to severe hot flushes actually respond to this treatment. Accordingly, the dosage form of the invention may be used as maintenance HRT or may be used already when HRT is initiated.
Inventor(s): Mletzko; Stephan (Berlin, DE), Schurmann; Rolf (Teltow, DE), Gude; Kerstin (Birkenwerder, DE)
Assignee: Bayer Intellectual Property GmbH (Monheim, DE)
Application Number:13/087,701
Patent Claims: 1. A solid oral dosage form comprising about 0.5 mg estradiol and about 0.25 mg drospirenone, and at least one pharmaceutically acceptable excipient.

2. The dosage form according to claim 1, wherein said dosage form is a tablet.

3. The dosage form according to claim 1, wherein said estradiol is in the form of estradiol hemihydrate.

4. The dosage form according to claim 1, wherein said estradiol is in the form of a pharmaceutically acceptable ester of estradiol.

5. A packaging unit consisting of a number of separately packaged and individually removable solid oral dosage forms as defined in claim 1, and intended for oral administration for a period of at least 21 days.

6. The packaging unit according to claim 5, wherein said oral administration is for a period of 28 days.

7. The packaging unit according to claim 5, wherein the number of dosage forms is 28 or a multiple of 28.

8. The packaging unit according to claim 7, wherein the number of dosage forms is a 2 to 12 multiple of 28.

9. The packaging unit according to claim 4, wherein said packaging unit is a blister pack.

10. The dosage form according to claim 1 for use as a medicament.

11. The dosage form according to claim 1 for the prevention, treatment or alleviation of vasomotor symptoms in a woman.

12. The dosage form according to claim 11, wherein said vasomotor symptoms are moderate to severe vasomotor symptoms.

13. The dosage form according to claim 11, wherein said vasomotor symptoms are hot flushes.

14. The dosage form according to claim 1 for lowering the frequency of breakthrough bleedings, or increasing the incidence rate of amenorrhea, in a woman.

15. The dosage form according to claim 11, wherein said woman is a postmenopausal woman.
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