Use of Flibanserin for the Treatment of Post-Menopausal Sexual Desire Disorders

1 . A method of treating post-menopausal sexual desire disorders (lifelong or acquired) in a woman, comprising administering an effective amount of flibanserin, once daily in the evening only, optionally in the form of the free base or a pharmacologically acceptable acid addition salt, to a woman in need thereof.

2 . The method according to claim 1 , wherein the post-menopausal sexual desire disorder is selected from the group consisting of lifelong postmenopausal Hypoactive Sexual Desire Disorder, lifelong post-menopausal Sexual Aversion Disorder, lifelong post-menopausal loss of sexual desire, lifelong post-menopausal lack of sexual desire, lifelong post-menopausal decreased sexual desire, lifelong post-menopausal inhibited sexual desire, lifelong post-menopausal loss of libido, lifelong post-menopausal libido disturbance, and lifelong post-menopausal frigidity.

3 . The method according to claim 1 , wherein the post-menopausal sexual desire disorder is selected from the group consisting of lifelong postmenopausal Hypoactive Sexual Desire Disorder, lifelong post-menopausal Sexual Aversion Disorder, lifelong post-menopausal loss of sexual desire, lifelong post-menopausal lack of sexual desire, lifelong post-menopausal decreased sexual desire, and lifelong post-menopausal inhibited sexual desire.

4 . The method according to claim 1 , wherein the post-menopausal sexual desire disorder is selected from the group consisting of acquired postmenopausal Hypoactive Sexual Desire Disorder, acquired post-menopausal Sexual Aversion Disorder, acquired post-menopausal loss of sexual desire, acquired post-menopausal lack of sexual desire, acquired post-menopausal decreased sexual desire, acquired post-menopausal inhibited sexual desire, acquired post-menopausal loss of libido, acquired post-menopausal libido disturbance, and acquired post-menopausal frigidity.

5 . The method according to claim 1 , wherein the post-menopausal sexual desire disorder is selected from the group consisting of acquired postmenopausal Hypoactive Sexual Desire Disorder, acquired post-menopausal Sexual Aversion Disorder, acquired post-menopausal loss of sexual desire, acquired post-menopausal lack of sexual desire, acquired post-menopausal decreased sexual desire, acquired post-menopausal inhibited sexual desire.

6 . The method according claim 1 , wherein the post-menopausal sexual desire disorders is of the generalized subtype.

7 . The method according to claim 1 , wherein the post-menopausal sexual desire disorders is of the situational subtype.

8 . The method according to claim 1 , wherein the post-menopausal sexual desire disorders is due to psychological factors.

9 . The method according to claim 1 , wherein the post-menopausal sexual desire disorders is due to combined factors.

10 . The method according to claim 1 , wherein flibanserin is administered in the form of a pharmaceutically acceptable acid addition salt wherein the salt is formed from an acid selected from the group consisting of succinic acid, hydrobromic acid, acetic acid, fumaric acid, maleic acid, methanesulphonic acid, lactic acid, phosphoric acid, hydrochloric acid, sulphuric acid, tartaric acid, citric acid, and mixtures thereof.

11 . The method according to claim 1 , wherein flibanserin is administered in the form of the free base.

12 . The method according to claim 12 , wherein flibanserin is administered in the form of a polymorph A of the free base, having a melting point of about 161° C. as measured using DSC.

13 . The method according to claim 1 , characterized in that flibanserin is administered in a dosage range between 0.1 to 400 mg.

14 . The method of claim 14 , wherein flibanserin is administered in a dosage range between 50 to 100 mg.

15 . The method of claim 1 , wherein flibanserin is administered once daily in the evening.

16 . The method of claim 19 , wherein said once daily administered flibanserin is in form of a polymorph A of the free base, having a melting point of about 161° C. as measured using DSC.

17 . The method of claim 21 , wherein said once daily administration is in the evening.

18 . The method of claim 19 wherein the once daily dosage is about 100 mg.