6-mo. Min Eff Dose of Flibanserin: 25 v 50 mg Bid v 50 mg hs v Pbo in Younger Women in NA

Inclusion Criteria

• •1. Women who are 18 years of age and older.
• •2. Premenopausal women having regular menstrual periods who have HSDD (decreased sexual desire), generalized acquired type, according to DSM IV-TR criteria.
• •3. Patient must meet minimum cut-off scores on questionnaires relating to sexual functioning and sexual distress.
• •4. Patients must be willing to try to have sexual activity (e.g., any act involving direct genital stimulation) at least once monthly.
• •5. Patients must be willing and able to use an electronic diary on a daily basis (e.g., have access to a working land line telephone for daily data transmissions).
• •6. At the Baseline Visit, patients must have complied with eDiary use adequately.
• •7. Patients must be in a stable, monogamous, heterosexual relationship that is secure and communicative, for at least 1 year prior to the Screen Visit. The partner is expected to be physically present at least 50% of each month.
• •8. Patients must have used a medically acceptable method of contraception for at least 3 months before the Baseline Visit (Visit 2) and continue to use that medically acceptable method of contraception during the trial.
• •9. In the investigators opinion, patients must be reliable, honest, compliant, and agree to co-operate with all trial evaluations as well as to be able to perform them.
• •10. Patients must be able and willing to give meaningful, written informed consent prior to participation in the trial, in accordance with regulatory requirements. Patients must have sufficient understanding to communicate effectively with the investigator, and be willing to discuss their sexual functioning with the investigative staff.
• •11. Patients must have a clinically acceptable Pap smear as read by a cytology facility (no evidence of malignancy or squamous intraepithelial lesions) within 6 months before the Screen Visit.