Study to Evaluate the Sexual Functioning of Healthy Adults After Receiving Vilazodone, Paroxetine or Placebo

A Multi-Center, Randomized, Double-Blind, Parallel-Group Study Evaluating The Sexual Functioning of Healthy Adults After Receiving Multiple-Dose Regimens of Vilazodone, Paroxetine, or Placebo

To compare the effects of vilazodone, paroxetine and placebo on sexual function in sexually active healthy adults.

Inclusion Criteria:

• Healthy male or female, aged 18 through 45 years, inclusive
• Currently sexually active
• If female, non pregnant and agree to use acceptable for of contraception during
• If male, be sterile or have partner use contraception.

Exclusion Criteria:

• Have sexual dysfunction
• Have history of diagnosis or treatment of any disorder related to sexual functioning.
• Clinically significant disease state, in the opinion of the examining physician, in any body system
• History of alcohol or other substance abuse or dependence within the previous 5 years