MedPath

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

Phase 1
Completed
Conditions
Healthy
Interventions
Registration Number
NCT02097147
Lead Sponsor
Forest Laboratories
Brief Summary

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

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
202
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

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Paroxetine 20 mgParoxetine 20 mgParoxetine 10 mg once daily for 7 days, followed by paroxetine 20 mg for 28 days
Vilazodone 20 mgVilazodone 20 mgVilazodone 10 mg once daily for 7 days, followed by vilazodone 20 mg once daily for 28 days.
Vilazodone 40 mgVilazodone 40 mgVilazodone 10 mg once daily for 7 days, followed by vilazodone 20 mg once daily for 7 days, followed by vilazodone 40 mg once daily for 21 days
PlaceboPlaceboPlacebo once daily for 35 days
Primary Outcome Measures
NameTimeMethod
Change in Changes in Sexual Functioning Questionnaire (CSFQ) total scoreFrom Baseline to Day 35

The CSFQ is a subject-rated scale designed to measure changes in sexual function and is a structured, self-report, 14-item questionnaire, that measures sexual functioning as a total score (all 14 items), and on the subscales of pleasure, desire/frequency, desire/interest, arousal, and orgasm, rated on a 5 point scale, with each item rated from 1 to 5, and a total score range of 14 to 70. Lower scores are associated with worsened sexual functioning.

Secondary Outcome Measures
NameTimeMethod
Proportion of subjects meeting criteria for sexual dysfunction.5 Weeks

Proportion of subjects meeting criteria for sexual dysfunction (ie, CSFQ \<=47 for males and \<=41 for females) at any 2 consecutive visits during the double-blind treatment period.

Trial Locations

Locations (4)

Forest Investigative Site 001

🇺🇸

Miami, Florida, United States

Forest Investigative Site 002

🇺🇸

Overland Park, Kansas, United States

Forest Investigative Site 004

🇺🇸

Charlottesville, Virginia, United States

Forest Investigative Site 003

🇺🇸

St. Paul, Minnesota, United States

© Copyright 2025. All Rights Reserved by MedPath