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Sponsored by: |
QualiLife Pharmaceuticals |
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Information provided by: | QualiLife Pharmaceuticals |
ClinicalTrials.gov Identifier: | NCT00118495 |
The objective of this study is to evaluate the clinical efficacy and safety of Zestra(TM) in women with acquired mixed desire/interest/arousal/orgasm disorders under conditions of home usage. The primary efficacy hypothesis will compare the effect of Zestra versus placebo on the incidence of "successful and satisfactory" sexual encounters.
Condition | Intervention | Phase |
---|---|---|
Sexual Dysfunction, Psychological |
Drug: Non-prescription Zestra(TM): patented formulation |
Phase III |
Study Type: | Interventional |
Study Design: | Treatment, Randomized, Double-Blind, Placebo Control, Parallel Assignment, Safety/Efficacy Study |
Official Title: | A Randomized, Placebo-Controlled, Double-Blind, Parallel Design Trial of the Efficacy and Safety of Zestra(TM) in Women With Mixed Desire/Interest/Arousal/Orgasm Disorders |
Estimated Enrollment: | 200 |
Study Start Date: | March 2006 |
Estimated Study Completion Date: | March 2007 |
This Phase 3 study is being conducted to evaluate the efficacy and safety of Zestra(TM) compared to a placebo oil in women diagnosed as having acquired mixed interest/desire/arousal/orgasm disorders with varying presentations of each component in conditions of home use in conjunction with sexual activities. The study is a randomized, placebo-controlled, double-blind, parallel design trial. After subject screening, there is an open-label, placebo run-in period of four weeks, followed by a double-blinded 12 week treatment period. This design is consistent with the Paris 2003 recommendations for female sexual dysfunction (FSD) clinical trials and the Food and Drug Administration (FDA) Guidance on Clinical Development of Products for the Treatment of Female Sexual Dysfunction although the duration of active treatment in this study is 12 weeks rather than the 6 months suggested by the FDA for Phase 3 studies.
Primary efficacy assessment will be the subjects’ assessments of “successful and satisfactory” sexual encounters as recorded in a diary (question 10 in the Female Sexual Encounter Profile [FSEP©]). Secondary evaluations of efficacy will include the other FSEP questions, a subject self-assessment questionnaire (Female Sexual Function Index [FSFI©]), two global assessment questions, a treatment satisfaction questionnaire (WITS©), the Beck Depression Inventory, the Dyadic Adjustment Scale (DAS), a consumer testing survey (QualiLife Consumer Testing Survey [QCTS©]), and a distress scale (Female Sexual Distress Scale [FSDS©]), sexual encounter frequency, and drop-out rates.
The selection of outcome measures in this study is based on the most current information available. The FSEP© has been used in many FSD studies and specifically meets the FDA recommendations for a primary outcome measure. The initial validation study of the FSEP© was presented at the 11th World Congress of the International Society for Sexual and Impotence Research in Buenos Aires in 2004. The FSFI©, the FSDS©, and global assessment questions are routinely used in FSD trials, and the first two have been subjects of ongoing validation for a number of years.
Global assessment questions have historically been used to calculate response rates. The QCTS© is a consumer testing survey which addresses issues ultimately impinging on product marketability. WITS© is a female oriented treatment satisfaction instrument newly developed by Stanley E. Althof, Ph.D., Eric W. Corty, Ph.D., and Miki Wieder, M.A., 2004; the authors’ authorized use of this instrument in this study is part of the ongoing validation for this questionnaire. Since depression can contribute to FSD and FSD can contribute to depression, seriously confounding diagnostic and treatment schema, the commonly used Beck Depression Inventory will be administered at the end of the baseline run-in period and then at the end of the double-blinded treatment period.
Relational factors have the same confounding issues as depression; thus, the participants’ attitudes about their relationships with their partners will be assessed at baseline and end of treatment using the Dyadic Adjustment Scale. Sexual encounter frequency may prove a useful outcome measure since a beneficial effect of treatment may be reinforcing, while lack of efficacy by the placebo may be discouraging. A similar hypothesis is the basis of drop-out analysis.
Ages Eligible for Study: | 21 Years to 65 Years |
Genders Eligible for Study: | Female |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
Meet the diagnostic criteria for one or more of the following acquired disorders:
Exclusion Criteria:
United States, California | |
West Coast Clinical Research | |
Tarzana, California, United States, 91356 | |
United States, Colorado | |
Urology Research Options | |
Aurora, Colorado, United States, 80012 | |
United States, Florida | |
South Florida Medical Research | |
Aventura, Florida, United States, 33180 | |
Center for Marital and Sexual Health of South Florida | |
West Palm Beach, Florida, United States, 33401 | |
United States, Indiana | |
Outpatient Clinical Research Facility | |
Indianapolis, Indiana, United States, 46206-5250 | |
Northeast Indiana Research | |
Fort Wayne, Indiana, United States, 46825 | |
United States, Massachusetts | |
Lahey Clinic | |
Peabody, Massachusetts, United States, 01960 | |
United States, New York | |
Accumed Research Associates | |
Garden City, New York, United States, 11530 | |
Hudson Valley Urology, PC | |
Poughkeepsie, New York, United States, 12601 | |
United States, Ohio | |
MetroHealth Medical Center | |
Cleveland, Ohio, United States, 44109 | |
United States, Pennsylvania | |
The Pelvic and Sexual Health Institute | |
Philadelphia, Pennsylvania, United States, 19146 | |
United States, Texas | |
Urology San Antonio Research, PA | |
San Antonio, Texas, United States, 78229 | |
United States, Wisconsin | |
Midwest Research Specialists, LLC | |
Milwaukee, Wisconsin, United States, 53209 |
Study Director: | David M Ferguson, PhD, MD, FACCP | Clinical Research Services Consulting |
Principal Investigator: | Julia R Heiman, PhD | Kinsey Institute for Research in Sex, Gender and Reproduction |
Study ID Numbers: | Z-04 |
Study First Received: | June 30, 2005 |
Last Updated: | July 4, 2007 |
ClinicalTrials.gov Identifier: | NCT00118495 History of Changes |
Health Authority: | United States: Institutional Review Board |
female sexual dysfunction FSD arousal orgasm desire |
Zestra Mixed FSD Hypoactive sexual desire disorder Sexual arousal disorder Orgasmic disorder |
Sexual Dysfunctions, Psychological Mental Disorders Hypokinesia |
Sexual Dysfunctions, Psychological Mental Disorders Sexual and Gender Disorders |