- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00995072
Comparative Effects of Nebivolol and Metoprolol on Female Sexual Function
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This protocol is designed to compare the effects two beta blockers, nebivolol (Bystolic) 5-10 mg daily with metoprolol succinate (Toprol XL) 100-200 mg daily on sexual function in post-menopausal women with high blood pressure. The study is composed of 2 treatment phases. At baseline subjects are randomized to either nebivolol 5 mg once daily or metoprolol succinate 100 mg once daily. After randomization, subjects are treated for 12 weeks with double blind therapy. Following double-blind therapy subjects enter a 2-week washout phase and are subsequently switched to the alternate therapy.
After 4 weeks (visits 3 and 7) of double-blind treatment with either nebivolol 5 mg once daily or metoprolol succinate 100 mg once daily subjects will be evaluated and the need for dosage titration assessed. If blood pressure is not at goal the dosage of study medication will be doubled to nebivolol 10 mg once daily or metoprolol succinate 200 mg once daily. If blood pressure remains uncontrolled after 8 weeks of double blind treatment with study medication open label amlodipine 5 mg will be initiated (visits 4 and 8) at the discretion of the principal investigator. During double blind treatment subjects will be evaluated in clinic every 4 weeks.
The primary efficacy variable is the change from baseline in Changes in Sexual Functioning Questionnaire (CSFQ) and the Female Sexual Function Index (FSFI).
The primary study objective is to determine whether nebivolol causes fewer sexual side effects compared with metoprolol succinate and if nebivolol improves FSF in women. FSF will be assessed with the above questionnaires-FSFI and CSFQ.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Florida
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Jacksonville, Florida, United States, 32204
- Family Practice
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Over the age of 40 years
- Postmenopausal (according to self report of 12 consecutive months of amenorrhea, serum FSH concentrations greater than 40 international units/L, or surgical history consistent with menopause)
- In a stable monogamous relationship with a male partner for at least 6 months
- History of hypertension, treated or untreated
- Requirement for the initiation of an anti-hypertensive agent OR addition of another anti-hypertensive medication (according to the principal investigator and based on clinical judgment) OR patients requiring monotherapy with an anti-hypertensive that wish to participate in the study and are willing to undergo a two week wash-out of current anti-hypertensive therapy
- Provide written informed consent prior to participation.
Exclusion Criteria:
- Properly measured clinic SBP > 170 mmHg
- Advanced AV block
- Severe hepatic disease
- Heart rate < 55 beats/min (and not currently on beta blocker therapy)
- Pregnancy or lactation
- Heart failure with ejection fraction less than 0.40
- History of myocardial infarction
- History of Raynaud's syndrome
- Patients with alcoholism or recreational drug use will be excluded due to concerns about the ability to comply with the study requirements.
- Major psychiatric disorder not well controlled with treatment
- Spinal cord injury
- Severe respiratory disease, which in the opinion of the investigator contraindicates BB treatment
- Poorly controlled diabetes mellitus (≥ 9%)
- Persistent arrhythmia
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Crossover Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Arm A
Nebivolol 5 mg daily for 12 weeks followed by Metoprolol succinate 100 mg daily for 12 weeks.
A two week washout (no medication) is completed prior to switching to metoprolol.
|
Subjects randomized to treatment Arm A will receive nebivolol 5 mg once daily for 12 weeks.
After 12 weeks, double blind therapy will be discontinued and patients will undergo a wash-out period of study therapy over 2 weeks.
Subjects randomized to treatment Arm A will then receive metoprolol succinate 100 mg once daily.
Subjects will continue double blind therapy for a total duration of 12 weeks.
Other Names:
|
Experimental: Arm B
Metoprolol succinate 100 mg daily for 12 weeks followed by nebivolol 5 mg daily for 12 weeks.
A two week washout (no medication) is completed prior to switching to nebivolol.
|
Subjects randomized to treatment Arm B will receive metoprolol succinate 100mg once daily for 12 weeks.
After 12 weeks, double blind therapy will be discontinued and patients will undergo a wash-out period of study therapy over 2 weeks.
Subjects randomized to treatment Arm B will then receive nebivolol 5 mg once daily.
Subjects will continue double blind therapy for a total duration of 12 weeks.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Female Sexual Function Index
Time Frame: Baseline, 12 weeks
|
This scale is a self-reported instrument used to detect female sexual function.
The scale ranges from 2 to 36.
The higher score indicates higher sexual function.
|
Baseline, 12 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Sexual Functioning Questionnaire Score
Time Frame: Baseline, 12 weeks
|
This scale is a self-reported instrument used to detect sexual functioning.
The scale ranges from 14 to 70.
The higher scores reflects higher sexual functioning.
|
Baseline, 12 weeks
|
Collaborators and Investigators
Investigators
- Principal Investigator: Benjamin Epstein, PharmD, East Coast Institute for Research
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Cardiovascular Diseases
- Vascular Diseases
- Hypertension
- Physiological Effects of Drugs
- Adrenergic beta-Antagonists
- Adrenergic Antagonists
- Adrenergic Agents
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Anti-Arrhythmia Agents
- Antihypertensive Agents
- Vasodilator Agents
- Autonomic Agents
- Peripheral Nervous System Agents
- Adrenergic Agonists
- Adrenergic beta-Agonists
- Sympatholytics
- Adrenergic beta-1 Receptor Antagonists
- Adrenergic beta-1 Receptor Agonists
- Nebivolol
- Metoprolol
Other Study ID Numbers
- SAIRB-09-0011
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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