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About
Nebivolol is one of a class of drugs known as beta-blockers. These drugs are useful in the treatment of high blood pressure, angina, abnormal heart rhythms and following a heart attack. The purpose of this study is to explore the potential of nebivolol to cause a certain type of abnormal heart rhythm, known as QTc prolongation. The potential of nebivolol to cause this adverse event will be compared to three other drugs: atenolol, a beta-blocker approved by the FDA; Avelox (moxifloxacin), an anti-biotic approved for use by the FDA which is known to cause QTc prolongation; and placebo, a drug look-alike that contains no drug. The working hypothesis was that 20 or 40 mg of nebivolol would not prolong corrected QT intervals measured during peak nebivolol concentrations (i.e., 2 hours after dosing) on Day 7.
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Inclusion criteria
Exclusion criteria
Institutionalized
Reported or was known to have done the following:
Used any medication (including over-the-counter [OTC]) within the 14 days prior to the initial dose of study medication.
Used any medication known to alter hepatic enzyme activity within 28 days prior to the initial dose of study medication.
Received an investigational drug within 30 days prior to the initial dose of study medication.
History of any significant cardiovascular, hepatic, renal, pulmonary, hematologic, gastrointestinal, endocrine, immunologic, dermatologic, or neurologic disease.
History of drug and/or alcohol abuse within 1 year prior to the study.
Acute illness at the time of either the pre study medical evaluation or dosing.
Any laboratory results deemed clinically significant by the physician.
Abnormal and clinically relevant ECG tracing.
Donated or lost a significant volume of blood or plasma (>450 mL) within 28 days prior to the initial dose of study medication.
Allergic or hypersensitive to nebivolol, atenolol, or other β blocking drugs or to moxifloxacin or other quinolone antibiotics.
History of seizures or cerebrovascular disease.
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Interventional model
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Data sourced from clinicaltrials.gov
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