- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01449188
To Investigate the Effect of Intravenous Ondansetron on Cardiac Conduction as Compared to Placebo and Moxifloxacin in Healthy Adult Subjects
A Randomized, Double-blind, Four-period Crossover Study to Investigate the Effect of Intravenous Ondansetron, a 5-HT3 Antagonist, on Cardiac Conduction as Compared to Placebo and Moxifloxacin in Healthy Adult Subjects
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Ondansetron was first approved in 1991 for treatment of nausea and vomiting associated with chemotherapy and surgical procedures and as ondansetron was developed prior to current regulatory requirements, a formal, thorough QT study has not been performed for this compound. The purpose of this study is to further define the safety of ondansetron as some effects on QT interval prolongation have been observed for this and other members of the 5-HT3 inhibitor class of compounds. In the case of ondansetron, these effects have been rare and transient and noted primarily with IV administration, however, the extent to which ondansetron prolongs the QT interval has not been defined.
This study will quantify the effects of a single dose of IV ondansetron administered over 15 minutes on cardiac conduction in a double-blind, cross-over study and compared to placebo and a positive control, oral moxifloxacin. Pre- and post-dose digital electrocardiograms (ECGs) will be obtained by continuous Holter monitoring (1000 Hz) for blinded over-read by a third party vendor. This double-blind study will randomize approximately 60 healthy adult male and female volunteers to one of 12 sequences each consisting of 4 study treatment periods in a crossover design with a 7-day washout between each treatment period. Subjects will receive placebo, moxifloxacin (single 400 mg tablet), ondansetron 8 mg, and ondansetron 32 mg based on the randomized sequence. Both ondansetron and the placebo for ondansetron will be administered intravenously over 15 minutes. Moxifloxacin, a drug known to cause mild QTc prolongation, is included as a positive control and will be dosed as open label. Serial blood samples will be obtained to determine ondansetron and, if needed, moxifloxacin pharmacokinetic parameters. Safety and tolerability will be assessed through physical exams, adverse events, concurrent medications, clinical laboratory tests and vital signs.
Study Type
Enrollment (Actual)
Phase
- Phase 1
Contacts and Locations
Study Locations
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Texas
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Austin, Texas, United States, 78744
- GSK Investigational Site
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Healthy adult men and women, non-smokers between 18 and 45 years of age inclusive, at the time of signing the informed consent. Every effort will be made to enrol an approximately equal number of males and females.
- Signed and dated written informed consent prior to admission to the study, which includes compliance with the requirements and restrictions listed in the consent form.
- Healthy as judged by a responsible physician, with no clinically significant abnormality identified on the medical or laboratory evaluation performed at Screening, including 12-lead ECG. A subject with a clinical abnormality or laboratory parameters outside the reference range for this age group may be included only with the approval of the GSK medical monitor.
- ALT, alkaline phosphatase and bilirubin less than or equal to 1.5xULN (isolated bilirubin >1.5xULN is acceptable if bilirubin is fractionated and direct bilirubin <35%).
- A female is eligible to enter and participate in this study if she is of: Non-childbearing potential (i.e., physiologically incapable of becoming pregnant), including any female who either has had a hysterectomy or has had a bilateral oophorectomy (ovariectomy) or is post-menopausal defined as being amenorrhoeic for greater than or equal to 1 year with an appropriate clinical profile, e.g., age appropriate, history of vasomotor symptoms. Follicle-stimulating hormone (FSH) must be greater than or equal to 40 mIU/mL to confirm the post-menopausal state.
If a female is of child-bearing potential, has a negative serum pregnancy test at Screening, and agrees to or has undergone one of the following: Complete abstinence from sexual intercourse from 2 weeks prior to administration of the study drug until completion of the follow-up procedures, or, bilateral tubal ligation, or have a vasectomized partner or use an intrauterine device with published data showing that expected failure rate is less than 1% per year (e.g., GynaeFix) from 2 weeks prior to administration of study drug until completion of the follow-up procedures, or, use double-barrier method [condom or occlusive cap (diaphragm or cervical/vault caps) used with spermicidal foam/gel/cream/suppository].
- Body Mass Index (BMI)* in the range of 19 - 30 kg/m2 (inclusive). *[BMI = weight [kg]/(height [m])2]
Exclusion Criteria:
- Cardiac conduction abnormalities denoted by any of the following at screening:
QTc interval > 450 msec; PR interval > 240 msec or less than or equal to 110 msec; evidence of second- or third-degree atrioventricular (AV) block; pathological Q-waves (defined as Q-wave > 40 msec or depth greater than 0.4 - 0.5 mV); evidence of ventricular pre-excitation; electrocardiographic evidence of complete left bundle branch block, right bundle branch block (RBBB), incomplete LBBB; intraventricular conduction delay with QRS duration > 120 msec; bradycardia as defined by sinus rate < 50 bpm.
- Any history of myocardial infarction, syncope, long-QT syndrome, cardiac arrhythmias, or a history of uncontrolled hypertension or unstable heart disease within the 6 months prior to the screening visit, or a family history of long-QT syndrome or a family history of sudden death.
- Family history of heart attack or stroke at age less than or equal to 60 years.
- Levels of potassium, magnesium, and calcium outside the normal reference range at screening.
- Clinically significant serum chemistry and complete blood count parameters outside the normal reference range at screening.
- Positive for HIV antibody, hepatitis B virus S-antigen (HbSAg) or hepatitis C (Hep C) virus antibody at screening.
- Current or chronic history of liver disease, or known hepatic or biliary abnormalities (with the exception of Gilbert's syndrome or asymptomatic gallstones).
- History of alcohol/drug abuse or dependence within 12 months of the study.
- History of regular alcohol consumption within 6 months of the study defined as: an average weekly intake of >14 drinks for males or >7 drinks for females. One drink is equivalent to 12 g of alcohol: 12 ounces (360 mL) of beer, 5 ounces (150 mL) of wine or 1.5 ounces (45 mL) of 80 proof distilled spirits.
- A positive pre-study urine test for drugs of abuse including alcohol at screening or prior to the start of dosing. A minimum list of drugs that will be screened for includes amphetamines, barbiturates, cocaine, opiates, cannabinoids, benzodiazepines, and cotinine. Subjects will be re-screened at each treatment period.
- The subject has participated in a clinical trial and has received an investigational product within the following time period prior to the first dosing day in the current study: 30 days, 5 half-lives or twice the duration of the biological effect of the investigational product (whichever is longer).
- Exposure to more than 4 new chemical entities within 12 months prior to the first dosing day.
- Use of prescription or non-prescription drugs, including vitamins, herbal and dietary supplements (including St John's Wort) within 7 days (or 14 days if the drug is a potential enzyme inducer) or 5 half-lives (whichever is longer) prior to the first dose of study medication, unless in the opinion of the Investigator and GSK medical monitor the medication will not interfere with the study procedures or compromise subject safety.
- History of sensitivity to any of the study medications, or components thereof or a history of drug or other allergy that, in the opinion of the investigator or GSK Medical Monitor, contraindicates their participation.
- The subject has donated blood or blood products in excess of 500 mL within a 56 day period.
- Pregnant females as determined by positive serum hCG test at screening.
- Consumption of aspirin, aspirin-containing compounds, salicylates or nonsteroidal anti-inflammatory agents (NSAIDs) within 14 days of the study start and until the end of the follow-up visit. Acetaminophen (less than or equal to 2 g/day) will be permitted during the study for analgesia.
- Subject has consumed liquid antacids (e.g., Maalox, Mylanta, Amphojel, Milk of Magnesia) or chewable antacids (e.g., TUMS™) within 48 hours of the first dose of study medication, and throughout the duration of study drug administration.
- History of sensitivity to moxifloxacin or any member of the quinolone class of antimicrobial agents, or history of drug or other allergy that, in the opinion of the physician responsible, contraindicates their participation. If use of an IV cannula with heparinized flush is anticipated for PK draws, then hypersensitivity to heparin is also exclusionary.
- Urinary cotinine levels indicative of smoking or history or regular use of tobacco- or nicotine-containing products within 6 months prior to screening.
- Consumption of red wine, seville oranges, grapefruit or grapefruit juice, pomelos, exotic citrus fruits, grapefruit hybrids or fruit juices from 7 days prior to the first dose of study medication.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: OTHER
- Allocation: RANDOMIZED
- Interventional Model: CROSSOVER
- Masking: DOUBLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Active Comparator: ondansetron, 8 mg IV over 15 minutes
the lower ondansetron IV dose will be used in one of the four treatment periods
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FDA approved drug used to treat nausea and vomiting
Other Names:
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Active Comparator: ondansetron, 32 mg IV over 15 minutes
the higher ondansetron IV dose will be used in one of the four treatment periods
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FDA approved drug used to treat nausea and vomiting
Other Names:
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Placebo Comparator: placebo for ondansetron, IV over 15 minutes
placebo for ondansetron IV dose will be used in one of the four treatment periods
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USP saline IV solution used as placebo for ondansetron IV.
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Active Comparator: moxifloxacin, 400mg tablet (oral)
moxifloxacin is known to produce mild QT prolongation and will be used in one of the four treatment periods
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FDA approved antibiotic commonly used as a positive control in thorough QT studies
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in QTcF after a single dose of Ondansetron given IV over 15 minutes.
Time Frame: Single dosing day at each of the 4 treatment periods with a 7-day washout between each period. The total duration of each subject's participation in the study, from screening through follow-up will be an average of 11 weeks.
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Two doses of ondansetron willl be used, 8mg and 32mg.
The change in QTcF will be time-matched, baseline adjusted and compared to placebo.
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Single dosing day at each of the 4 treatment periods with a 7-day washout between each period. The total duration of each subject's participation in the study, from screening through follow-up will be an average of 11 weeks.
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
characterize relationship between changes in ddQTc and plasma concentrations of ondansetron
Time Frame: Single dosing day at each of the 4 treatment periods with a 7-day washout between each period. The total duration of each subject's participation in the study, from screening through follow-up will be an average of 11 weeks.
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The slope of the relationship between ddQTc and plasma ondansetron concentrations and predicted change in ddQtc will be used to determine.
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Single dosing day at each of the 4 treatment periods with a 7-day washout between each period. The total duration of each subject's participation in the study, from screening through follow-up will be an average of 11 weeks.
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characterize relationship between QT interval and plasma ondansetron
Time Frame: Single dosing day at each of the 4 treatment periods with a 7-day washout between each period. The total duration of each subject's participation in the study, from screening through follow-up will be an average of 11 weeks.
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The slope of the relationship between QTc interval and ondansetron concentrations and predicted change in QTc from baseline will be used to determine.
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Single dosing day at each of the 4 treatment periods with a 7-day washout between each period. The total duration of each subject's participation in the study, from screening through follow-up will be an average of 11 weeks.
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characterize the effect on QTcI and QTcB relative to placebo between the two doses of ondansetron and moxifloxacin
Time Frame: Single dosing day at each of the 4 treatment periods with a 7-day washout between each period. The total duration of each subject's participation in the study, from screening through follow-up will be an average of 11 weeks.
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ECG parameters will be measured and used to calculate this effect.
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Single dosing day at each of the 4 treatment periods with a 7-day washout between each period. The total duration of each subject's participation in the study, from screening through follow-up will be an average of 11 weeks.
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characterize effect on QT and HR relative to placebo of the two doses of ondansetron and moxifloxacin.
Time Frame: Single dosing day at each of the 4 treatment periods with a 7-day washout between each period. The total duration of each subject's participation in the study, from screening through follow-up will be an average of 11 weeks.
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ECG parameters will be measured along with vitals and used to calculate this effect.
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Single dosing day at each of the 4 treatment periods with a 7-day washout between each period. The total duration of each subject's participation in the study, from screening through follow-up will be an average of 11 weeks.
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characterize the pharmacokinetics of ondansetron.
Time Frame: Single dosing day at each of the 4 treatment periods with a 7-day washout between each period. The total duration of each subject's participation in the study, from screening through follow-up will be an average of 11 weeks.
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plasma concentrations of ondansetron will be measured and PK parameters (AUC, Cmax, tmax) determined.
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Single dosing day at each of the 4 treatment periods with a 7-day washout between each period. The total duration of each subject's participation in the study, from screening through follow-up will be an average of 11 weeks.
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characterize safety and tolerability of the two doses of ondansetron.
Time Frame: Single dosing day at each of the 4 treatment periods with a 7-day washout between each period. The total duration of each subject's participation in the study, from screening through follow-up will be an average of 11 weeks.
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Tolerability and safety will be assessed by 12-lead ECGs, telemetry, BP, HR, Adverse Events and clinical laboratory tests.
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Single dosing day at each of the 4 treatment periods with a 7-day washout between each period. The total duration of each subject's participation in the study, from screening through follow-up will be an average of 11 weeks.
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characterize the pharmacokinetics of moxifloxacin if needed.
Time Frame: Single dosing day at each of the 4 treatment periods with a 7-day washout between each period. The total duration of each subject's participation in the study, from screening through follow-up will be an average of 11 weeks.
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plasma concentrations of moxifloxacin will be measured and PK parameters (AUC, Cmax, tmax) determined if needed.
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Single dosing day at each of the 4 treatment periods with a 7-day washout between each period. The total duration of each subject's participation in the study, from screening through follow-up will be an average of 11 weeks.
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
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
- Signs and Symptoms, Digestive
- Vomiting
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Central Nervous System Depressants
- Autonomic Agents
- Peripheral Nervous System Agents
- Enzyme Inhibitors
- Antineoplastic Agents
- Antiemetics
- Gastrointestinal Agents
- Topoisomerase II Inhibitors
- Topoisomerase Inhibitors
- Dermatologic Agents
- Anti-Bacterial Agents
- Antipsychotic Agents
- Tranquilizing Agents
- Psychotropic Drugs
- Serotonin Agents
- Serotonin Antagonists
- Anti-Anxiety Agents
- Antipruritics
- Moxifloxacin
- Ondansetron
Other Study ID Numbers
- 115458
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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