Tuberculosis Clinical Trial
Official title:
Phase I, Double-Blind, Randomized, Single-Center, Five-Period Crossover Study to Assess the Effects of Single Oral Doses of 400 mg and 1000 mg of PA-824 and 400 mg of PA-824 Plus 400 mg of Moxifloxacin on QTc Interval Compared to Placebo, Using AVELOX™ (Moxifloxacin) as a Positive Control, in Healthy Male and Female Volunteers Aged 18 to 45 Years
This is a Phase I, single-center, double-blinded, randomized, placebo-controlled, five-period cross-over clinical study of PA-824 to evaluate the effect of PA-824 and of PA-824 plus moxifloxacin on cardiac repolarization (QT/QTc interval duration) in a total of 75 healthy male and female participants, aged 18 to 45 years. Moxifloxacin will be used as an active control. Participants will be blinded to the treatments they will receive. The study consists of a screening period up to 26 days; enrollment, 1 day; five in-patient treatment periods consisting of an admission day (except in the first treatment period, when the pre-dose day is the baseline), dosing day and two post-dosing days; an out-patient period of at least three days and not more than 10 days between treatment periods; and a final visit 7 - 14 days after discharge from the last treatment period.
Status | Completed |
Enrollment | 74 |
Est. completion date | December 2012 |
Est. primary completion date | December 2012 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Both |
Age group | 18 Years to 45 Years |
Eligibility |
Inclusion Criteria: - Subject must be 18 to 45 years of age (inclusive). - Subject must be a healthy male or female volunteer as determined by medical history, physical examination, 12-lead ECG and laboratory evaluations (hematology, clinical chemistries and urinalysis tests) within study-defined ranges at Screening. (See Appendix B for acceptable ranges of laboratory and vital signs assessments). - Body Mass Index (BMI) must be between 18 and 30 kg/m^2 inclusive. - Subject must be non-tobacco/nicotine using (3-month minimum). - Subject must be Tuberculin Skin Test/Purified Protein Derivative (TST/PPD) negative (within the previous 1 year) at Screening. The TST/PPD may be omitted if the subject presents written evidence of having a negative test during the previous 12 months. - Subject must be able to give voluntary written informed consent before any study related procedure is performed. - If female, has no childbearing potential (as defined below) or agrees to avoid becoming pregnant from the day of screening through one week after the last dose by using one of the following acceptable methods of birth control in addition to the use of a barrier method (condom) by the male partner (even if vasectomized): 1. Hormonal contraceptives; or 2. intrauterine contraceptive device; or 3. diaphragm in combination with contraceptive jelly, cream, or foam; or 4. spermicide; or 5. abstinence. Non-childbearing potential is defined as being post-menopausal for at least 2 years, status after bilateral tubal ligation for at least 1 year, status after bilateral oophorectomy or status after hysterectomy. If male, agrees to avoid fathering a child from the day of screening to three months after the last dose. - All female subjects must have a negative serum pregnancy test at Screening, Enrollment (Day-2) and at check-in for each treatment period. - Subject agrees not to donate blood during the study and up to 14 days after the end of the last treatment period. - Subject agrees to comply with all study requirements. Exclusion Criteria: - A history of clinically significant acute illness (resolved within 4 weeks of screening) or history of cardiac arrhythmias or unexplained syncope or presence of cardiac, vascular gastrointestinal, renal, hepatic, neurologic, hematologic, endocrine, oncologic, pulmonary, immunologic, or psychiatric disease or any other condition which, in the opinion of the Site Principal Investigator (PI), would jeopardize the safety of the subject or impact the validity of the study results. - Subject has had major surgery within 4 weeks of screening. - has an uncontrolled intercurrent illness (i.e., active infection) or fever (oral temperature >/=100 degrees Fahrenheit or >/= 37.7 degrees Celsius) at screening. - History of lens opacity or evidence of lens opacity on screening ophthalmologic examination or any other clinically significant ophthalmic dysfunction or disease. - Subject has been on an abnormal diet during the 4 weeks preceding screening. Abnormal diet is defined as a diet in which the subject has a significant change in eating habits (e.g., liquid diet only) and an unbalanced diet (e.g., protein only, high fat, low carbohydrate, etc.). - Subject has engaged in strenuous physical activity or consumed alcohol, grapefruit, and caffeine- or methylxanthine-containing beverages from 48 hours before reporting to the clinic for enrollment until discharge from the clinical site in the last treatment period. - Previous participation in any other study of PA-824. - History of seizures (other than febrile seizures during childhood) or known or suspected Central Nervous System (CNS) disorders that may predispose to seizures. - History of photosensitivity or phototoxicity reactions after use of quinolones or other drugs. - History of allergy or severe side-effects with nitroimidazoles (e.g., Flagyl and related substances and azole antifungals or aromatase inhibitors). - History of allergy to moxifloxacin or any fluoroquinolone antibiotic. - History of tendinopathy associated with quinolones or other drugs, including glucocorticoids, or a condition that predisposes to tendon rupture. - Subject has received an investigational drug in a clinical trial within 30 days prior to screening. - Subject has used any over the counter (OTC) medication, including vitamins and herbal supplements, antacids, cough and cold medications, within 7 days prior to Day 1 of treatment with study drugs or during the study, unless in the opinion of the PI, the substance would not likely impact on the conduct of this study. - Subject has used any prescription medication, except hormonal contraceptives, within 30 days prior to Day 1 of treatment with study drugs or during the study, unless in the opinion of the PI, the substance would not likely impact the conduct of this study. - Subject has any current medical condition requiring treatment with medication, either prescription or OTC. - Subject has been treated with any known CYP450 enzyme altering drugs, such as azoles, antifungals, barbiturates, phenothiazines, cimetidine, carbamazepine, etc., except hormonal contraceptives, within 30 days prior to Day 1 of treatment with study drugs. - Subject has been treated with any drugs known to prolong the electrocardiographic QT interval within 30 days prior to Day 1 of treatment with study drugs or has history of excessive chronic caffeine (> 6-8 oz cups of brewed coffee daily), or theophylline (> 600 mg/day), or ephedrine (>300 mg/day) use.. - Subject has a positive blood screen for HIV, hepatitis B surface antigen (HBsAg), or hepatitis C antibody. - Subject has a positive history for alcohol abuse or dependence and/or a positive urine screen test for alcohol and drugs of abuse [amphetamines, barbiturates, benzodiazepines, cocaine metabolites, marijuana, opiates, phencyclidine (PCP)] at screening or at any check-in prior to receiving study drugs. - Subject has a baseline QTcF interval >440 msec (males) or >450 msec (females) or a history of prolonged QTc interval or a family history of Long QT Syndrome or premature cardiac death or sudden death without a preceding diagnosis of a condition that could be causative of sudden death (such as known coronary artery disease or CHF or terminal cancer). - Subject has any clinically significant ECG abnormality in the opinion of the site principal investigator (PI) at Screening, Enrollment (Day-2), Baseline (Day-1), and at any check-in day prior to receiving study drugs. - Subject with ECGs deemed by the PI to have T -wave morphology unfavorable for consistently accurate QT measurement and presence of artifacts that cannot be readily eliminated. - Subject has hypokalemia, hypomagnesemia, or hypocalcemia, or a history of eating disorder. - Subject has serum creatinine, blood urea nitrogen (BUN) or transaminase measurements above the upper limit of the normal range at screening. - Subject has lived with a person having active Tuberculosis (TB) or has traveled to an area of endemic TB within the past 12 months prior to Screening. - Women who are pregnant or breastfeeding. - Subject has donated blood within the past 30 days prior to Day 1 of treatment with study drugs. - Subject is an employee of or family member of an employee of Quintiles, or DynPort Vaccine Company LLC (DVC) or personnel participating in the conduct of the study. |
Allocation: Randomized, Endpoint Classification: Safety Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Investigator, Outcomes Assessor), Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
United States | Quintiles Phase I Services - Overland Park | Overland Park | Kansas |
Lead Sponsor | Collaborator |
---|---|
National Institute of Allergy and Infectious Diseases (NIAID) |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Effect of PA-824 on cardiac ventricular repolarization (CVR) as measured by QT interval corrected for heart rate using individual-specific formula (QTcI) during the first 24 hours following dosing of PA-824 in healthy volunteers as compared to placebo. | 24 hours after dosing of PA-824 | No | |
Secondary | Effect of PA-824 on CVR measured by QT interval corrected for heart rate by group-specific formula (QTcN), Fridericia (QTcF) and Bazett (QTcB) formulae during the first 24 hours following dosing in healthy volunteers compared to placebo. | 24 hours after dosing of PA-824 | No | |
Secondary | Effect of PA-824 plus moxifloxacin on CVR as measured by QT and QT corrected for heart rate (QTcI, QTcN, QTcF, and QTcB) during the first 24 hours following dosing of PA-824 in healthy volunteers as compared to placebo. | 24 hours after dosing of PA-824 | No | |
Secondary | The effect of Moxifloxacin on CVR as measured by QTcI, QTcN, QTcF, and QTcB, HR and non-QTc ECG intervals (HR, and PR, QRS, and RR intervals) during the first 24 hours following dosing of PA-824 in healthy volunteers as compared to placebo. | 24 hours after dosing of PA-824 | No | |
Secondary | Safety and tolerability evaluated by ophthalmology exam. | Screening , Day -2 and Day 45 | Yes | |
Secondary | Analysis of the QTcI, QTcN, QTcF, QTcB, PR, QRS, and RR intervals and heart rate matched to PK sampling times to allow determination of any PK / pharmacodynamic effect of PA-824 alone and in combination with moxifloxacin. | Day 1 of each treatment period at 0 h (pre-dose) and 0.25, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 24, 48, 72(±4) and 96(±4) hrs (post-dose). | No | |
Secondary | Safety and tolerability evaluated by standard 12-lead ECGs obtained pre-dose and 2, 4, 7 and 10 hrs post-dose on treatment days. | ECGs: pre-dose, 2, 4, 7 & 10 hrs post dose. | Yes | |
Secondary | Safety and tolerability evaluated by continuous AE monitoring throughout the study; physical exams, and laboratory evaluations | Day 0 to Day 45 | Yes | |
Secondary | Serum pharmacokinetics (PK) of 400 mg and 1000 mg of PA-824 and of 400 mg of PA-824 plus 400 mg of moxifloxacin for up to 5 days following dosing. | Day 1 of each treatment period at 0 h (pre-dose) and 0.25, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 24, 48, 72(±4) and 96(±4) hrs (post-dose). | No |
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