- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01215851
Evaluation of Early Bactericidal Activity in Pulmonary Tuberculosis With(J-M-Pa-Z) (NC-001)
A Phase II Trial to Evaluate the Early Bactericidal Activity, Safety and Tolerability of the Following: TMC207 Alone, TMC207 Plus Pyrazinamide,TMC207 Plus PA-824,PA-824 Plus Pyrazinamide and PA-824 Plus Pyrazinamide and Moxifloxacin, in Adult Patients With Newly Diagnosed, Smear-Positive Pulmonary Tuberculosis.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Cape Town, South Africa, 7700
- Centre for Tuberculosis Research Innovation, UCT Lung Institute
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Cape Town, South Africa
- TASK APPLIED SCIENCE, Karl Bremer Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Provide written, informed consent prior to all trial-related procedures including HIV testing.
- Male or female, aged between 18 and 65 years inclusive.
- Body weight (in light clothing and with no shoes) between 40 and 90 kg, inclusive.
- Newly diagnosed, previously untreated, sputum smear-positive pulmonary TB.
- A chest X-ray picture which in the opinion of the Investigator is compatible with TB.
- Sputum positive on direct microscopy for acid-fast bacilli (at least 1+ on the IUATLD/WHO scale).
- Ability to produce an adequate volume of sputum as estimated from a spot assessment (estimated 10 ml or more overnight production).
- Females may participate if they are: 1) of non-childbearing potential (have had a bilateral oophorectomy and/or hysterectomy or have been postmenopausal for at least 12 consecutive months), 2) if they are using effective birth control methods and are willing to continue practicing birth control methods throughout treatment or 3) be non-heterosexually active, practice sexual abstinence or have a vasectomized partner (confirmed sterile). Therefore to be eligible for this study women of childbearing potential should either: 1) use a double barrier method to prevent pregnancy (i.e. use a condom with either diaphragm or cervical cap) or 2) use hormonal based contraceptives in combination with a barrier contraceptive, or 3) use an intrauterine device in combination with a barrier contraceptive. They must also be willing to continue these contraceptive measures until 6 months after the last dose of study medication or 6 months after discontinuation from study medication in case of premature discontinuation. (Note: Hormone-based contraception alone may not be reliable when taking IMP; therefore, hormone-based contraceptives alone cannot be used by female participants to prevent pregnancy).
Male participants who are having heterosexual intercourse with females of child-bearing potential are required to use one of the following birth control methods during their participation in the trial and for 12 weeks after their last dose of study medication to prevent pregnancy:
- a double barrier method which can include a male condom, diaphragm, cervical cap, or female condom; or
- a barrier method combined with hormone-based contraceptives or an intra-uterine device for the female partner.
The use of the above mentioned birth control method does not apply if the male participant has been vasectomised or has had a bilateral orchidectomy minimally one month prior to screening, or is not heterosexually active, or practice sexual abstinence or if the female sexual partner has had a bilateral oophorectomy and/or hysterectomy or has been postmenopausal for at least 12 consecutive months.
Exclusion Criteria
Medical History
- Evidence of clinically significant (as judged by the investigator), metabolic, gastrointestinal, cardiovascular, musculoskeletal, ophthalmological, pulmonary, neurological, psychiatric or endocrine diseases, malignancy, or other abnormalities (other than the indication being studied).
- Poor general condition where any delay in treatment cannot be tolerated per discretion of the Investigator.
- A history of previous TB.
- Clinically significant evidence of extrathoracic TB (miliary TB, abdominal TB, urogenital TB, osteoarthritic TB, TB meningitis), as judged by the Investigator.
- History of allergy to the IMP or related substances, including a known allergy to any fluoroquinolone antibiotic, history of tendinopathy associated with quinolones or suspected hypersensitivity to any rifamycin antibiotics.
- Isoniazid-resistant and Rifampicin-resistant bacteria detected with a sputum specimen collected within the pre-treatment period and tested at the study laboratory.
- Known or suspected, current or history of within the past 2 years, alcohol or drug abuse, that is, in the opinion of the Investigator, sufficient to compromise the safety or cooperation of the participant.
HIV infected participants:
- having a CD4+ count <300 cells/µL;
- or having received antiretroviral therapy medication within the last 90 days;
- or having received oral or intravenous antifungal medication within the last 90 days;
- or with an AIDS-defining opportunistic infection or malignancies (except pulmonary TB).
- Having participated in other clinical studies with investigational agents within 8 weeks prior to trial start.
- Significant cardiac arrhythmia requiring medication.
Participants with the following at screening:
- Marked prolongation of QT/QTc interval, e.g., confirmed demonstration of QTcF (Fridericia correction) or QTcB (Bazett correction) interval >450 ms at screening;
- History of additional risk factors for Torsade de Pointes, e.g., heart failure, hypokalemia, family history of Long QT Syndrome;
- Use of concomitant medications that prolong the QT/QTc interval (see exclusion criterion 22 as well as list of disallowed medication in Section 4.7.2);
- Pathological Q waves (defined as >40ms or depth >0.4-0.5mV);
- ECG evidence of ventricular pre-excitation;
- ECG evidence of complete or incomplete left bundle branch block or right bundle branch block;
- ECG evidence of second or third degree heart block;
- Intraventricular conduction delay with QRS duration >120ms;
- Bradycardia as defined by sinus rate <50bpm.
- Females who are pregnant, breast-feeding, or planning to conceive a child within 6 months of cessation of treatment.
- Males planning to conceive a child within twelve weeks of cessation of treatment.
- History and/or presence (or evidence) of neuropathy or epilepsy.
- Diabetes Mellitus requiring insulin.
- History of lens opacity or evidence of lens opacity on slit lamp ophthalmologic examination.
For males, any evidence or history of a clinically significant abnormality in the reproductive system, including but not limited to the following: serum testosterone, luteinizing hormone (LH), and/or follicle-stimulating hormone (FSH) levels outside the laboratory reference range. An evaluation resulting in an isolated abnormal value (i.e., only 1 of the 3 hormones is abnormal) may be repeated using a morning (ideally, 8am) serum specimen. If the laboratory value on the repeat specimen is outside the laboratory reference range, unless the result is deemed not clinically significant by the Investigator in consultation with the Sponsor Medical Monitor, the participant should be excluded.
Specific Treatments
- Previously received treatment with TMC207 or PA-824 as part of a clinical trial.
- Treatment received with any drug active against MTB within the 3 months prior to Visit 1 (e.g. isoniazid, ethambutol, amikacin, cycloserine, rifabutin, rifampicin, streptomycin, kanamycin, para-aminosalicylic acid, rifapentine, pyrazinamide, thioacetazone, capreomycin, fluoroquinolones, thioamides, metronidazole).
- Any diseases or conditions in which the use of the standard TB drugs or any of their components is contra-indicated, including but not limited to allergy to any TB drug, their component or to the IMP.
- Any disease or conditions in which any of the medicinal products listed in the section pertaining to prohibited medications is used.
- Concomitant use of any drug known to prolong QTc interval (including amiodarone, bepridil, chloroquine, chlorpromazine, cisapride, clarithromycin, disopyramide dofetilide, domperidone, droperidol, erythromycin, halofantrine, haloperidol, ibutilide, levomethadyl, mesoridazine, methadone, pentamidine, pimozide, procainamide, quinidine, sotalol, sparfloxacin, thioridazine). The exception is moxifloxacin which is one of the drugs being evaluated in this study, with extensive ECG monitoring to help ensure patient safety.
- Use of any drugs or substances within 30 days prior to dosing known to be strong inhibitors or inducers of cytochrome P450 enzymes (such as quinidine, tyramine, ketoconazole, testosterone, quinine, gestodene, metyrapone, phenelzine, doxorubicin, troleandomycin, cyclobenzaprine, erythromycin, cocaine, furafylline, cimetidine, dextromethorphan). Exceptions may be made for participants that have received 3 days or less of one of these drugs or substances, if there has been a wash-out period before administration of IMP equivalent to at least 5 half-lives of that drug or substance.
- Use of any therapeutic agents known to alter any major organ function (e.g., barbiturates, opiates, phenothiazines, cimetidine) within 30 days prior to dosing.
Use of systemic glucocorticoids within one year prior to dosing.
Based on Laboratory Abnormalities
Participants with the following toxicities at screening as defined by the enhanced Division of Microbiology and Infectious Disease (DMID) adult toxicity table (November 2007):
- creatinine grade 2 or greater (>1.5 times upper limit of normal [ULN]);
- lipase grade 3 or greater (>2.0 x ULN);
- hemoglobin grade 4 (<6.5 g/dL);
- platelets grade 2 or greater (under 50x109 cells/L);
- serum potassium grade 2 or greater (<3.5 mEq/L);
- aspartate aminotransferase (AST) grade 3 (≥3.0 x ULN) to be excluded;
- alanine aminotransferase (ALT) grade 3 (≥3.0 x ULN) to be excluded;
- alkaline phosphatase (ALP) grade 4 (>8.0 x ULN) to be excluded, grade 3 (≥3.0 x ULN) must be discussed with the sponsor Medical Monitor;
- total bilirubin grade 3 or greater (>2.0 x ULN, or >1.50 x ULN when accompanied by any increase in other liver function test) to be excluded, grade 2 (>1.50 x ULN, or >1.25 x ULN when accompanied by any increase in other liver function test) must be discussed with the sponsor Medical Monitor.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: TMC207
TMC207 administered once daily as 100mg tablet for total daily dose of 700 mg on Day 1; 500mg on Day 2; 400mg on Days 3-14 plus pyrazinamide placebo administered once daily
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TMC207 700 mg Day 1; 500mg Day 2; 400mg Days 3-14
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Experimental: TMC207 and pyrazinamide
TMC207 administered once daily as 100mg tablet for total daily dose of 700 mg on Day 1; 500mg on Day 2; 400mg on Days 3-14 plus pyrazinamide administered once daily in 500mg tablets dosed by weight as follows: < or = 55kg received 2 tablets/day; >55kg to 75kg received 3 tablets/day; >75kg received 4 tablets/day
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TMC207 700 mg Day 1; 500mg Day 2; 400mg Days 3-14
Dosed by Weight
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Experimental: PA-824 and pyrazinamide
PA-824 administered once daily as 200mg tablets and pyrazinamide administered once daily in 500mg tablets dosed by weight as follows: < or = 55kg received 2 tablets/day; >55kg to 75kg received 3 tablets/day; >75kg received 4 tablets/day and moxifloxacin placebo (matched to moxifloxacin tablets) administered once daily
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Dosed by Weight
200 mg tablet, once daily for 14 days
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Experimental: PA-824 and moxifloxacin and pyrazinamide
PA-824 administered once daily as 200mg tablets and pyrazinamide administered once daily in 500mg tablets dosed by weight as follows: < or = 55kg received 2 tablets/day; >55kg to 75kg received 3 tablets/day; >75kg received 4 tablets/day and moxifloxacin administered once daily as 400mg tablets
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200 mg tablet, once daily for 14 days
moxifloxacin 400 mg
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Active Comparator: Rifafour e-275 mg
Rifafour e-275 administered once daily with each tablet containing 150mg rifampicin, 75mg isoniazid, 400mg pyrazinamide, and 275mg ethambutol and dose by weight as follows: 30kg-37kg received 2 tablets/day; 38kg-54kg received 3 tablets/days; 55kg-70kg received 4 tablets/day; > or = 71kg received 5 tablets/day
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Rifafour e-275
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Experimental: TMC207 and PA-824
TMC207 administered once daily as 100mg tablet for total daily dose of 700 mg on Day 1; 500mg on Day 2; 400mg on Days 3-14 plus PA-824 administered once daily as 200mg tablets
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TMC207 700 mg Day 1; 500mg Day 2; 400mg Days 3-14
200 mg tablet, once daily for 14 days
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Early Bactericidal Activity (EBA) Measured as the Mean Rate of Change of log10 Colony Forming Units (CFU) of M. Tuberculosis Per ml Sputum on Solid Medium Over Time (Days 0-14).
Time Frame: 14 consecutive days of treatment
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Log10 CFU rates of change were calculated for each individual patient from the slopes β1 and β2 of the bi-linear regression fitted to the data for each individual patient (log10CFU versus Day).
Mean log10 CFU changes from baseline were compared.
A higher slope value indicates a greater change in log10 CFU from baseline.
Note that to facilitate interpretation the sign of these slopes are reversed for logCFU.
A positive slope value therefore indicates a reduction in log10 CFU from baseline.
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14 consecutive days of treatment
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Early Bactericidal Activity (EBA) Measured as the Mean Rate of Change of log10 Colony Forming Units (CFU) of M. Tuberculosis Per ml Sputum on Solid Medium Over Time (Days 0-2).
Time Frame: Day 0-2
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Log10 CFU rates of change were calculated for each individual patient from the slopes β1 and β2 of the bi-linear regression fitted to the data for each individual patient (log10CFU versus Day).
Mean log10 CFU changes from baseline were compared.
A higher slope value indicates a greater change in log10 CFU from baseline.
Note that to facilitate interpretation the sign of these slopes are reversed for logCFU.
A positive slope value therefore indicates a reduction in log10 CFU from baseline.
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Day 0-2
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Early Bactericidal Activity (EBA) Measured as the Mean Rate of Change of log10 Colony Forming Units (CFU) of M. Tuberculosis Per ml Sputum on Solid Medium Over Time (Days 2-14).
Time Frame: Day 2-14
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Log10 CFU rates of change were calculated for each individual patient from the slopes β1 and β2 of the bi-linear regression fitted to the data for each individual patient (log10CFU versus Day).
Mean log10 CFU changes from baseline were compared.
A higher slope value indicates a greater change in log10 CFU from baseline.
Note that to facilitate interpretation the sign of these slopes are reversed for logCFU.
A positive slope value therefore indicates a reduction in log10 CFU from baseline.
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Day 2-14
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Early Bactericidal Activity (EBA) Measured as the Mean Rate of Change of log10 Colony Forming Units (CFU) of M. Tuberculosis Per ml Sputum on Solid Medium Over Time (Days 7-14).
Time Frame: Day 7-14
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Log10 CFU rates of change were calculated for each individual patient from the slopes β1 and β2 of the bi-linear regression fitted to the data for each individual patient (log10CFU versus Day).
Mean log10 CFU changes from baseline were compared.
A higher slope value indicates a greater change in log10 CFU from baseline.
Note that to facilitate interpretation the sign of these slopes are reversed for logCFU.
A positive slope value therefore indicates a reduction in log10 CFU from baseline.
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Day 7-14
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Rate of Change in Time to Sputum Culture Positivity (TTP)(Hours) in Liquid Culture Media (Days 0-14)
Time Frame: 14 Days
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The TTP was measured in the Mycobacterial Growth Indicator Tube (MGIT) (Bactec MGIT960) automated liquid culture system from overnight sputum.
TTP rates of change were calculated for each individual patient from the slopes β1 and β2 of the bi-linear regression fitted to the data for each individual patient (TTP versus Day).
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14 Days
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Collaborators and Investigators
Investigators
- Principal Investigator: Andreas Diacon, Karl Bremer Hospital, Cape Town South africa
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
- Infections
- Respiratory Tract Infections
- Respiratory Tract Diseases
- Lung Diseases
- Bacterial Infections
- Bacterial Infections and Mycoses
- Gram-Positive Bacterial Infections
- Actinomycetales Infections
- Mycobacterium Infections
- Tuberculosis
- Tuberculosis, Pulmonary
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Enzyme Inhibitors
- Antineoplastic Agents
- Topoisomerase II Inhibitors
- Topoisomerase Inhibitors
- Anti-Bacterial Agents
- Antitubercular Agents
- Moxifloxacin
- Pyrazinamide
Other Study ID Numbers
- NC-001-(J-M-Pa-Z)
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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