CLINICAL TRIALS PROFILE FOR PRIFTIN
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All Clinical Trials for PRIFTIN
| Trial ID | Title | Status | Sponsor | Phase | Start Date | Summary |
|---|---|---|---|---|---|---|
| NCT00023452 ↗ | Three Months of Weekly Rifapentine and Isoniazid for M. Tuberculosis Infection | Completed | VA Office of Research and Development | Phase 3 | 2001-06-01 | Open-label, multi-center, Phase III clinical trial to compare the effectiveness and tolerability of a three-month (12-dose) regimen of weekly rifapentine and isoniazid (3RPT/INH) to the effectiveness of a nine-month (270-dose)regimen of daily isoniazid (9INH) to prevent tuberculosis (TB) among high-risk tuberculin skin-test reactors, including children and HIV-infected persons, who require treatment of latent TB infection (LTBI). |
| NCT00023452 ↗ | Three Months of Weekly Rifapentine and Isoniazid for M. Tuberculosis Infection | Completed | Centers for Disease Control and Prevention | Phase 3 | 2001-06-01 | Open-label, multi-center, Phase III clinical trial to compare the effectiveness and tolerability of a three-month (12-dose) regimen of weekly rifapentine and isoniazid (3RPT/INH) to the effectiveness of a nine-month (270-dose)regimen of daily isoniazid (9INH) to prevent tuberculosis (TB) among high-risk tuberculin skin-test reactors, including children and HIV-infected persons, who require treatment of latent TB infection (LTBI). |
| NCT00694629 ↗ | TBTC Study 29: Rifapentine During Intensive Phase Tuberculosis (TB) Treatment | Completed | Sanofi | Phase 2 | 2008-12-01 | Protocol Synopsis The goal of this Phase 2 clinical trial is to evaluate the antimicrobial activity and safety of an experimental intensive phase (first 8 weeks of treatment) tuberculosis treatment regimen in which rifapentine is substituted for rifampin. Primary Objective - To compare the antimicrobial activity and safety of standard daily regimen comprised of rifampin (approximately 10 mg/kg/dose) + isoniazid + pyrazinamide + ethambutol (RHZE) to that of an experimental regimen comprised of rifapentine (approximately 10 mg/kg/dose) + isoniazid + pyrazinamide + ethambutol (PHZE). Secondary Objectives - To determine and compare for each regimen the time to culture-conversion, using data from 2-, 4-, 6-, and 8-week cultures (10, 20, 30, 40 doses). - To determine and compare for each regimen the proportion of patients with any Grade 3 or 4 adverse reactions - To determine the correlation of the MGIT/BACTEC liquid culture growth index and other mycobacterial and clinical biomarkers with time to culture conversion and treatment failure - To store serum for future assessment of biomarkers of TB treatment response and hypersensitivity to study drugs. - To compare adverse events and 2-month culture conversion rates among HIV-infected patients vs. HIV-uninfected patients - To determine the tolerability and safety, and estimate the antimicrobial activity, of experimental regimens that include isoniazid + pyrazinamide + ethambutol plus either rifapentine 15 mg/kg/dose or rifapentine 20 mg/kg/dose, all administered daily. Assessment of these doses of rifapentine will be performed as an extension to the main study after enrollment in the main study has been completed. Design This will be a prospective, multicenter, open-label clinical study. Adults suspected of having pulmonary tuberculosis who meet eligibility criteria will be randomized to receive either the experimental intensive phase tuberculosis treatment regimen or the standard intensive phase tuberculosis treatment regimen. Randomization will be stratified by presence/absence of cavitation on baseline chest radiograph, and by geographic continent. All doses of study drugs will be given under direct observation and administered 5 days per week. After a subject completes intensive phase therapy, he/she then will be treated with a non-experimental continuation phase tuberculosis treatment regimen. The study extension will be a prospective, multicenter clinical trial. Eligibility criteria will be the same as for the main study. Participants will be randomized to one of four regimens: the standard intensive phase treatment regimen, an investigational regimen in which rifapentine 10 mg/kg/dose is substituted for rifampin, an investigational regimen in which rifapentine 15 mg/kg/dose is substituted for rifampin, or an investigational regimen in which rifapentine 20 mg/kg is substituted for rifampin. Randomization will be stratified by the presence/absence of cavitation on baseline chest radiograph, and by study site. Study drugs will be administered 7 days per week. After a subject completes intensive phase therapy, he/she then will be treated with a non-experimental continuation phase tuberculosis treatment regimen. Subjects will have blood drawn for one pharmacokinetic determination of rifapentine concentration at or after the week 2 visit during intensive phase therapy. This study is being conducted in 2 phases. 1. The main study compares a 10 mg/kg dose of rifapentine, open label, against 10 mg/kg rifampin in an otherwise standard intensive phase regimen of treatment for pulmonary tuberculosis. The projected sample size was 480 enrollments; 530 patients were actually enrolled. 2. The study extension evaluates higher doses of rifapentine, with the specific rifapentine doses (10 mg/kg, 15 mg/kg, and 20 mg/kg) blinded to patients and clinicians, with data collection and endpoints otherwise similar to the main study. The projected sample size for the study extension is 320 enrollments. |
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