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Hampton, Virginia 23666


Purpose:

To determine the antimicrobial activity and tolerability of rifapentine alone and in combination therapy in patients with AIDS and disseminated Mycobacterium avium complex (MAC) bacteremia. To determine the pharmacokinetics of rifapentine and its metabolite, 25-desacetyl, alone and in combination therapy. To determine the pharmacokinetics of azithromycin and clarithromycin (and its 14-OH metabolite) in combination therapy.


Study summary:

This open-label, sequential study is conducted in two parts: a monotherapy phase and a combination treatment phase. In the monotherapy phase sequential 3-patient cohorts receive 1 of 3 doses of rifapentine monotherapy. In the combination treatment phase, 12 patients each are randomized to one of three arms: Arm I: Rifapentine (assigned dose level based on monotherapy phase) plus azithromycin. Arm II: Rifapentine (assigned dose level) plus clarithromycin. Arm III: Rifapentine (assigned dose level) plus ethambutol.


Criteria:

Inclusion Criteria Patients must have: - Documented positive HIV serology status. - Documented AIDS. - Positive blood culture for MAC from the study-designated microbiology laboratory. NOTE: - Patients with presumed MAC bacteremia, as evidenced by positive blood, bone marrow, or liver biopsy culture analyzed locally, may be enrolled pending confirmation. - Minimum of two MAC-associated symptoms, defined as >= grade 1 fever; > grade 1 night sweats, fatigue, diarrhea, abdominal pain, or anorexia; or weight loss > 5% reported within 4 weeks prior to study entry. - Life expectancy of at least 3 months. Prior Medication: Allowed: MAC prophylaxis with medications other than study drugs (5-day washout period required). Exclusion Criteria Co-existing Condition: Patients with the following symptoms or conditions are excluded: - Pulmonary tuberculosis. - Infections requiring the use of disallowed medications. - Serious diseases that introduce undue risks for adverse reactions to study medication. Concurrent Medication: Excluded: - Terfenadine. - Treatment for pulmonary TB. - Study drugs from an outside source. - Medications with anti-MAC activity (i.e., amikacin, ciprofloxacin, clofazimine, rifampin, and rifabutin). Patients with the following prior conditions are excluded: - History of hypersensitivity to rifabutin, rifampin, clarithromycin, erythromycin, azithromycin, or ethambutol. - Previous episode of uveitis. Prior Medication: Excluded: - Prophylactic treatment for MAC with rifabutin or any of the study medications. - Azithromycin within the 3 weeks prior to randomization. - Any investigational drug during the 4 weeks prior to randomization.


NCT ID:

NCT00002192


Primary Contact:

N/A


Backup Contact:

N/A


Location Contact:

Hampton, Virginia 23666
United States



There is no listed contact information for this specific location.

Site Status: N/A


Data Source: ClinicalTrials.gov

Date Processed: September 21, 2017

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