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Updated: Oct 12, 2026

Processing of Bronchoalveolar Lavage Fluid and Matched Blood for Alveolar Macrophage and CD4+ T-cell Immunophenotyping and HIV Reservoir Assessment
Published on: June 23, 2019
[Current status in the prevention of Mycobacterium avium complex infections in patients with HIV infection]
T Doco-Lecompte1, F Brel, T May
1Service de Maladies Infectieuses et Tropicales, Hôpitaux de Brabois, Vandoeuvre.
Abstract:
Mycobacterium avium complex (MAC) infections in AIDS are increasingly common and contribute to the mortality in severe immunocompromised patients. In this paper, we review the published studies on the prevention of the MAC infections. Rifabutin and the new macrolides (clarithromycin, azithromycin) are shown to be effective in the primary prevention. However, they can fail and are difficult to manage with the antiretroviral treatment, specially antiproteases and prevention of the other opportunistic infections. For the prevention of the relapse of the MAC infections, it is necessary to give a prolonged treatment with a bio-therapy associating at least a new macrolide with rifabutin or ethambutol, which is also difficult to manage with the other treatments.
Insights
Preventing Mycobacterium avium complex (MAC) infections in AIDS patients requires careful consideration of primary prevention with rifabutin or macrolides. Relapse prevention necessitates prolonged combination therapy, posing management challenges with other treatments.
Area of Science:
- Infectious Diseases
- Immunology
- HIV/AIDS Research
Context:
- Mycobacterium avium complex (MAC) infections are a significant concern in patients with Acquired Immunodeficiency Syndrome (AIDS).
- These infections contribute to mortality, particularly in individuals with severe immunodeficiency.
- The increasing prevalence necessitates a review of effective prevention strategies.
Purpose:
- To review published studies on the prevention of Mycobacterium avium complex (MAC) infections in patients with AIDS.
- To evaluate the efficacy and management challenges of prophylactic treatments for MAC.
Summary:
- Primary prevention of MAC infections can be achieved with rifabutin and newer macrolides like clarithromycin and azithromycin.
- These agents may fail and present challenges when co-administered with antiretroviral treatments, especially protease inhibitors.
- Relapse prevention requires prolonged combination therapy, often with a macrolide plus rifabutin or ethambutol, which also complicates management.
Impact:
- Highlights the efficacy of specific drugs for MAC prevention in immunocompromised individuals.
- Underscores the complex drug-drug interactions and management difficulties in co-infected patients.
- Informs clinical practice regarding the optimal use and limitations of current MAC prophylaxis and treatment regimens.
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