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  • Title: Treatment of HIV-1-associated Kaposi's sarcoma with pegylated liposomal doxorubicin and HAART simultaneously induces effective tumor remission and CD4+ T cell recovery.
    Author: Lichterfeld M, Qurishi N, Hoffmann C, Hochdorfer B, Brockmeyer NH, Arasteh K, Mauss S, Rockstroh JK, German Clinical AIDS Working Group (KAAD).
    Journal: Infection; 2005 Jun; 33(3):140-7. PubMed ID: 15940415.
    Abstract:
    BACKGROUND: The combination of highly active antiretroviral therapy (HAART) and liposomal doxorubicin is a promising approach for the treatment of progressive HIV-related Kaposi's sarcoma (KS). Here, we determined the safety, tolerability, and efficacy of liposomal doxorubicin and HAART as a combined treatment approach for advanced KS, and assessed the impact of liposomal doxorubicin on HAART-mediated immune reconstitution and viral suppression. PATIENTS AND METHODS: In an uncontrolled observational trial, KS treatment responses were assessed in 54 HIV-1-infected patients with advanced KS according to ACTG criteria. Immunological and virological treatment responses were compared to 54 non-KS-affected HIV-1 patients who were individually matched to the study participants according to sex, age (+/- 5 years), CD4+ T cell count (+/- 25%), HIV RNA load (+/- 25%) and previous antiretroviral therapy exposure. RESULTS: In 81.5% of the study patients, complete or partial responses were observed within a median of 8 weeks. Treatment-related side effects were predominantly confined to leukopenia (44.4% of patients) and mild-to-moderate liver enzyme elevation (22.3% of patients). Relative CD4+ T cell counts increased to a similar degree both in study patients and matched pairs (7% vs 6%, respectively), yet, absolute CD4+ T cell counts augmented considerably stronger in chemotherapy-naive matched pairs than in the study patients. CONCLUSION: The simultaneous administration of HAART and liposomal doxorubicin is a safe and effective treatment approach for advanced KS and HAART-mediated recovery of relative CD4+ T cell counts does not seem to be impaired by concomitant treatment with liposomal doxorubicin.
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