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© Research
Publication : Journal of acquired immune deficiency syndromes (1999)

Response to highly active antiretroviral therapy at 6 months and long-term disease progression in HIV-1 infection

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Journal of acquired immune deficiency syndromes (1999) - 01 Jul 2005

Grabar S, Le Moing V, Goujard C, Egger M, Leport C, Kazatchkine MD, Weiss L, Costagliola D

Link to Pubmed [PMID] – 15980687

J. Acquir. Immune Defic. Syndr. 2005 Jul;39(3):284-92

OBJECTIVE: To compare the long-term prognostic significance of different definitions of immunologic and virologic responses to highly active antiretroviral therapy (HAART) at 6 months.

METHODS: This was a prospective study conducted in 68 French hospitals. HAART was initiated in 2236 protease inhibitor-naive patients included in the French Hospital Database on HIV. Multivariate Cox proportional hazard models measuring time from 6 months after starting HAART were used to compare the strength of the association between different definitions of immunologic and virologic responses at 6 months and subsequent progression to AIDS or death. The Akaike’s Information Criteria were used to identify the most appropriate model.

RESULTS: During a median follow-up of 58 months, 325 patients experienced an AIDS-defining event or died. The model that fitted best was the model in which the CD4 cell count and plasma HIV-1 RNA values attained at 6 months were considered. The risk of clinical progression at 5 years ranged from 7% (95% confidence interval [CI]: 4-10) in patients whose CD4 cell count at 6 months was >or=350 cells/microL and whose HIV-1 RNA concentration was <3 log10 copies/mL to 63% (95% CI: 52-75) in patients whose CD4 cell count at 6 months was or=5 log10.

CONCLUSIONS: Plasma HIV-1 RNA concentration and CD4 cell count should be taken into account independently when evaluating early response to treatment. The persistent impact of early response on clinical progression at 5 years emphasizes the major importance of the success of first-line HAART.

http://www.ncbi.nlm.nih.gov/pubmed/15980687