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Clinical, epidemiological and treatment failure data among HIV-1 non-B-infected patients in the Spanish AIDS Research Network Cohort / Datos clínicos, epidemiológicos y fracaso terapéutico en los pacientes VIH-1 infectados por variantes no-B incluidos en la Cohorte de la Red española de Investigación en Sida (CoRIS)

Torrecilla García, Esther; Yebra Sanz, Gonzalo; Llácer-Delicado, Teresa; Rubio García, Rafael; González-García, Juan; García García, Federico; López-Aldeguer, José; Asensi Álvarez, Víctor; Holguín Fernández, África.
Enferm. infecc. microbiol. clín. (Ed. impr.); 34(6): 353-360, jun-jul. 2016. tab, graf
Artigo em Inglês | IBECS | ID: ibc-153733


The prevalence of HIV-1 non-B variants is increasing in Spain, showing a higher number of transmitted drug resistance mutations (TDR) since 2002. This study presents the features of non-B-infected patients enrolled in the cohort of antiretroviral treatment (ART) naïve HIV-infected patients included in the Research Network on HIV/AIDS (CoRIS).


The study includes a selected group of HIV-1 non-B-infected subjects from 670 subjects with pol sequences collected from 2004 to 2008 in the CoRIS cohort. Epidemiological-clinical-virological data were analyzed since cohort entry until October 2011, considering the presence or absence of treatment failure (TF).


Eighty two non-B infected subjects with known HIV-1 variants were selected from 2004 to 2008 in the CoRIS cohort, being mainly female, immigrants, infected by recombinant viruses, and by heterosexual route. They had an intermediate TDR rate (9.4%), a high rate of TF (25.6%), of losses to follow-up (35%), of coinfections (32.9%), and baseline CD4+ counts ≥350 cells/mm3 (61.8%). Non-B subjects with TF showed higher rates of heterosexual infection (85.7% vs. 69.5%, p < 0.05), tuberculosis (30.8%vs. 9.1%, p = 0.10) and hepatitis C (23.8% vs. 13.9%, p = 0.34) coinfections and lower rates of syphilis (0% vs. 21.9%, p < 0.05), and had more frequently received first-line ART including protease inhibitors (PIs) than patients without TF (70% vs. 30%, p < 0.05). Interestingly, infection with non-B variants reduced the risk of TDR to nucleoside reverse transcriptase inhibitors and increased the risk to PIs.


HIV-1 non-B-infected patients in Spain had a particular epidemiological and clinical profile that should be considered during their clinical management
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