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  • Title: The role of nucleoside and nucleotide analogues in nodular regenerative hyperplasia in HIV-infected patients: a case control study.
    Author: Cotte L, Bénet T, Billioud C, Miailhes P, Scoazec JY, Ferry T, Brochier C, Boibieux A, Vanhems P, Chevallier M, Zoulim F.
    Journal: J Hepatol; 2011 Mar; 54(3):489-96. PubMed ID: 21056493.
    Abstract:
    BACKGROUND & AIMS: Nodular regenerative hyperplasia (NRH) leading to non-cirrhotic portal hypertension has been described in HIV-infected patients and has been linked to didanosine. The relation between NRH and other antiretrovirals remains unclear. METHODS: A case-control study was performed in 13 patients with NRH and 78 controls matched for time of inclusion, baseline CD4, and duration of follow-up. Univariate and multivariate conditional logistic regression analyses were performed. RESULTS: Control patients and patients with NRH were similar at baseline regarding demographics and biological data with the exception of older age for patients with NRH (43.9 vs. 33.5 years, p=0.044). At the time of NRH diagnosis, cases had a lower CD4 count (327 vs. 468/mm(3), p=0.013), a similar CD4 percentage (24 vs. 26.2%, p=0.7), a lower platelet count (169 vs. 228 giga/L, p=0.003) and a higher AST level (33 vs. 26 IU/L, p=0.001) than controls. Univariate analysis demonstrated that patients with NRH had been exposed longer than controls to didanosine, stavudine, tenofovir, didanosine+stavudine, and didanosine+tenofovir. The age at baseline [OR 2.2 (1.0-5.0) per 10 years, p=0.053] and didanosine+stavudine cumulative exposure [OR 3.7 (1.4-10.2) per year, p=0.011] were independently associated with NRH. The age at baseline [OR 2.3 (1.0-5.3) per 10 years, p=0.045], cumulative exposure to didanosine [OR 1.4 (1.1-1.9) per year, p=0.023] and to tenofovir [OR 1.7 (1.0-2.8) per year, p=0.04] were independently associated with NRH when didanosine+stavudine exposure was excluded from the model. CONCLUSIONS: NRH in HIV-infected patients seems strongly related to age and the cumulative exposure to didanosine+stavudine, didanosine, and stavudine.
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