ArticleEuropean journal of medical research2009
Impaired CD4-cell immune reconstitution upon HIV therapy in patients with toxoplasmic encephalitis compared to patients with pneumocystis pneumonia as AIDS indicating disease.
Article in European journal of medical research, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- New derivatives of the antimalarial drug Pyrimethamine in the control of melanoma tumor growth: an in vitro and in vivo study.Journal of experimental & clinical cancer research : CR · 2016Article
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6 authors.
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No grant is acknowledged in the PubMed record.
Abstract
objectivesThere is only little data on immune reconstitution in antiretroviral naive AIDS-patients with toxoplasmosis. The observation of several cases with reduced increase of CD4-cells upon start of antiretroviral treatment (ART) prompted us to investigate the topic using the ClinSurv cohort.
methods17 German HIV treatment centers contribute to ClinSurv, a multicentre observational cohort under the auspices of the Robert Koch Institute. We retrospectively selected all antiretroviral-naive patients with toxoplasmic encephalitis (TE) and - as comparator group - with pneumocystosis (PCP) between January 1999 and December 2005.
resultsA total of 257 patients were included in the analysis, 61 with TE and 196 with PCP. Demographic baseline data showed differences with regard to gender, transmission group, and baseline CD4 superset+ counts (60.9 vs. 44.7/microl, p = 0.022). After ART-initiation the increase in CD4 superset+ lymphocytes was lower in the TE- versus the PCP-group in the first, second and fourth three-month-period (74.4 vs. 120.3/microl, p = 0.006; 96.6 vs. 136.2/microl, p = 0.021; 156.5 vs. 211.5/microl, p = 0.013). Viral load (VL) was higher in the PCP-group at baseline (4.46 log subset10cop/ml vs. 5.00 log subset10cop/ml, p = 0.008), while virological success of ART was equal.
conclusionsOur data show for the first time that the average CD4 superset+ T-cell increase of patients with toxoplasmosis is impaired compared to PCP-patients. Most clinicians would not be prepared to discontinue follow-up TE-therapy unless CD4 superset+ counts of 200/microl are reached. Explanation for our finding might be the myelosuppressive side effect of pyrimethamine, possible interactions of toxoplasmosis therapy with ART, or an unknown direct biological influence of toxoplasmosis on immune restoration.
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