Publications by authors named "Hubertus G Niesters"

We studied the recovery of CMV-specific CD4+ and CD8+ T-cell immunity in 52 recipients of allogeneic stem cell transplantation (SCT). The proportions of IFN-gamma-producing CD4+ and CD8+ T cells upon in vitro activation using peptide pools representing the CMV pp65 and IE-1 proteins were assessed at multiple time points post SCT, and correlated with the occurrence of CMV reactivation. In a retrospective analysis, recurrent CMV reactivations occurred in 9 patients and were associated with low pp65-specific CD4+ T-cell and low IE-1-specific CD8(+) T-cell reactivities, whereas patients without detectable CMV reactivation (n = 30) or a single reactivation (n = 13) showed a better recovery of these immune responses.

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Data on the long-term effects of interferon alfa (IFN) treatment on disease progression and mortality in patients with chronic hepatitis B (CHB) are limited. To evaluate factors that influence clinical outcome and survival, we performed a follow-up study on 165 hepatitis B e antigen (HBeAg) positive CHB patients treated with IFN between 1978 and 2002. The median IFN dose was 30 megaunits (MU)/week (range, 2-70 MU/week), and the median duration of therapy was 16 weeks (range, 1-92 weeks).

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