Immunogenicity of Influenza Vaccination in Patients with Non-Hodgkin Lymphoma

Jagiellonian University, Cracovia, Lesser Poland Voivodeship, Poland
Journal of Clinical Immunology (Impact Factor: 3.18). 06/2007; 27(3):339-46. DOI: 10.1007/s10875-007-9073-3
Source: PubMed


The purpose of this study was to assess humoral response to influenza vaccine in patients (pts) with non-Hodgkin lymphoma (NHL) as compared to healthy subjects (ctrl).
In two epidemic seasons, 2003/2004 and 2004/2005, 163 pts and 92 ctrl were vaccinated. Antibody titers to hemagglutinin (HA) and neuraminidase (NA) were measured in serum samples collected before vaccination, and 1 and 6 months apart. Changes in antibody titers were assessed by comparing geometric mean titers (GMT), mean fold increases (MFI), and seroprotection and seroresponse rates to baseline values.
Pts vaccinated in 2003/2004 had, after 1 month, increase in GMT by a factor of 8.64-26.60 for antihemagglutinin antibodies (HI) and 6.93-12.66 for antineuraminidase antibodies (NI), as compared to factor of 9.12-24.41 for HI and 4.83-10.31 for NI in ctrl. At 1 month after vaccination, seroprotection and seroresponse rates were similar in both groups, ranging from 68.42 to 84.21% and 71.93 to 94.74% in NHL, and 66.67-82.22% and 62.22-86.67% in ctrl, respectively. Pts vaccinated in 2004/2005 had increase in the GMT by a factor of 38.76-41.49 for HI and 26.59-30.31 for NI, as compared to factor of 81.19-104.32 for HI and 52.16-54.52 for NI in ctrl. Seroprotection and seroresponse rates were lower in the former group, ranging from 62.11 to 65.26% and 74.47 to 77.66%, respectively. In both seasons, pts achieved titres of antibodies greater than the protective threshold, irrespective of the previous chemotherapy administration.
The results indicate that influenza vaccination induces sufficient immune response in pts with NHL, irrespective of previous chemotherapy.

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