期刊
AMERICAN JOURNAL OF TRANSPLANTATION
卷 11, 期 10, 页码 2205-2213出版社
WILEY-BLACKWELL
DOI: 10.1111/j.1600-6143.2011.03692.x
关键词
Immune response; influenza A H1N1 vaccine; mTOR inhibitors; solid organ transplantation
资金
- Fondo de Investigacion Sanitaria [PI050226/2005, PI060521/2006]
- Ministerio de Ciencia e Innovacion, Instituto de Salud Carlos III [GR09/0041]
- Ministerio de Ciencia e Innovacion, Instituto de Salud Carlos III
- European Development Regional Fund [REIPI RD06/0008/0000]
Concern has been raised regarding the response to vaccination in solid organ transplant recipients (SOTR) undergoing immunosuppressant regimens and the possibility of rejection related to the immune response associated with pandemic influenza H1N1-2009 vaccination. The goal of this study was to assess the immunogenicity, efficacy and safety of the pandemic vaccine in SOTR. We performed a multicenter prospective study in SOTR receiving the pandemic vaccine. Immunological response was determined in serum 5 weeks after vaccination by microneutralization assays, and immunoglobulins were measured by ELISA. Three hundred and forty-six SOTR were included. Preexisting seroprotection was detected in 13.6% of cases and rates of seroconversion and seroprotection after vaccination were 73.1% and 82.9%, respectively. Patients with baseline antibody titers had better geometric mean titers (GMT)-post after pandemic vaccination (339.4 vs. 121.4, p < 0.001). Younger age, liver disease and m-TOR inhibitor therapy were independently associated with lower seroprotection and GMT-post. There were no major adverse effects or rejection episodes. Pandemic vaccine was safe in SOTR and elicited an adequate response, although lower than in healthy individuals. This is the first study describing a decreased response after vaccination in patients receiving mTOR inhibitors who presented lower seroprotection rates and lower GMT-post.
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