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Is Systemic Lupus Erythematosus Associated With a Declined Immunogenicity and Poor Safety of Influenza Vaccination?: A Systematic Review and Meta-Analysis.

ABSTRACT: There are conflicts on whether influenza vaccinated systemic lupus erythematosus (SLE) patients are associated with a decreased immunogenicity and safety, compared with healthy controls. We conducted meta-analyses to compare SLE patients with healthy controls for flu-vaccine immunogenicity, as well as for adverse events.PubMed, MEDLINE, and Cochrane Library were searched by October 15, 2015. Studies were included when they met the inclusion criteria. Two reviewers independently extracted data on study characteristics, methodological quality, and outcomes. The primary outcome was seroprotection (SP) rate after immunization.A total of 15 studies were included. There were significant differences in SP rates between the SLE patients and healthy controls, respectively, for H1N1 (RR 0.79, 95% CI 0.73-0.87) and B strain (RR 0.75, 95% CI 0.65-0.87), but not for H3N2 (RR 0.84, 95% CI 0.68-1.03). Subgroup analyses demonstrated SLE patients with immunosuppressants, corticosteroids, azathioprine and prednisone had significantly lower SP rates, compared with healthy controls. SLE patients with nonadjuvanted H1N1 vaccine had significantly lower SP rate, compared with healthy controls. SLE patients were not associated with increased adverse events (RR 1.88, 95% CI 0.94-3.77).SLE generates immunogenicity differently, compared with healthy controls in pandemic H1N1 and B strains, but same in seasonal H3N2 strain. Nonadjuvant and special kind of immunosuppressive biologics can play an important role in SLE immunogenicity to flu vaccine. There is no significant difference in adverse event rates between SLE patients and healthy controls.

SUBMITTER: Huang Y

PROVIDER: S-EPMC4902520 | biostudies-literature | 2016 May

REPOSITORIES: biostudies-literature

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Is Systemic Lupus Erythematosus Associated With a Declined Immunogenicity and Poor Safety of Influenza Vaccination?: A Systematic Review and Meta-Analysis.

Huang Yafang Y Wang Huili H Wan Ling L Lu Xiaoqin X Tam Wilson W S WWS

Medicine 20160501 19

There are conflicts on whether influenza vaccinated systemic lupus erythematosus (SLE) patients are associated with a decreased immunogenicity and safety, compared with healthy controls. We conducted meta-analyses to compare SLE patients with healthy controls for flu-vaccine immunogenicity, as well as for adverse events.PubMed, MEDLINE, and Cochrane Library were searched by October 15, 2015. Studies were included when they met the inclusion criteria. Two reviewers independently extracted data on ...[more]

PMID: 27175678

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Project description:ObjectiveTo assess the immunogenicity and safety of influenza vaccine in patients with systemic lupus erythematosus (SLE).MethodsRelevant articles were retrieved from electronic databases. Seroprotection rate, seroconversion rate and factors that increase antibody geometric mean titer (GMT) were used as indices to measure the immunogenicity. The safety of vaccine was assessed through monitoring adverse events, which included side effects and SLE exacerbations. We performed a meta-analysis of influenza vaccine seroprotection, seroconversion and adverse effects. SLE exacerbation after vaccination was comprehensively described. We used the Committee for Proprietary Medicinal Products (CPMP) guidelines to determine whether influenza can induce adequate immunogenicity in patients with SLE.ResultsEighteen studies with 1966 subjects met the inclusion criteria. At least 565 of the subjects were patients with low-to-moderate SLE Disease Activity Index (SLEDAI) score or stable SLE disease. Compared with the general population, seroprotection rate in SLE patients was significantly decreased in patients with H1N1 [odds ratio (OR) = 0.36, 95% confidence interval (CI): 0.27-0.50] and H3N2 vaccination (OR = 0.48, 95% CI: 0.24-0.93), but not influenza B vaccination (OR = 0.55, 95% CI: 0.24-1.25). Seroconversion rate also significantly decreased in patients with H1N1 (OR = 0.39, 95% CI: 0.27-0.57) and influenza B (OR = 0.47, 95% CI: 0.29-0.76) vaccination, but not H3N2 vaccination (OR = 0.62, 95% CI: 0.21-1.79). However, the immunogenicity of influenza vaccine in SLE patients almost reached that of the CPMP guidelines. The OR for side effects (patients versus healthy controls) was 3.24 (95% CI: 0.62-16.76). Among 1966 patients with SLE, 32 experienced mild exacerbation of SLE and five had serious side effects for other reasons.ConclusionInfluenza vaccine has moderate effect on protecting patients with SLE. The side effects of influenza vaccine are not serious and are manageable. With consideration of a higher risk of SLE exacerbation and a more severe course of infection among SLE patients, influenza vaccination should be promoted among SLE patients with a low-to-moderate SLEDAI score or stable disease.

Dataset Information

Is Systemic Lupus Erythematosus Associated With a Declined Immunogenicity and Poor Safety of Influenza Vaccination?: A Systematic Review and Meta-Analysis.

Publications

Is Systemic Lupus Erythematosus Associated With a Declined Immunogenicity and Poor Safety of Influenza Vaccination?: A Systematic Review and Meta-Analysis.

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