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dc.rights.licenseopenen_US
dc.contributor.authorGALMICHE, Simon
dc.contributor.authorLUONG NGUYEN, Liem Binh
dc.contributor.authorTARTOUR, Eric
dc.contributor.authorDE LAMBALLERIE, Xavier
hal.structure.identifierBordeaux population health [BPH]
dc.contributor.authorWITTKOP, Linda
dc.contributor.authorLOUBET, Paul
dc.contributor.authorLAUNAY, Odile
dc.date.accessioned2022-01-20T08:22:07Z
dc.date.available2022-01-20T08:22:07Z
dc.date.issued2021-09-29
dc.identifier.issn1198-743Xen_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/124444
dc.description.abstractEnBACKGROUND: Available data show that COVID-19 vaccines may be less effective in immunocompromised populations, who are at increased risk of severe COVID-19. OBJECTIVES: We conducted a systematic review of literature to assess immunogenicity, efficacy and effectiveness of COVID-19 vaccines in immunocompromised populations. DATA SOURCES :We searched Medline and Embase databases. STUDY ELIGIBILITY CRITERIA, PATIENTS, INTERVENTIONS: We included studies of COVID-19 vaccines after complete vaccination in immunocompromised patients until 31 August 2021. Studies with <10 patients, safety data only and case series of breakthrough infections were excluded. METHODS: Risk of bias was assessed via the tool developed by the National Institutes of Health on interventional and observational studies. Immunogenicity was assessed through non-response rate defined as no anti-SARS-CoV-2 spike protein antibodies, efficacy and effectiveness by the relative reduction in risk of SARS-CoV-2 infection or COVID-19. We collected factors associated with the risk of non-response. We presented collected data by immunosuppression type. RESULTS: We screened 5917 results, included 162 studies. There were 157 on immunogenicity in 25 209 participants, including 7835 cancer or haematological malignancy patients (31.1%), 6302 patients on dialysis (25.0%), 5974 solid organ transplant recipients (23.7%) and 4680 immune-mediated disease patients (18.6%). Proportion of non-responders seemed higher among solid organ transplant recipients (range 18–100%) and patients with haematological malignancy (range 14–61%), and lower in patients with cancer (range 2–36%) and patients on dialysis (range 2–30%). Risk factors for non-response included older age, use of corticosteroids, immunosuppressive or anti-CD20 agent. Ten studies evaluated immunogenicity of an additional dose. Five studies evaluated vaccine efficacy or effectiveness: three on SARS-CoV-2 infection (range 71–81%), one on COVID-19-related hospitalization (62.9%), one had a too small sample size. CONCLUSIONS: This systematic review highlights the risk of low immunogenicity of COVID-19 vaccines in immunocompromised populations, especially solid organ transplant recipients and patients with haematological malignancy. Despite lack of vaccine effectiveness data, enhanced vaccine regimens may be necessary.
dc.language.isoENen_US
dc.subject.enCancer
dc.subject.enCOVID-19
dc.subject.enDialysis
dc.subject.enEffectiveness
dc.subject.enEfficacy
dc.subject.enImmunogenicity
dc.subject.enSARS-CoV-2 immunocompromised
dc.subject.enSolid organ transplant
dc.subject.enVaccine
dc.title.enImmunological and clinical efficacy of COVID-19 vaccines in immunocompromised populations: a systematic review
dc.typeArticle de revueen_US
dc.identifier.doi10.1016/j.cmi.2021.09.036en_US
dc.subject.halSciences du Vivant [q-bio]/Santé publique et épidémiologieen_US
dc.identifier.pubmed35020589en_US
bordeaux.journalClinical Microbiology and Infectionen_US
bordeaux.hal.laboratoriesBordeaux Population Health Research Center (BPH) - UMR 1219en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionINSERMen_US
bordeaux.teamMORPH3Eusen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
hal.exportfalse
dc.rights.ccPas de Licence CCen_US
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