title: Serologic response to a 23-valent pneumococcal vaccine administered prior to autologous stem cell transplantation in patients with multiple myeloma.
abstract: Patients with multiple myeloma are known to have an increased risk of infections with Streptococcus pneumoniae and vaccination is recommended. We retrospectively investigated the response of a 23-valent polysaccharide-based pneumococcal vaccine in 60 patients with multiple myeloma administered prior to autologous stem cell transplantation (ASCT). Specific antibody titers were measured before and after vaccination. Disease stage was evaluated and associated to the response. We found that 33% of the patients responded to the vaccine. There was a statistic significant association between response to the vaccine and disease stage (p = 0.01). We conclude that vaccination against S. pneumoniae prior to ASCT is reasonable at least in patients responding well to induction therapy, but still it is important to be aware that the response is frequently poor and the duration of it is unknown.
authors.affiliation: Department of Hematology, Aarhus University Hospital, Aarhus C, Denmark. maja.hinge@slb.regionsyddanmark.dk
authors.forename: Maja
authors.initials: M
authors.lastname: Hinge
authors.forename: Helene A S
authors.initials: HA
authors.lastname: Ingels
authors.forename: Hans-Christian
authors.initials: HC
authors.lastname: Slotved
authors.forename: Ingolf
authors.initials: I
authors.lastname: Mølle
mesh_terms: D000328:Adult; D000368:Aged; D000907:Antibodies, Bacterial / Q000097:blood*; D005260:Female; D018380:Hematopoietic Stem Cell Transplantation; D006801:Humans; D008297:Male; D008875:Middle Aged; D009101:Multiple Myeloma / Q000276:immunology / Q000628:therapy*; D011008:Pneumococcal Infections / Q000276:immunology / Q000517:prevention & control*; D022242:Pneumococcal Vaccines / Q000008:administration & dosage* / Q000276:immunology; D012189:Retrospective Studies; D014182:Transplantation, Autologous; D014611:Vaccination
chemical_list: C414006:23-valent pneumococcal capsular polysaccharide vaccine; D000907:Antibodies, Bacterial; D022242:Pneumococcal Vaccines