Production of anti-PF4 antibodies in antiphospholipid antibody-positive patients is not affected by COVID-19 vaccination.
Paola Adele LonatiCaterina BodioMariangela ScavoneGiuliana MartiniElisa PesceAlessandra BanderaAndrea LombardiMaria GerosaFranco FranceschiniAngela TincaniGianmarco PoddaSergio AbrignaniRenata GrifantiniMarco CattaneoMaria Orietta BorghiPier Luigi MeroniPublished in: RMD open (2022)
Heparin treatment-independent anti-PF4 antibodies can be found in aPL-positive patients and asymptomatic carriers, but their presence, titre as well as in vitro effect on platelet activation are not affected by COVID-19 vaccination.