Radin, MCecchi, IPerez-Sanchez, C2023-01-252023-01-252017-04-26Radin M, Cecchi I, Pérez-Sánchez C. Antiphospholipid antibodies negativization: time for testing for non-criteria aPL? Lupus. 2017 Nov;26(13):1457-1458http://hdl.handle.net/10668/11215Sir,While we read with interest the recent article byComarmond and colleagues 1 about the cessation oforal anticoagulants in antiphospholipid syndrome(APS), we do feel there are some points of the studystill open for discussion.Comarmond and colleagues 1 describe 10 patientswith prolonged disappearance of antiphospholipidantibodies (aPL) that were stopped anticoagulationtherapy. After a median duration of follow-up of 19months since the cessation of oral anticoagulants,one out of 10 patients relapsed developing pulmon-ary embolism.enAnticoagulantsFollow-up studiesEmbolismAntibodies, antiphospholipidAnticoagulantsAntiphospholipid syndromeHumansLupus erythematosus, systemicresearch article28530465AnticoagulantesAnticuerpos antifosfolípidosLupus eritematoso sistémicoSíndrome antifosfolípido10.1177/09612033177110141477-0962