It is likely that the higher antibody titers along with natural immunity may confer strong protection in these patients

It is likely that the higher antibody titers along with natural immunity may confer strong protection in these patients. in multivariate logistic regression analysis (Odds Ratio 2.35, 95% confidence interval 1.2C4.6, test was used when appropriate. Univariate and multivariate analyses were tested using logistic SSR128129E regression models. Variables with a value??0.1 in the univariate model were included in the multivariate analysis. A value??71?years, (%)382 (27.4)Male, (%)784 (56.3)ECOG 0C1 at vaccination1351 (97)Baseline disease, (%)?AML179 (12.8)?ALL46 (3.3)?MDS158 (11.3)?B-cell NHL302 (21.6)?T cell NHL38 (2.7)?Plasma cell disorders236 (16.9)?CLL158 (11.3)?HD103 (7.4)?cMPN139 (10)?Aplastic anemia16 (1)?Non-malignant disorders18 (1.3)Type of cell therapy?Allo-HSCT369 Rabbit Polyclonal to PPP1R2 (26.5)?ASCT110 (8)?CAR-T21 (1.5)Status disease at vaccination, (%)?Complete remission824 (59.2)?Partial remission162 (11.6)?Active disease408 (29.2)Time last treatment to COVID-19 vaccine, months (range)?Untreated172 (12.3)?Active treatment509 (36.5)??6?month to 1 1?year92 (6.6)??1?year621 (44.5)Immunosuppressant drugs at vaccination, (%)300 (21.5)Corticosteroids at vaccination, (%)255 (18.6)Daratumumab, (%)46 (3.3)Venetoclax, (%)14 (1)Anti-CD-20 moAb, (%)241 (17.3)??1?year before 1st vaccine dose129 (9.3)BTK inhibitor therapy, (%)63 (4.5)TKI therapy, (%)40 (2.9)Lenalidomide maintenance, (%)120 (8.6)Ruxolitinib therapy, (%)14 (1)Blood count before vaccination (?109/mL)?Absolute neutrophile counts, median (range)3.1 (0C46.7)?Absolute lymphocyte counts, median (range)1.73 (0.14C262.1)?Absolute lymphocyte counts?SSR128129E TKIs, tyrosine kinase inhibitors; and SCoV2-R-A, SARS-CoV-2-reactive IgG antibodies Overall, the SCoV2-R-A detection rate at 3C6?weeks after the complete vaccination was 78.2%. Among those with quantitative antibody testing, the median SCoV2-R-A titer was 720.26 BAU/mL (range 0C58,600). We compared SCoV2-R-A titers at 3C6?weeks after full vaccination in patients with and without SARS-CoV-2 infection prior to vaccination (excluding 7 patients with breakthrough SARS-CoV-2 infection after SSR128129E the second vaccine dose and before the first serological testing) and found higher titers in those with (median 2550 BAU/mL, range 0C10,400) vs those without (median 493.6 BAU/mL, range 0C6338.6) (valuevaluevalue

SARS-CoV-2 infection17 (3.4%)10 (1.8%)00.018Symptomatic SARS-CoV-210 (2%)3 (0.5%)00.035Pneumonia4 (0.7%)000.05Hospital admission8 (1.5%)000.012Oxygen requirement7 (1.3%)000.006ICU admission2 (0.35%)000.2Death2 (0.35%)000.2 Open in.