Formal analysis: J.P., A.W., H.H. compared with the highest levels measured during and after two Allopregnanolone doses of vaccination. Individuals sera were collected after the second dose to evaluate anti-SARS-CoV-2 antibodies titers. Results: We observed a significant fCP elevation in 31% of individuals after any dose. Vedolizumab was identified as the only agent associated with an fCP increase (OR 12.4, 95% CI [1.6; 120.2], = 0.0171). Gastrointestinal adverse events were reported in 9.5% of all subjects and in 75% of cases accompanied by an fCP increase. Anti-SARS-CoV-2 antibodies connected only weakly with the fCP increase after the 1st dose (= 0.04). Conclusions: Our findings support possible collinearity in pathways of SARS-CoV-2 antigen manifestation and the pathogenesis of IBD. = 0.13, df = 39) between baseline fCP Allopregnanolone levels and highest ideals (median value 217 g/g, range 0C4850 g/g) ever measured within the following six weeks after the 1st vaccine dose. In 24 individuals (57.1%) a post-baseline fCP Allopregnanolone after the 1st and prior to the second dose was available (median time of sampling from your 1st dose26.5 days, range 3C28 days). In those individuals, median fCP levels (median baseline fCP 69 g/g; range 0C4727 g/g) remained stable after the 1st vaccine dose (median fCP 54.5 g/g; range 0C2324 g/g; = 0.61, df = 23) (Number 1). However, in five (5/24, 20.8%) individuals the pre-defined criterion of an increase in fCP levels was fulfilled (median baseline fCP 332 g/g, range 41C993 g/g; median post first dose fCP 584 g/g, range 435C1699 g/g). Open in a separate window Number 1 Difference in fecal calprotectin levels before and after mRNA-1273 vaccination. (a) The boxplots compare median ideals of baseline fecal calprotectin of 24 individuals with the values after the 1st vaccination dose. No significant difference could be observed. (b) The boxplots compare median ideals of baseline fecal calprotectin of 29 individuals with the values after the second vaccination dose. In both panels, (a,b), baseline is definitely defined as a time point before the 1st dose. BLbaseline, fCPfecal calprotectin, nsnot significant, ** 0.01. In 29 (69.0%) individuals, a post-baseline fCP after the second Rabbit Polyclonal to CA14 dose was available (median time from the second dosefour days, range 1C11 days). The median fCP level increased significantly from 80 g/g at baseline (range 0C3344 g/g) to 174 g/g (range 0C4850 g/g; = 0.0084, df = 28) (Number 1). Eight individuals (8/29, 27.6%) achieved the pre-specified criterion of an fCP increase (median baseline fCP 277.5 g/g, array 49C1522 g/g; median post second dose fCP1744/g/g; range 259C3179 g/g). Concomitant treatment with vedolizumab was associated with an increase Allopregnanolone in fCP changes after the second vaccine dose (OR 12.4, 95% CI [1.6; 120.2], = 0.0171, df = 40). Inside a univariate analysis, none of the additional parameters (age, diagnosis, location, cigarette smoking, baseline CRP, baseline albumin, sex) was associated with an fCP increase. For five individuals who experienced a pre-specified fCP switch either after the 1st or second dose, follow-up stool samples were collected within a fortnight of the second inoculation. The fCP ideals measured showed a tendency towards normalizationa decrease of 43.0 to 97.7% compared to the highest fCP observed post-vaccination. The raises in fCP levels were not associated with IBD-related AEs (for the changes after the 1st dose= 0.06, df = 41; for the changes after the second dose= 0.53, df = 41). Furthermore, there was no association between the IBD-related AEs and any biological or immunosuppressive medication ( 0.05 for those medication types). 3.3. Exploratory Results At baseline, serum CRP from 38 (90.5%) individuals could be acquired (median CRP0.15 mg/dL; range 0.03C1.54 mg/dL;.