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Immune monitoring to characterize T-cell responses of kidney transplant patients during co-stimulation blockade by belatacept

Here, we postulate that the balance between the effect of belatacept on regulatory T-cell function and the relative insensitivity of memory T-cells for belatacept leads to donor-specific alloreactivity. We plan to study the peripheral CD28-dependent…

A new dosing strategy of infliximab versus standard dosing in patients with severe sarcoidosis: optimization of treatment

Objective: To determine whether serum concentration guided dosing of infliximab is not inferior to standard dosing based on bodyweight in patients with severe sarcoidosis in terms of FVC change at 26 weeks.

The antibody response to pneumococcal vaccination in patients
with inflammatory bowel disease patients treated with immunosuppressive agents

Primary objective: to determine the vaccine efficacy of PCV13 plus PPV23 (2-month series) in cases, i.e. IBD patients treated with immunosuppressive agents, vs controls. Secondary objectives: - To assess if the use of a TNF-alpha inhibitor affects…

Prospective monitoring of immune response following COVID-19 vaccination in children with cancer

PRIMARY OBJECTIVE: -To assess the antibody response after mRNA (Pfizer, Moderna) SARS-CoV-2 vaccination in children with cancerSECONDARY OBJECTIVES:To assess in children with cancer after SARS-CoV 2 vaccination:- durability of the antibody response…

Prospective monitoring of antibody response following COVID-19 vaccination in patients with Down syndrome

To assess the antibody response after SARS-CoV-2 vaccination in people >=16 years and children with Down Syndrome. Part 2To assess the antibody response after a third SARS-CoV-2 vaccination in adults and children with Down Syndrome and to…