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The effect of helium on the immune system ex vivo

The aim of this study is to evaluate whether a 30-minute episode of helium breathing in humans affects the ability of the immune system to respond to ex vivo stimulation in whole blood taken from healthy volunteers.

Apixaban versus antiplatelet drugs or no antithrombotic drugs after anticoagulation-associated intracerebral haemorrhage in patients with atrial fibrillation. A randomised phase II clinical trial.

Primary Objective: to obtain reliable estimates of the rates of vascular death and non-fatal stroke in patients with atrial fibrillation and a recent anticoagulation-associated ICH who are treated with apixaban versus those who are treated with APDs…

A Randomized, Double-blind, Placebo-controlled Phase 2a Study to Evaluate a Range of
Dose Levels and Vaccination Intervals of Ad26.COV2.S in Healthy Adults Aged 18 to 55
Years Inclusive and Adults Aged 65 Years and Older and to Evaluate 2 Dose Levels of Ad26.COV2.S in Healthy Adolescents Aged 12 to 17 Years Inclusive

The primary purpose of this study is to assess humoral immune responses of 3 dose levels of Ad26.COV2.S administered intramuscularly (IM) as a 2-dose schedule (56 days apart); Ad26.COV2.S administered IM as a single vaccination; safety and…