10.1371/journal.pone.0156999.g005 Martin Koppitz Martin Koppitz Charlotte Eschenburg Charlotte Eschenburg Emilia Salzmann Emilia Salzmann Martin Rosewich Martin Rosewich Ralf Schubert Ralf Schubert Stefan Zielen Stefan Zielen Cytokine release after macrophage activation test. Public Library of Science 2016 saline treatment RV 3 weeks endpoint sputum weight patients inhaled Tyloxapol Tyloxapol treatment FVC AE Chronic Obstructive Pulmonary Disease IL CI FEV lung function parameters COPD Randomized Controlled Trial Objective Mucoactive drugs NCT 2016-06-16 05:56:16 Figure https://plos.figshare.com/articles/figure/Cytokine_release_after_macrophage_activation_test_/3449273 <p>(A-D) Cytokine release, after 24-hr LPS-stimulation of whole blood cells incubated with different concentrations of Tyloxapol in <i>vitro</i> as measured by the CBA. * p < 0.05; ** p < 0.01; *** p < 0.001.</p>