response to xenobiotic stimulus response to obinutuzumab AI agent obinutuzumab response Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of treatment with obinutuzumab, an anti-CD20 monoclonal antibody used to treat B-cell malignancies and other B-cell–mediated disorders. Gazyva response https://github.com/EBISPOT/efo/issues/2607