All patients recovered, the final patient left hospital after 3 months. Not ideal. The company went bankrupt and the outcome was better regulation in the UK and Germany; great wiki article here: https://en.wikipedia.org/wiki/Theralizumab including the relevant:

    Critics of animal testing have cited the case to argue that experiments on nonhuman animals, even in species closely related to humans, are not necessarily predictive of human responses, and cannot justify the harm inflicted on animals or the resultant risks to humans