Fig. 1From: Safety and efficacy of C1-inhibitor in traumatic brain injury (CIAO@TBI): study protocol for a randomized, placebo-controlled, multi-center trialContact, complement, coagulation, and fibrinolytic systems and targets of C1-INH. Abbreviations: MAC, membrane attack complex; HMWK, high-molecular-weight kininogen; C1-INH, C1-inhibitor; t-PA, tissue plasminogen activator; MASPs, mannose-associated serine protease. Explanation: C1-INH is directed at all three pathways of the complement system, but has also an effect on the contact, fibrinolytic, and coagulation systemBack to article page