Citicoline Brain Injury Treatment (COBRIT) trial of the effects of 90 days of citicoline on functional outcome in patients with complicated mild, moderate and severe traumatic brain injury. Citicoline (also known as CDP-Choline) is a naturally occurring endogenous compound. Citicoline may have neuroprotective effects and may potentiate neuro-recovery which has led to the evaluation of it as treatment for both stroke and TBI in animal models and in human clinical trials.