- No acute antimigraine efficacy of CP-122,288, a highly potent inhibitor of neurogenic inflammation: results of two randomized, double-blind, placebo-controlled clinical trials. Roon, K.I., Olesen, J., Diener, H.C., Ellis, P., Hettiarachchi, J., Poole, P.H., Christianssen, I., Kleinermans, D., Kok, J.G., Ferrari, M.D. Ann. Neurol. (2000)