Antiinflammatory effects of the phosphodiesterase-4 inhibitor cilomilast (Ariflo) in chronic obstructive pulmonary disease. by Gamble, E, Grootendorst, D, Brightling, C, Troy, S, Qiu, Y, Zhu, J, Parker, D, Matin, D, Majumdar, S, Vignola, A, Kroegel, C, Morell, F, Hansel, T, Rennard, S, Compton, C, Amit, O, Tat, T, Edelson, J, Pavord, I, Rabe, K, Barnes, N, Jeffery, P