- Pharmacological characterization of ZD6021: a novel, orally active antagonist of the tachykinin receptors. Rumsey, W.L., Aharony, D., Bialecki, R.A., Abbott, B.M., Barthlow, H.G., Caccese, R., Ghanekar, S., Lengel, D., McCarthy, M., Wenrich, B., Undem, B., Ohnmacht, C., Shenvi, A., Albert, J.S., Brown, F., Bernstein, P.R., Russell, K. J. Pharmacol. Exp. Ther. (2001)