Safety, Tolerability and Pharmacokinetics of Single Rising Doses of YF476, a Gastrin Antagonist, in Healthy Men

"Two groups of six subjects received single rising oral doses of YF476 capsules or matching placebo. Each subject received 2 doses of YF476 and 1 dose of placebo. 4 subjects received active and 2 placebo at each dose level, as follows:~Group A YF476 0.5, 25 and 100mg by mouth Group B YF476 5.0, 50 and 100mg by mouth~Groups A \& B were dosed alternately, at weekly intervals"