Assessment of human abuse potential of preladenant (a centrally-acting A2A antagonist) compared to phentermine and placebo in recreational stimulant users. (1st January 2015) - Schoedel, Kerri; Levy-Cooperman, Naama; Basseches, Peter; Butterfield, Kristin; Hewitt, David; Larson, Pat; Troyer, Mattew; Sellers, Edward M.; de Haes, Joanna Udo