Overview Study Evaluating IMA-638 in Asthma Status: Completed Trial end date: 2007-04-01 Target enrollment: Participant gender: Summary The purpose of this study is to evaluate the safety of, and blood drug levels for, single, ascending doses of IMA-638 in mild to moderate asthma subjects. Phase: Phase 1 Details Lead Sponsor: Wyeth is now a wholly owned subsidiary of Pfizer