A Double Blind, Placebo Controlled, Parallel Group Study to Assess the Effect of 750 mg SB-240563 (Anti-IL-5) on Clinical Features, Cutaneous Late-Phase Reactions and Bronchial, Nasal, Skin, Bone Marrow and Blood Eosinophils in Male and Female Patients with Atopic Asthma, Trial ID 240563%2F036 | GSK