Study Evaluating the Effects of IMA-638 on Allergen-Induced Airway Responses in Subjects With Mild Atopic Asthma

Allergen Challenge

Primary purpose of the protocol is to determine if IMA-638 prevents a mild asthma attack by a subject with mild asthma inhaling an allergen.

Inclusion Criteria:

Inclusion Criteria:

• generally healthy, men and women with mild allergic asthma, aged 18 to 60 years
• only asthma med is short-acting bronchodilator used not more than twice weekly
• FEV1 greater than 70% predicted and a demonstrated baseline late response to allergen induction

Exclusion Criteria: