26. Ongoing systemic corticosteroid therapy at a daily dose higher than 15 mg prednisone or equivalent. Previous corticosteroid therapy must be stopped or reduced to the allowed dose 7 days before performing the screening CT scan (or PET CT/MRI as per RECIST 1.1) and again prior to the first study drug administration. If a patient is on chronic corticosteroid therapy, corticosteroids should be de escalated to the minimum allowed dose before the screening. Patients may continue to use topical or inhaled corticosteroids.