The Effect of Glucagon Like Peptide (GLP)-1 in Psoriasis

Victoza® is supplied in pens for injection containing 18 mg of the GLP-1 agonist liraglutide in 3 mL sterile water with disodiumphosphate and propylenglycol, and phenol for conservation (pH 8.15). Commercial pens will be used and the information given in the packaging will be applicable. The initial daily dose will be 0.6 mg for one week, 1.2 mg the following week and then 1.8 mg for the remaining treatment period. The injection is administered once daily in the morning. The maximal plasma concentration is reached 8-12 hours after subcutaneous injection. The half-life in plasma is approximately 13 hours. The duration of effect is 24 hours.

The placebo pens contain saline and are administered in the same way and volume as (liraglutide) Victoza. The placebo pens are specially prepared for this study and will be used in the study only.