A Study to Assess the Biological Potency of Peanut Allergen Extract in Adolescent and Adult Peanut Allergic Subjects

Main Inclusion Criteria: * Male or female subjects aged between 12-50 years * Physician-diagnosed peanut allergy * Subject currently following a strict peanut-free diet * Documented history of positive test to peanut-specific IgE (ImmunoCAP system) \>0.7 kU/L * Positive peanut SPT with a largest wheal diameter ≥ 8 mm Main Exclusion Criteria: * Uncontrolled asthma * Peanut allergen immunotherapy whatever the route, either ongoing or previously started and having lasted more than one month (\>30 days) * Topical use of steroids within the past 14 days prior to the Screening SPT * Inability to discontinue short-acting antihistamines * Atopic dermatitis, eczema or urticaria on the areas to be tested