Background: Dupilumab is the first biologic available to treat atopic dermatitis (AD). Its effectiveness and safety were demonstrated in clinical trials. Objective:We sought to assess the effectiveness and safety of dupilumab in adults with AD in a real-life French multicenter retrospective cohort.Methods: Patients were included between March 2017 and April 2018. Efficacy outcomes were collected both at baseline and three months (M3), when available, including SCORAD (Scoring Atopic Dermatitis) and EASI (Eczema Area and Severity Index) scores. Adverse events (AE) were recorded at the follow-up. Results:We included 241 patients. The median follow-up time was 3.8±3.7 months. SCORAD75 and EASI75 were achieved in 27/163 (16.6%) and 40/82 (48.8%) patients, respectively. The median SCORAD and EASI at M3 were significantly lower compared with baseline (25±21 vs 56±27.4, p<10 -9 and 4.1±6.8 vs 17.9±15.4, p<10 -9 , respectively).Conjunctivitis was reported in 84/241 (38.2%) patients. The proportion of eosinophilia (>500/mm 3 ) during follow-up (57%) was higher than at baseline (33.7%) (n=172, p<10 -6 ).Dupilumab was stopped in 42 cases, 27 of which were due to an AE. Limitations:No control group, missing data. Conclusion:This real-life study demonstrated results similar to clinical trials, with regard to dupilumab effectiveness, but revealed a higher frequency of conjunctivitis and eosinophilia.

Once-daily oral administration of BCX7353 at a dose of 125 mg or more resulted in a significantly lower rate of attacks of hereditary angioedema than placebo. Mild gastrointestinal symptoms were the principal side effect. (Funded by BioCryst Pharmaceuticals; APeX-1 ClinicalTrials.gov number, NCT02870972 .).

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Drug-induced acne is a specific subset of acne that usually has some specific features, namely a monomorphic pattern, an unusual location of the lesions beyond the seborrheic areas, an unusual age of onset, a resistance to conventional acne therapy and, of course, the notion of a recent drug introduction. Many drugs can be responsible for such a clinical pattern. Corticosteroids, neuropsychotherapeutic drugs, antituberculosis drugs, and immunomodulating molecules are the more classical drugs associated with induced acne. Recently, new drugs, mainly targeted therapy in the field of oncology, such as epidermal growth factor receptor inhibitors, have been associated with an increased frequency of this adverse effect. Disruption of the culprit drug is rarely mandatory in cases of drug-induced acne. Close cooperation between the dermatologist and medical staff in charge of the patient is an important challenge to achieve optimal management of the initial disease.