DBV Technologies SA patch therapy for peanut allergy Viaskin Peanut missed the primary endpoint in its Phase III PETITES study, sending the company's share price down on NASDAQ by 46% to $25.95 on 23 Oct.
While the top-line results showed a significant response with a favorable tolerability profile, with 35.3% of patients responding to Viaskin Peanut 250 µg after 12 months of treatment as compared with 13.6% of placebo patients (a 21.7% difference in response rates; p=0.00001; 95% CI = 12.4% - 29