Biotechnology Positive top-line data for a pivotal, single-arm, open-label trial of PD-1 inhibitor Libtayo (cemiplimab) in patients with advanced basal cell carcinoma (BCC) who had progressed on or were intolerant to prior hedgehog pathway inhibitor (HHI) therapy were announced today, marking the second non-melanoma skin cancer for which the drug has demonstrated first-in-class data. 5 May 2020