Cue Biopharma, Inc....announced today that the U.S. Food and Drug Administration (FDA) has granted Fast Track designation to CUE-101, its lead clinical drug candidate from the CUE-100 series of interleukin 2 (IL-2)-based biologics, for the treatment of patients with human papilloma virus (HPV16+) recurrent/metastatic head and neck squamous cell carcinoma (R/M HNSCC) as a monotherapy and in combination with pembrolizumab (KEYTRUDA®).