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A therapeutic vaccine can boost antibodies and T cells, helping them infiltrate tumors and fight off human papillomavirus (HPV)-related head and neck cancer. Researchers from the Abramson Cancer Center of the University of Pennsylvania tested the immunotherapy approach in two groups of patients with advanced head and neck squamous cell carcinoma (HNSCCa) and found 86 percent showed elevated T cell activity. It is also the first study to show that the vaccine can help immune cells infiltrate tumors.

A tumor-specific vaccine combined with an immune checkpoint inhibitor shrank tumors in one third of patients with incurable cancer related to the human papilloma virus (HPV) in a phase II clinical trial led by investigators at The University of Texas MD Anderson Cancer Center and reported in JAMA Oncology.

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