Phase 1 Clinical Trial of FluBHPVE6E7 Immunotherapy for HPV16-Associated Oropharyngeal Cancer

Inclusion criteria: * Female or male patients, 18-65 years of age, with newly diagnosed, histologically confirmed p16- and HPV16-positive oropharyngeal squamous cell carcinoma with locoregional advanced disease including the following stages: * T2N2-3, M0 * T3N0-3, M0 * T4N0-3, M0 * Primary tumour accessible for biopsy and intratumoural administration * No evidence of distant metastatic disease (HPV16-positive secondary tumours are permissible) * Karnofsky 100 - 70 (ECOG 0 or 1) * Life expectancy of at least 6 months * Normal screening ECG or screening ECG with no clinically significant findings requiring immediate treatment, as judged by the investigator * Women of childbearing potential: Negative serum pregnancy test at screening * Agree to use a reliable form of contraception until the end of the study treatment period. * Provides written informed consent Exclusion criteria: * Distant metastases * Secondary, not HPV16-associated, malignancy * History of malignancy other than the target malignancy to be investigated in this trial unless a complete remission was achieved at least 2 years prior to study entry AND no additional therapy is required during the study period * Clinically significant out of range haematological, renal or hepatic laboratory tests which cannot be explained by the underlying disease * Any vaccination within 1 week before day 0 * Active significant viral infections including influenza, CMV, and EBV within 4 weeks before receiving study treatment * Co-infection with hepatitis B, hepatitis C, or HIV or having other immune deficient states * Influenza-like illness (ILI) within 4 weeks before day 0 * Known hypersensitivity to Tamiflu or any of its components * Pregnancy, breastfeeding * Serious, concomitant disorder, including active systemic infection requiring treatment * Proven or suspected systemic lupus erythematosus, thyroiditis, inflammatory bowel disease including Crohn's disease or multiple sclerosis * Immunosuppression including any concurrent condition requiring the continued use of systemic steroids, or the use of immunosuppressive agents, disease modifying doses of anti-rheumatic drugs (e.g., azathioprine, cyclophosphamide, cyclosporine, methotrexate), and biologic disease modifying drugs such as TNF-α inhibitors (e.g. infliximab, adalimumab or etanercept). Corticosteroids must be discontinued \> 4 weeks prior to day 0 of study medication administration. Eye drops or ear drops containing corticosteroids are permissible. * Prior major surgery within 4 weeks before day 0 * Any current significant cardiac, hepatic or renal disease or history of clinically significant, medically unstable disease (e.g. chronic renal failure; angina, myocardial ischemia or infarction, congestive heart failure, cardiomyopathy, or clinically significant arrhythmias) * Participation in another experimental protocol/use of investigational drug within two months before day 0 * Any condition that, in the judgment of the investigator, might prevent safe participation in the study or interfere with study objectives * Unability to comply with the protocol requirements