EACH: Evaluating Avelumab in Combination With Cetuximab in Head and Neck Cancer

Summary

Participation Requirements

Description

This is a randomised phase II study comparing the efficacy of avelumab alone with avelumab + cetuximab combination in patients with platinum-resistant advanced or metastatic head & neck cancer. The randomised phase II part of the trial will be preceded by a safety run-in.The objective of the safety ...

This is a randomised phase II study comparing the efficacy of avelumab alone with avelumab + cetuximab combination in patients with platinum-resistant advanced or metastatic head & neck cancer. The randomised phase II part of the trial will be preceded by a safety run-in.The objective of the safety run in is to make sure the combination of cetuximab and avelumab at the doses selected for the study are safe and tolerable. In phase II, the main question the investigator wants to answer is whether or not giving avelumab and cetuximab together is better than giving avelumab alone to treat patients with head and neck cancer that have had previous treatment with cisplatin and whose cancer has come back or spread to other parts of the body. The investigator will compare the number of patients in each group whose cancer has not gotten any worse 6 months after joining the study. The phase II part of the trial will recruit patients with head & neck squamous cell carcinoma only. However, during the safety run-in, patients with other types of squamous cell carcinomas will also be eligible. Target accrual: Safety run-in: up to 16 patients with squamous cell carcinomas; Phase II: 114 patients with head & neck squamous cell cancer The safety run-in will recruit patients in cohorts of 3 at a time and all patients will be treated with the combination. The safety run in is a dose de-escalation design. That is, patients will be given the dose that is planed for use in phase II and if this proves not tolerable, the dose of cetuximab will be de-escalated and another cohort of patients will be recruited. The investigator will conclude the combination is safe and tolerable if less than 33% of patients who are treated experience side effects that lead to a dose reduction. The purpose is to ensure the safety of the combination prior to starting phase II, as these drugs have not been given together before. However, there is evidence from previous studies that these types of drugs can be combined safely. The trial aims to complete the safety run-in within 5 months and the phase II study within 24 months. The entire duration of recruitment is expected to be 29 months.

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