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Discover 8,032 clinical trials near Arizona. Find research studies in your area.
Showing 3021-3040 of 8,032 trials
NCT04489212
This clinical trial evaluates the clinical outcome of mucosal sparing adjuvant radiotherapy after surgical exploration in HPV+ head and neck cancer of unknown primaries. The purpose of this research is to assess if radiation treatment to the neck only for tumors with unclear original locations after careful surgical evaluation will lead to historical rates of disease control while reducing side effects and toxicity from treatment.
NCT04516746
The aim of the study is to assess the safety, efficacy, and immunogenicity of AZD1222 for the prevention of COVID-19.