The Role of Clinical Trials in Cancer Treatment There are many different aspects of clinical trials that need to be considered when making the decision to participate in one. One is, Radiotherapy for cancer treatment uses high-energy radiation to kill cancer cells and shrink rink tumours. https://pathakradha000.wixsite.com/hcgoncology/post/the-role-of-clinical-trials-in-cancer-treatment-what-you-need-to-know