RecruitingClinical trialA Pilot and Feasibility Study of a Dietary Intervention With Low-protein Meals in Cancer Patients Receiving ImmunotherapiesThe main idea of this study is that a low protein diet may alter the environment surrounding the tumor, enhancing the body's immune response leading to greater anticancer effects of treatment. This study intends to use a low-protein diet as a tool to enhance the immune response generated by immune check point inhibitor treatments.