Associations Between Chemotherapy-Induced Nausea in Patients With Genitourinary, Sarcoma or Melanoma Cancers and Changes in Gut Microbiome: Potential for Precision Therapeutics

Inclusion Criteria: * at least 20 years of age * last chemotherapy more than 3 years ago * scheduled to receive either moderate to highly emetogenic chemotherapy with or without targeted therapies including immunotherapies) or immunotherapies/targeted therapies alone that can lead to toxicity symptoms for example, nausea and fatigue. * Patients receiving chemotherapy and/or immunotherapy treatment at a Mayo Clinic infusion center or an infusion center outside of Mayo Clinic Exclusion Criteria: * concurrent radiation therapy * concurrent antibiotic treatment * concurrent oncolytic virus treatment