• Franziska Jahn, Bernhard Wörmann, Juliane Brandt, Annette Freidank, Petra Feyer, and Karin Jordan.
• Department of Hematology and Oncology, University of Halle-Wittenberg, Halle (Saale); Charité Center for ambulant health, Department of Hematology, Oncology and Tumor Immunology, Charité University Medicine, Campus Virchow, Berlin; Department of Hematology, Oncology, and Rheumatology, Heidelberg University Hospital; Pharmacy and Patient Advice Center, Universitätsmedizin Marburg-Campus Fulda; Berliner Krebsgesellschaft e. V., Berlin; Department of Hematology, Oncology and Palliative Care, Klinikum Ernst von Bergmann, Potsdam.
• Dtsch Arztebl Int. 2022 May 27; 119 (21): 382392382-392.

BackgroundNausea and vomiting are common and distressing side effects of tumor therapy. Despite prophylaxis, 40-50% of patients suffer from nausea, and 20-30% from vomiting. Antiemetic prophylaxis and treatment are therefore of great importance for improving patients' quality of life and preventing sequelae such as tumor cachexia.MethodsThe recommendations presented here are based on international and national guidelines, updated with publications retrieved by a selective search in the PubMed and Cochrane Library databases, with special attention to randomized controlled trials and meta-analyses that have appeared in the past 5 years since the German clinical practice guideline on supportive therapy was published.ResultsRisk-adjusted prevention and treatment is based on the identification of treatment-related and patient-specific risk factors, including female sex and younger age. Parenteral tumor therapy is divided into four risk classes (minimal, low, moderate, high), and oral tumor therapy into two (minimal/low, moderate/high). In radiotherapy, the radiation field is of decisive importance. The antiemetic drugs most commonly used are 5-HT3-RA, NK1-RA, and dexamethasone; olanzapine has proven beneficial as an add-on or rescue drug. The use of steroids in patients being treated with drug combinations including checkpoint inhibitors is discussed controversially because of the potentially reduced therapeutic response. Benzodiazepines, dimenhydrinate, and cannabinoids can be used as backup antiemetics. Acupuncture/acupressure, ginger, and progressive muscle relaxation are pos - sible alternative methods.ConclusionDetailed, effective, risk profile-adapted algorithms for the prevention and treatment of nausea and vomiting are now available for patients undergoing classic chemotherapy regimens or combined radiotherapy and chemotherapy. Optimal symptom control for patients undergoing oral tumor therapy over multiple days in the outpatient setting remains a challenge.

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