Evolution of antiemetic studies for radiation-induced nausea and vomiting within an outpatient palliative radiotherapy clinic.

Radiation-induced nausea and vomiting (RINV) is a common side effect of radiotherapy and can affect up to 50-80% of patients, potentially causing detrimental effects to physical health, clinical efficacy, and patient quality of life. Antiemetic drugs act on receptors involved in the emesis pathway to block the uptake of neurotransmitters and inhibit stimulation of vomiting centers in the brain to prevent and treat RINV. The most commonly prescribed antiemetics for RINV are 5-hydroxytryptamine receptor antagonists (5-HT3 RA). Guidelines describing the optimal management of RINV are produced by the Multinational Association for Supportive Care in Cancer, the European Society of Medical Oncology, the American Society of Clinical Oncology, and the National Comprehensive Cancer Network. This review will present findings from research on antiemetic management for RINV conducted at our center. A selective review of research conducted in a palliative outpatient radiotherapy clinic relating to antiemetic management for RINV was performed. Several studies investigating the efficacy of different routes of administration, new antiemetic drug types, and novel combinations of antiemetics have been tested at our clinic to elucidate which approach provides the best response. These include studies on the use of ondansetron rapidly dissolving film, palonosetron, and the addition of a neurokinin-1 receptor antagonist to traditional 5-HT3 RA regimens. These studies provide a framework for future research and could potentially inform changes to future guidelines to include the use of these novel regimens and techniques.

Citation

Erin McKenzie, Dominic Chan, Shima Parsafar, Yasmeen Razvi, Thomas McFarlane, Victoria Rico, Mark Pasetka, Carlo DeAngelis, Edward Chow. Evolution of antiemetic studies for radiation-induced nausea and vomiting within an outpatient palliative radiotherapy clinic. Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer. 2019 Sep;27(9):3245-3252

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PMID: 31119459

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