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A 2007 study demonstrated Olanzapine's successful potential for this use, achieving a complete response in the acute prevention of nausea and vomiting in 100% of patients treated with moderately and highly emetogenic chemotherapy, when used in combination with palonosetron and dexamethasone. [14]
5-HT 3 antagonists are most effective in the prevention and treatment of chemotherapy-induced nausea and vomiting (CINV), especially that caused by highly emetogenic drugs such as cisplatin; when used for this purpose, they may be given alone or, more frequently, with a glucocorticoid, usually dexamethasone.
Chemotherapy is a major cause of emesis, and often can cause severe and frequent emetic responses. This is because chemotherapy agents circulating in the blood activate the CTZ in such a way as to cause emesis. [13] Patients receiving chemotherapy are often prescribed antiemetic medications.
Anticipatory nausea and vomiting is experienced by approximately 20–30% of people undergoing chemotherapy. [20] Chemotherapy-induced nausea and vomiting resulting from treatment with highly emetogenic cytotoxic drugs can be prevented or effectively treated in 70 to 80% of affected people. [4] [16]
Up to 20% of people receiving highly emetogenic agents in this era postponed, or even refused potentially curative treatments. [99] Chemotherapy-induced nausea and vomiting (CINV) are common with many treatments and some forms of cancer.
CJ-11974, also called ezlopitant, was a close analog of CP-96345 that had an isopropyl group on the methoxybenzyl ring. It was developed up to phase II clinical trials for chemotherapy-induced emesis before development was discontinued. CP-122721 was a CP-99994 analog that had a trifluoromethoxy group in the o-methoxybenzyl ring.
This is a list of chemotherapeutic agents, also known as cytotoxic agents or cytostatic drugs, that are known to be of use in chemotherapy for cancer. This list is organized by type of agent, although the subsections are not necessarily definitive and are subject to revision.
Emetogenic drugs commonly used in anaesthesia include nitrous oxide, physostigmine, and opioids. The intravenous anaesthetic propofol is currently the least emetogenic general anaesthetic. These medications are thought to stimulate the chemoreceptor trigger zone.