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Substituted benzamides. 1. Potential nondopaminergic antagonists of chemotherapy-induced nausea and emesis. 1988

I Monković, and D Willner, and M A Adam, and M Brown, and R R Crenshaw, and C E Fuller, and P F Juby, and G M Luke, and J A Matiskella, and T A Montzka
Bristol-Myers Company, Pharmaceutical Research and Development Division, Syracuse, New York 13221.

A series of new substituted benzamides has been synthesized and evaluated for dopamine antagonist activity and for antagonism of cisplatin-induced emesis in the dog and in the ferret. It was found that modification of the 2-methoxy substituent of metoclopramide was detrimental to dopaminergic D2 antagonism but not necessarily to antagonism of cisplatin-induced emesis. A number of analogues having a beta-keto, beta-hydroxy, beta-methoxy, beta-imino, or beta-unsaturated alkyloxy substituent instead of methoxy have shown equal or superior protection from emesis to that of metoclopramide. At the same time these compounds were found to be free of dopaminergic D2 antagonism in both in vitro ([3H]spiperone binding) and in vivo tests (rat catalepsy, antagonism of apomorphine-induced stereotypy in the rat, and apomorphine-induced emesis in the dog).

UI MeSH Term Description Entries
D008787 Metoclopramide A dopamine D2 antagonist that is used as an antiemetic. 4-Amino-5-chloro-N-(2-(diethylamino)ethyl)-2-methoxybenzamide,Cerucal,Maxolon,Metaclopramide,Metoclopramide Dihydrochloride,Metoclopramide Hydrochloride,Metoclopramide Monohydrochloride,Metoclopramide Monohydrochloride, Monohydrate,Primperan,Reglan,Rimetin,Dihydrochloride, Metoclopramide,Hydrochloride, Metoclopramide,Monohydrochloride, Metoclopramide
D009325 Nausea An unpleasant sensation in the stomach usually accompanied by the urge to vomit. Common causes are early pregnancy, sea and motion sickness, emotional stress, intense pain, food poisoning, and various enteroviruses.
D002375 Catalepsy A condition characterized by inactivity, decreased responsiveness to stimuli, and a tendency to maintain an immobile posture. The limbs tend to remain in whatever position they are placed (waxy flexibility). Catalepsy may be associated with PSYCHOTIC DISORDERS (e.g., SCHIZOPHRENIA, CATATONIC), nervous system drug toxicity, and other conditions. Cerea Flexibilitas,Flexibility, Waxy,Anochlesia,Anochlesias,Catalepsies,Flexibilitas, Cerea,Flexibilities, Waxy,Waxy Flexibilities,Waxy Flexibility
D002621 Chemistry A basic science concerned with the composition, structure, and properties of matter; and the reactions that occur between substances and the associated energy exchange.
D002945 Cisplatin An inorganic and water-soluble platinum complex. After undergoing hydrolysis, it reacts with DNA to produce both intra and interstrand crosslinks. These crosslinks appear to impair replication and transcription of DNA. The cytotoxicity of cisplatin correlates with cellular arrest in the G2 phase of the cell cycle. Platinum Diamminodichloride,cis-Diamminedichloroplatinum(II),cis-Dichlorodiammineplatinum(II),Biocisplatinum,Dichlorodiammineplatinum,NSC-119875,Platidiam,Platino,Platinol,cis-Diamminedichloroplatinum,cis-Platinum,Diamminodichloride, Platinum,cis Diamminedichloroplatinum,cis Platinum
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D005289 Ferrets Semidomesticated variety of European polecat much used for hunting RODENTS and/or RABBITS and as a laboratory animal. It is in the subfamily Mustelinae, family MUSTELIDAE. Domestic Polecat,Domestic Polecats,European Polecat,European Polecats,Ferret,Mustela putorius,Mustela putorius furo,Polecat, Domestic,Polecat, European,Polecats, Domestic,Polecats, European
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000932 Antiemetics Drugs used to prevent NAUSEA or VOMITING. Anti-emetic,Antiemetic,Antiemetic Agent,Antiemetic Drug,Anti-Emetic Effect,Anti-Emetic Effects,Anti-emetics,Antiemetic Agents,Antiemetic Drugs,Antiemetic Effect,Antiemetic Effects,Agent, Antiemetic,Agents, Antiemetic,Anti Emetic Effect,Anti Emetic Effects,Anti emetic,Anti emetics,Drug, Antiemetic,Drugs, Antiemetic,Effect, Anti-Emetic,Effect, Antiemetic,Effects, Anti-Emetic,Effects, Antiemetic
D001549 Benzamides BENZOIC ACID amides.

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