Antiparasitic activity of nine pyrazole derivatives against Trichomonas vaginalis, Entamoeba invadens and Plasmodium berghei. 1988

J A Escario, and A M Igea, and M Contreras, and A R Martinez-Fernandez, and R Claramunt, and C Lopez
Department of Parasitology, Faculty of Pharmacy, Complutense University, Madrid, Spain.

Nine nitropyrazole derivatives were prepared and tested against Trichomonas vaginalis in vitro and in vivo, Entamoeba invadens in vitro and Plasmodium berghei in vivo. Three of the compounds, 4-4-nitropyrazole, 1-methyl-4-nitropyrazole and 4,4'-dinitro-1,1'-methylenedipyrazole, have an activity similar to that of metronidazole (used as the reference compound) against T. vaginalis and E. invadens after 48 hours of incubation. All the compounds tested were inactive against P. berghei.

UI MeSH Term Description Entries
D008288 Malaria A protozoan disease caused in humans by four species of the PLASMODIUM genus: PLASMODIUM FALCIPARUM; PLASMODIUM VIVAX; PLASMODIUM OVALE; and PLASMODIUM MALARIAE; and transmitted by the bite of an infected female mosquito of the genus ANOPHELES. Malaria is endemic in parts of Asia, Africa, Central and South America, Oceania, and certain Caribbean islands. It is characterized by extreme exhaustion associated with paroxysms of high FEVER; SWEATING; shaking CHILLS; and ANEMIA. Malaria in ANIMALS is caused by other species of plasmodia. Marsh Fever,Plasmodium Infections,Remittent Fever,Infections, Plasmodium,Paludism,Fever, Marsh,Fever, Remittent,Infection, Plasmodium,Plasmodium Infection
D008795 Metronidazole A nitroimidazole used to treat AMEBIASIS; VAGINITIS; TRICHOMONAS INFECTIONS; GIARDIASIS; ANAEROBIC BACTERIA; and TREPONEMAL INFECTIONS. 2-Methyl-5-nitroimidazole-1-ethanol,Bayer 5360,Clont,Danizol,Flagyl,Gineflavir,Metric,MetroGel,Metrodzhil,Metrogyl,Metronidazole Hydrochloride,Metronidazole Monohydrochloride,Metronidazole Phosphate,Metronidazole Phosphoester,Satric,Trichazol,Trichopol,Trivazol,Vagilen,2 Methyl 5 nitroimidazole 1 ethanol
D010962 Plasmodium berghei A protozoan parasite of rodents transmitted by the mosquito Anopheles dureni. Plasmodium bergheus,berghei, Plasmodium
D011720 Pyrazoles Azoles of two nitrogens at the 1,2 positions, next to each other, in contrast with IMIDAZOLES in which they are at the 1,3 positions.
D002738 Chloroquine The prototypical antimalarial agent with a mechanism that is not well understood. It has also been used to treat rheumatoid arthritis, systemic lupus erythematosus, and in the systemic therapy of amebic liver abscesses. Aralen,Arechine,Arequin,Chingamin,Chlorochin,Chloroquine Sulfate,Chloroquine Sulphate,Khingamin,Nivaquine,Sulfate, Chloroquine,Sulphate, Chloroquine
D004747 Entamoeba A genus of ameboid protozoa characterized by the presence of beaded chromatin on the inner surface of the nuclear membrane. Its organisms are parasitic in invertebrates and vertebrates, including humans. Entamoebas
D005260 Female Females
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
D014246 Trichomonas vaginalis A species of TRICHOMONAS that produces a refractory vaginal discharge in females, as well as bladder and urethral infections in males. Trichomonas vaginali,vaginali, Trichomonas
D014247 Trichomonas Vaginitis Inflammation of the vagina, marked by a purulent discharge. This disease is caused by the protozoan TRICHOMONAS VAGINALIS. Trichomoniasis, Human,Human Trichomoniases,Human Trichomoniasis,Trichomonas Vaginitides,Trichomoniases, Human,Vaginitides, Trichomonas,Vaginitis, Trichomonas

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