rifamycin


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Related to rifamycin: Rifaximin

rif·a·my·cin

 (rĭf′ə-mī′sĭn)
n.
Any of a group of antibiotics originally isolated from a strain of the soil microorganism Streptomyces mediterranei, used in the United States to treat tuberculosis and prevent meningococcal infections, and used in other countries to treat leprosy and other bacterial diseases.

[Alteration (perhaps influenced by a(mino-)) of earlier rifomycin : Rififi, alternate title of Du rififi chez les hommes, a 1955 French film noir that was a favorite of the researchers who first isolated rifamycins and who used film titles as nicknames for new compounds before formal publication of their results (from French slang rififi, scuffle, gang rumble, from reduplication of rif, fire, gunfire, combat, from Italian slang ruffo, fire, from dialectal Italian ruffo, red-headed, from Latin rūfus, reddish, red-headed; see reudh in Indo-European roots) + -mycin.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

rifamycin

(ˌriːfəˈmaɪsɪn)
n
(Medicine) an antibiotic which can be synthesized artificially or naturally and is used in the treatment of infections such as tuberculosis and leprosy
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Translations

rifamycin

n rifamicina
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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References in periodicals archive ?
Rifampicin is a hydrazone of a rifamycin B derivative with N-amino-N'-methyl piperazine approved by the Food and Drug Administration for treatment of the disease since 1971.
Rifamycin SV is a well-known semisynthetic antituberculosis agent which has been used widely in various surgical procedures owing to its bactericidal effects against wide spectrum of Gram-negative and Gram-positive microorganisms with a tendency to Staphylococcus aureus.
Teeth assigned to Group 1 received iodoform paste as filling material (iodoform + camphorated parachlorophenol + ointment comprising 5.0 mg prednisolone acetate and 1.5 mg rifamycin); those allocated to Group 2 received Calen[R]/ZO paste; S.S.White Artigos Dentarios Ltda., Rio de Janeiro, Brazil) as filling material.
United States-based Aries Pharmaceuticals has received approval from the US Food and Drug Administration (FDA) for its Aemcolo (rifamycin) 194mg delayed-release tablets, a new minimally-absorbed antibiotic that is delivered to the colon, intended for the treatment of adult patients with Travelers' Diarrhoea caused by non-invasive strains of Escherichia coli, it was reported yesterday.
Public health agency the US Food and Drug Administration reported on Friday that it has approved Aemcolo (rifamycin) for the treatment of adult patients with travellers diarrhoea under its Qualified Infectious Disease Product (QIDP) designation.
While the analyst is "enthused" by the agreement, particularly since Actavis was the only entity to have received tentative approval of a generic rifaximin product, he notes that the competitive risks to Xifaxan "are not all in the rear view mirror quite yet." Other factors still remain to be clarified, including the status of the new drug application for Cosmo Pharmaceuticals' Rifamycin, which has an approval decision date of November 16, the analyst adds.
Rifapentine is a rifamycin compound; like rifampin, it induces metabolism of many medications.
Rifaximin is a new non-absorbable oral antibiotic derived from rifamycin. It has a broad spectrum of activity against Gram-positive, Gram-negative aerobic and anaerobic enterobacteria.
Rifabutin, a derivative of rifamycin, has a very low rate of resistance and is chemically stable over a wide pH range, and its antibacterial activity is not affected by the acidic environment of the stomach [40, 42, 57, 58].