rifamycin


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Related to rifamycin: Rifaximin

rifamycin

 [rif″ah-mi´sin]
any of a family of antibiotics biosynthesized by a strain of Streptomyces mediterranei, effective against a broad spectrum of bacteria. The five components are designated A, B, C, D, and E; rifamycins O, S, and SV are derivatives of the B component, and AG and X are derivatives of the O component. Used for the initial treatment and retreatment of pulmonary tuberculosis and for prevention of meningoccal infections in close contacts of patients with Neisseria meningitidis infections.

rifamycin

(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.
References in periodicals archive ?
In the present study, we aimed to investigate the effects of topical rifamycin SV irrigation on epidural fibrosis after laminectomy in a rat model.
The agency has approved Aemcolo (rifamycin), an antibacterial drug indicated for the treatment of adult patients with travellers diarrhoea caused by noninvasive strains of Escherichia coli (E.
Concerning patients with HIV infection, information about interactions between specific antimycobacterial agents, including rifamycins (e.g., rifampin, rifabutin, and rifapentine) and antiretroviral agents, is available in the U.S.
Rifaximin is a semisynthetic derivative of rifamycin for the treatment of intestinal bacterial infections.
Here, we present the results of preclinical PET imaging studies performed to assess the potential of [[sup.18]F]LCATD to image in vivo the effects of rifamycin SV and sodium fusidate on hepatic uptake and biliary excretion when coadministered via bolus injection.
DuPont, "Rifaximin: a nonabsorbable rifamycin antibiotic for use in nonsystemic gastrointestinal infections," Expert Review of Anti-infective Therapy, vol.
The antimicrobial activity of antibiotics (rifamycin, streptomycin, tetracycline, and nystatin) in addition to 100 and 200 [micro]g/ml of Cu[(N[O.sub.3]).sub.2] (NP precursors) was also examined comparatively as a conventional control for the antimicrobial assay [12].
Success with rifamycin combination therapy has also been reported [7, 9].
Rifamycins have been obtained from Streptomyces mediterranei, and five antibiotics which are termed as rifamycin A, B, C, D, and E have been produced from them.
"Rifamycin was noninferior to ciprofloxacin on every endpoint in this trial," Robert Steffen, MD, said at the annual Digestive Disease Week[R].
Scott-A Str was developed with resistance to streptomycin, while OSY-8578 Rf,Nm was made resistant to both rifamycin b and neomycin.
aureus isolate(s) from each positive nasal swab were tested for susceptibility to the following 12 classes of antibiotics: aminoglycosides, beta-lactams, cephalosporins, fluoroquinolones, lincosamides, macrolides, oxazolidinones, rifamycin, streptogramins, sulfonamide, nitrofuran, and tetracyclines (see Table S1).