lactam

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Related to Beta-lactam antibiotics: beta-lactamase, Aminoglycosides

lactam

[′lak‚tam]
(organic chemistry)
An internal (cyclic) amide formed by heating gamma (γ) and delta (δ) amino acids; thus γ-aminobutyric acid readily forms γ-butyrolactam (pyrrolidone); many lactams have physiological activity.
References in periodicals archive ?
In our study of patients with severe sepsis and septic shock, Vd (27.3 L) and CL (0.23 L/min) were higher, and plasma concentrations of meropenem were lower than that in other critically ill patients.[sup][11],[26],[27] Taccone et al .[sup][28] conducted a prospective, multicenter study to determine whether the first dose of beta-lactam antibiotics would result in inadequate serum drug concentrations in patients with severe sepsis and septic shock and found that the target pharmacokinetic profiles were achieved in only 75% of patients for meropenem.
The authors say their study findings in mice raise the possibility that prescribing beta-lactam antibiotics to treat infections in humans may worsen the infection, should the source prove to be MRSA.
Unfortunately these data can indicate high pressure of selection for drug resistance isolates of E.coli because of high rate of beta-lactam antibiotics consumption in our hospitals and also a wrong culture of self- consumption of antibiotics.
The best evidence right now is that for simple cellulitis (no purulence, abscess, or exudate), treatment with a beta-lactam antibiotic is the best option.
The MaxSignal Beta-Lactam ELISA Test Kit was developed to ease these concerns and assure that food is free of beta-lactam antibiotic residues.
Like all beta-lactam antibiotics it produces its therapeutic effects by crossing the cell wall through porins and binding to penicillin binding proteins (PBP) in the cell membrane.19 In P.
Beta-lactamase inhibitors restore or potentiate the activity of beta-lactam antibiotics. The combination of OP0595 with a beta-lactam antibiotic targets severe infections caused by Enterobacteriaceae, including multi-drug-resistant strains.
and Enterome Bioscience SA have entered into an agreement to conduct metagenomic research on the effects of beta-lactam antibiotics on the gastrointestinal microflora (microbiome) of human patients.
In addition, later generations of beta-lactam antibiotics have broader spectrums of activity, which may obviate any benefit offered by adding aminoglycosides.
The acquisition includes Orchid's beta-lactam antibiotics manufacturing complex (comprising Cephalosporin, Penicillin and Carbapenem facilities), pharmaceutical research and development facility at Irungattukottai, Chennai and its generic injectable product portfolio and pipeline.
In clinical practice, the confirmation of penicillin allergic status is not always feasible, which results in unnecessary avoidance of beta-lactam antibiotics in patients who are over-diagnosed [5].
The beta-lactam antibiotics tested are effective for the total elimination of Agrobacterium tumefaciens in indica rice calli (variety J-104), and do not interfere negatively in callus growth and plant regeneration.

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