Teicoplanin in gram-positive infection: microbiological aspects

R C Spencer1

  • 1Department of Bacteriology, Royal Hallamshire Hospital, Sheffield, UK.

Insights

Teicoplanin offers an effective alternative to vancomycin for treating Gram-positive infections in neutropenic patients. This glycopeptide antibiotic reduces side effects and simplifies administration, improving patient care.

Area of Science:

  • Infectious Diseases
  • Pharmacology
  • Hematology

Background:

  • Indwelling catheters and Gram-negative infection treatment increase Gram-positive infections in neutropenic patients.
  • Staphylococcus epidermidis is a common pathogen in these cases.
  • Vancomycin use presents challenges like

Purpose of the Study:

  • To evaluate teicoplanin as an alternative to vancomycin for Gram-positive infections.
  • To compare the efficacy and safety profiles of teicoplanin and vancomycin.
  • To explore strategies for reducing catheter-related infections.

Main Methods:

  • Comparative analysis of teicoplanin and vancomycin efficacy.
  • Assessment of adverse events, including nephrotoxicity and

Main Results:

  • Teicoplanin demonstrates comparable efficacy to vancomycin.
  • Teicoplanin avoids "red man" syndrome and is less nephrotoxic.
  • Teicoplanin allows for simpler daily administration without routine serum monitoring.

Conclusions:

  • Teicoplanin is a viable and advantageous alternative to vancomycin.
  • Improved catheter care practices can further reduce infection rates.

Related Concept Videos

Development of Antibiotic Resistance01:30

Development of Antibiotic Resistance

Antibiotic resistance is a major public health concern that arises when bacteria evolve mechanisms to withstand the effects of antibiotic treatments. This resistance can be intrinsic, acquired through genetic mutations, or transferred between bacteria via horizontal gene transfer. The development of antibiotic resistance poses significant challenges in treating bacterial infections and necessitates ongoing research to develop new therapeutic strategies.Intrinsic resistance occurs when bacterial...
Production of Antibiotics01:27

Production of Antibiotics

Penicillin, one of the earliest and most widely used antibiotics, is produced industrially by the filamentous fungus Penicillium chrysogenum. Large stirred-tank bioreactors ranging from tens to hundreds of thousands of liters maintain tightly controlled temperature, pH, and dissolved oxygen conditions to support fungal metabolism and maximize antibiotic yield. Penicillin is a secondary metabolite, synthesized primarily during the stationary growth phase, which requires a carefully managed...
Mechanism of Antibiotic Resistance in MRSA01:25

Mechanism of Antibiotic Resistance in MRSA

Antibiotic resistance in bacteria arises when microorganisms evolve the ability to withstand drugs designed to kill them or inhibit their growth, rendering once-effective treatments useless. This phenomenon, driven by genetic change and selection under antibiotic exposure, poses a profound threat to modern medicine. Mechanisms include drug-inactivating enzymes (e.g., β-lactamases), efflux pumps that eject antibiotics, mutations altering antibiotic targets, decreased drug uptake, and acquisition...
Inhibitors of Gram-positive Cell Wall Synthesis01:23

Inhibitors of Gram-positive Cell Wall Synthesis

Bacterial cell walls are typically rigid structures composed mainly of peptidoglycan, a mesh-like polymer that provides mechanical strength and maintains cell shape. The synthesis of peptidoglycan is a crucial process in bacterial growth and serves as a primary target for many antibiotics.Mechanism of Action of Beta-Lactam AntibioticsBeta-lactam antibiotics, such as penicillin, inhibit peptidoglycan synthesis in actively growing cells. These antibiotics share a characteristic four-membered...
Inhibitors of Bacterial Protein Synthesis01:25

Inhibitors of Bacterial Protein Synthesis

Aminoglycosides constitute a highly potent class of bactericidal antibiotics that exert their antimicrobial effects by targeting the bacterial ribosome, specifically disrupting protein synthesis. These polycationic molecules consist of amino-modified sugars linked via glycosidic bonds to an aminocyclitol core such as 2-deoxystreptamine or streptamine. Their strong positive charges facilitate tight binding to the negatively charged phosphate backbone of ribosomal RNA (rRNA), primarily at the 16S...
Clinical Significance of Antibiotic Resistance01:25

Clinical Significance of Antibiotic Resistance

Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within the One...