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Published on: July 7, 2020
New Perspectives on Antimicrobial Agents: Long-Acting Lipoglycopeptides
Truc T Tran1,2, Sara Gomez Villegas1,2, Samuel L Aitken3
1Center for Infectious Diseases Research, Houston Methodist Research Institute, Houston, Texas, USA.
Long-acting lipoglycopeptides (LGPs) like dalbavancin and oritavancin show promise for treating severe Gram-positive infections beyond skin issues. Further research is needed to overcome barriers and optimize their use in complex clinical scenarios.
Area of Science:
- Pharmacology
- Infectious Diseases
- Antimicrobial Resistance
Background:
- Long-acting lipoglycopeptides (LGPs), including dalbavancin and oritavancin, are potent antimicrobials effective against Gram-positive pathogens.
- Currently approved for acute bacterial skin and soft tissue infections, their pharmacokinetic profiles suggest utility in deeper, severe infections.
Purpose of the Study:
- To review current evidence on using oritavancin and dalbavancin for invasive infections.
- To identify barriers hindering optimal LGP use and knowledge gaps.
- To discuss ongoing research addressing these clinical voids.
Main Methods:
- Literature review of existing studies and clinical trial data.
- Analysis of pharmacological properties and clinical outcomes.
- Identification of challenges and future research directions.
Main Results:
- LGPs demonstrate potential for treating deep-seated infections like bloodstream and bone/joint infections.
- Their long half-lives are advantageous for avoiding prolonged therapy and catheter use.
- Barriers to optimal use and knowledge gaps remain significant.
Conclusions:
- Dalbavancin and oritavancin hold promise for treating severe Gram-positive infections, especially when multidrug-resistant bacteria are involved.
- Addressing current limitations and knowledge gaps is crucial for expanding LGP applications.
- Ongoing clinical studies aim to further define the role of LGPs in critical infections.
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