Evidence map›Paper›PMID 22500244›Full record

ArticleISRN pharmaceutics2012

Development and stability studies of novel liposomal vancomycin formulations.

Krishna Muppidi, Andrew S Pumerantz, Jeffrey Wang, Guru Betageri

Abstract read
In one paragraph

Article in ISRN pharmaceutics, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

38 citing papers in PubMed.

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  19. Nanobiosystems for Antimicrobial Drug-Resistant Infections.Nanomaterials (Basel, Switzerland) · 2021
    Review
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Krishna MuppidiDepartment of Pharmaceutical Sciences, College of Pharmacy, Western University of Health Sciences, 309 E. 2nd Street, Pomona, CA 91766, USA.
Andrew S Pumerantz
Jeffrey Wang
Guru Betageri

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A promising strategy to improve the therapeutic efficiency of antimicrobial agents is targeted therapy. Although vancomycin has been considered a gold standard for the therapy of MRSA pneumonia, clinical failure rates have also been reported owing to its slow, time-dependent bactericidal activity, variable lung tissue penetration and poor intracellular penetration into macrophages. Liposomal encapsulation has been established as an alternative for antimicrobial delivery to infected tissue macrophages and offers enhanced pharmacodynamics, pharmacokinetics and decreased toxicity compared to standard preparations. The aim of the present work is to prepare vancomycin in two different liposomal formulations, conventional and PEGylated liposomes using different methods. The prepared formulations were optimized for their particle size, encapsulation efficiency and physical stability. The dehydration-rehydration was found to be the best preparation method. Both the conventional and PEGylated liposomal formulations were successfully formulated with a narrow particle size and size distribution and % encapsulation efficiency of 9 ± 2 and 12 ± 3, respectively. Both the formulations were stable at 4°C for 3 months. These formulations were successfully used to evaluate for their intracellular killing of MRSA and in vivo pharmacokinetic and bio-distribution studies.

Identifiers

PMID22500244
PMCPMC3302012

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.