Evidence map›Paper›PMID 24549821›Full record

ArticlePharmaceutical research2014

One-step production of protein-loaded PLGA microparticles via spray drying using 3-fluid nozzle.

Feng Wan, Morten Jonas Maltesen, Sune Klint Andersen, Simon Bjerregaard, Camilla Foged, Jukka Rantanen, Mingshi Yang

Abstract read
PubMed Publisher
In one paragraph

Article in Pharmaceutical research, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
5.1field-weighted citation impact, top 4% of its field
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

15 citing papers in PubMed, 53 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Article
  5. Review
  6. Article
  7. Review
  8. Review
  9. Article
  10. Review
  11. Article
  12. Article
  13. Poly(lactic-co-glycolic acid) devices: Production and applications for sustained protein delivery.Wiley interdisciplinary reviews. Nanomedicine and nanobiotechnology · 2018
    Review
  14. Article
  15. 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

7 authors at 3 institutions in 1 country.

Feng WanDepartment of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100, Copenhagen Ø, Denmark.
Morten Jonas Maltesen
Sune Klint Andersen
Simon Bjerregaard
Camilla Foged
Jukka Rantanen
Mingshi Yang
University of Copenhagen · DKNovo Nordisk (Denmark) · DKNovozymes (Denmark) · DK

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe aim of this study was to investigate the potential of using a spray-dryer equipped with a 3-fluid nozzle to microencapsulate protein drugs into polymeric microparticles.

methodsLysozyme and PLGA were used as a model protein and a model polymer, respectively. The effects of process and formulation variables, such as i) the type of organic solvent, ii) the feeding rate ratio of the outer PLGA-containing feed solution to inner lysozyme-containing feed solution, and iii) the mass ratio of PLGA to protein, on the properties (morphology, internal structure, protein surface enrichment and release profiles) of the spray dried microparticles were investigated to understand protein microencapsulation and particle formation mechanisms.

resultsThe spherical, condensed microparticles were obtained with D50 of 1.07-1.60 μm and Span in the range of 0.82-1.23. The lysozyme surface content decreased upon different organic solvents used as follows: acetonitrile > acetone > dichloromethane. Additionally, the lysozyme surface enrichment decreased slightly when increasing the feeding rate ratio of the outer feed solution to the inner feed solution from 4:1 to 10:1. Furthermore, it was observed that there was a correlation between the degree of burst release and the lysozyme surface enrichment, whereas the lysozyme loading content had no substantial impact on the release kinetics.

conclusionsThe present work demonstrates the potential of spray dryer equipped with a 3-fluid nozzle in microencapsulation of proteins into PLGA matrices with different characteristics by varying process and formulation parameters.

Indexed as

MicrospheresAnimalsChemistry, PharmaceuticalChickensDrug CarriersDrug CompoundingLactic AcidMuramidasePolyglycolic AcidPolylactic Acid-Polyglycolic Acid CopolymerDrug CarriersLactic AcidMuramidasePolyglycolic AcidPolylactic Acid-Polyglycolic Acid Copolymer

Identifiers

PMID24549821
OpenAlexW2041985711

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.