Evidence map›Paper›PMID 29299768›Full record

ArticlePharmaceutical research2018

Optimization, Biopharmaceutical Profile and Therapeutic Efficacy of Pioglitazone-loaded PLGA-PEG Nanospheres as a Novel Strategy for Ocular Inflammatory Disorders.

Marcelle Silva-Abreu, Ana Cristina Calpena, Marta Espina, Amelia M Silva, Alvaro Gimeno, María Antonia Egea, María Luisa García

Abstract read
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In one paragraph

Article in Pharmaceutical research, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing 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

19 citing papers in PubMed.

  1. Optimized PLGA encapsulated SA-2 nanosuspension exhibits sustained intraocular pressure reduction in the mouse microbead occlusion model of ocular hypertension.European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences · 2025
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  8. Nanotechnology for Pediatric Retinoblastoma Therapy.Pharmaceuticals (Basel, Switzerland) · 2022
    Review
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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.

Marcelle Silva-AbreuDepartment of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028, Barcelona, Spain.
Ana Cristina CalpenaDepartment of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028, Barcelona, Spain.
Marta EspinaDepartment of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028, Barcelona, Spain.
Amelia M SilvaDepartment of Biology and Environment, School of Life and Environmental Sciences, (ECVA, UTAD), University of Trás-os-Montes and Alto Douro, Quinta de Prados, 5001-801, Vila Real, Portugal.
Alvaro GimenoAnimal Facility, Bellvitge Health Sciences Campus, University of Barcelona, 08907, Barcelona, Spain.
María Antonia EgeaDepartment of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028, Barcelona, Spain.
María Luisa GarcíaDepartment of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028, Barcelona, Spain. rdcm@ub.edu.

Funding

Spanish Ministry of Science and Innovation MAT2014-59134R
6 · The paper itself

Abstract

purposeThe main goal of this study was to encapsulate Pioglitazone (PGZ), in biodegradable polymeric nanoparticles as a new strategy for the treatment of ocular inflammatory processes.

methodsTo improve their biopharmaceutical profile for the treatment of ocular inflammatory disorders, nanospheres (NSs) of PGZ were formulated by factorial design with poly (lactic-co-glycolic acid) polyethylene glycol (PLGA-PEG). Interactions drug-polymer have been carried out by spectroscopic (X-ray spectroscopy, FTIR) and thermal methods (DSC). The PGZ-NSs were tested for their in vitro release profile, cytotoxicity, and ocular tolerance (HET-CAM® test); ex vivo corneal permeation, and in vivo inflammatory prevention and bioavailability.

resultsThe optimized system showed a negative surface charge of -13.9 mV, an average particle size (Z

conclusionThe in vivo anti-inflammatory efficacy of developed PGZ-NSs indicates this colloidal system could constitute a new approach to prevent ocular inflammation.

Indexed as

Administration, OphthalmicAnimalsAnti-Inflammatory Agents, Non-SteroidalBiological AvailabilityBiological TransportCell Culture TechniquesCell LineCorneaDrug CarriersDrug LiberationEye InfectionsHumansMaleNanospheresParticle SizePermeabilityAnti-Inflammatory Agents, Non-SteroidalDrug CarriersPioglitazonePolyethylene GlycolsPolyglactin 910poly(lactic-glycolic acid)-poly(ethyleneglycol) copolymerThiazolidinedionesdrug deliverynanospheresocular anti-inflammatory efficacypioglitazonePLGA-PEG

Identifiers

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.