Evidence map›Paper›PMID 25792832›Full record

ArticleInternational journal of nanomedicine2015

Oxcarbazepine-loaded polymeric nanoparticles: development and permeability studies across in vitro models of the blood-brain barrier and human placental trophoblast.

Antonio Lopalco, Hazem Ali, Nunzio Denora, Erik Rytting

Open access · goldAbstract read
In one paragraph

Article in International journal of nanomedicine, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
13.8field-weighted citation impact, top 1% 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

21 citing papers in PubMed, 64 citations in OpenAlex.

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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

4 authors at 2 institutions in 2 countries.

Antonio LopalcoDepartment of Obstretrics and Gynecology, University of Texas Medical Branch, Galveston, TX, USA ; Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS, USA ; Department of Pharmacy - Drug Sciences, University of Bari Aldo Moro, Bari, Italy.
Hazem AliDepartment of Obstretrics and Gynecology, University of Texas Medical Branch, Galveston, TX, USA.
Nunzio DenoraDepartment of Pharmacy - Drug Sciences, University of Bari Aldo Moro, Bari, Italy.
Erik RyttingDepartment of Obstretrics and Gynecology, University of Texas Medical Branch, Galveston, TX, USA ; Center for Biomedical Engineering, University of Texas Medical Branch, Galveston, TX, USA ; Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX, USA.
The University of Texas Medical Branch at Galveston · USUniversity of Bari Aldo Moro · IT

Funding

UTMB WOMEN'S HEALTH RESEARCH SCHOLARS PROGRAMK12HD052023 · NICHD · UNIVERSITY OF TEXAS MEDICAL BR GALVESTON · PI BERENSON, ABBEY B · 2005 to 2023
$8.1M
NICHD NIH HHS K12 HD052023
6 · The paper itself

Abstract

Encapsulation of antiepileptic drugs (AEDs) into nanoparticles may offer promise for treating pregnant women with epilepsy by improving brain delivery and limiting the transplacental permeability of AEDs to avoid fetal exposure and its consequent undesirable adverse effects. Oxcarbazepine-loaded nanoparticles were prepared by a modified solvent displacement method from biocompatible polymers (poly(lactic-co-glycolic acid) [PLGA] with or without surfactant and PEGylated PLGA [Resomer(®) RGPd5055]). The physical properties of the developed nanoparticles were determined with subsequent evaluation of their permeability across in vitro models of the blood-brain barrier (hCMEC/D3 cells) and human placental trophoblast cells (BeWo b30 cells). Oxcarbazepine-loaded nanoparticles with encapsulation efficiency above 69% were prepared with sizes ranging from 140-170 nm, polydispersity indices below 0.3, and zeta potential values below -34 mV. Differential scanning calorimetry and X-ray diffraction studies confirmed the amorphous state of the nanoencapsulated drug. The apparent permeability (Pe ) values of the free and nanoencapsulated oxcarbazepine were comparable across both cell types, likely due to rapid drug release kinetics. Transport studies using fluorescently-labeled nanoparticles (loaded with coumarin-6) demonstrated increased permeability of surfactant-coated nanoparticles. Future developments in enzyme-prodrug therapy and targeted delivery are expected to provide improved options for pregnant patients with epilepsy.

Indexed as

Blood-Brain BarrierCarbamazepineCell LineCell Membrane PermeabilityFemaleHumansLactic AcidNanoparticlesOxcarbazepinePlacentaPolyglycolic AcidPolylactic Acid-Polyglycolic Acid CopolymerPregnancyTrophoblastsCarbamazepineLactic AcidOxcarbazepinePolyglycolic AcidPolylactic Acid-Polyglycolic Acid CopolymerBeWo cellscoumarin-6epilepsyhCMEC/D3 cellsnanoparticlesPLGA

Identifiers

PMID25792832
PMCPMC4362902
OpenAlexW1966516690

What OpenQuestion holds

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LicenceCC BY-NC
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.