Evidence map›Paper›PMID 30592277›Full record

ArticleMolecular medicine reports2019

Butyl stearate prolongs the drug release period of isoperidone‑loaded poly (lactic‑co‑glycolic acid) microspheres: In vitro and in vivo investigation.

Fengying Sun, Changhui Yu, Ximing Liu, Dan Wang, Na Liu, Jiaxin Liu, Lesheng Teng, Youxin Li

Abstract read
In one paragraph

Article in Molecular medicine reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing 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

3 citing papers in PubMed.

  1. Article
  2. Article
  3. Review
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

8 authors.

Fengying SunThe Center for Pharmaceutical Research, School of Life Sciences, Jilin University, Changchun, Jilin 130012, P.R. China.
Changhui YuThe Center for Pharmaceutical Research, School of Life Sciences, Jilin University, Changchun, Jilin 130012, P.R. China.
Ximing LiuThe Center for Pharmaceutical Research, School of Life Sciences, Jilin University, Changchun, Jilin 130012, P.R. China.
Dan WangThe Center for Pharmaceutical Research, School of Life Sciences, Jilin University, Changchun, Jilin 130012, P.R. China.
Na LiuThe Center for Pharmaceutical Research, School of Life Sciences, Jilin University, Changchun, Jilin 130012, P.R. China.
Jiaxin LiuThe Center for Pharmaceutical Research, School of Life Sciences, Jilin University, Changchun, Jilin 130012, P.R. China.
Lesheng TengThe Center for Pharmaceutical Research, School of Life Sciences, Jilin University, Changchun, Jilin 130012, P.R. China.
Youxin LiThe Center for Pharmaceutical Research, School of Life Sciences, Jilin University, Changchun, Jilin 130012, P.R. China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The present study aimed to investigate the effects of butyl stearate on t‑butoxyl paliperidone derivative (isoperidone)‑loaded poly(lactide‑co‑glycolide) (PLGA) microspheres. The mechanism of drug release rate delay by butyl stearate was examined by accelerated testing, morphological observation, thermal and fluorescence analyses. In vivo pharmacokinetic study was conducted on female beagle dogs. Spherical microspheres with smooth surfaces, small internal pores and shell structures were initially prepared. It was found that 3% (w/w) butyl stearate prolonged the in vitro drug release period from 46 to 82 days, and in vivo release period from 20 to 27 days. Furthermore, the results demonstrated that the green fluorescence imaging of isoperidone approaching the cores of microspheres with 3% butyl stearate was brighter than in microspheres without additives. In conclusion, it was shown that butyl stearate affected the microsphere structure, isoperidone microsphere distribution and isoperidone crystallinity. The results of the present study thus provide a potential method to develop sustained‑release preparations.

Indexed as

MicrospheresAnimalsDelayed-Action PreparationsDogsDrug CompoundingDrug LiberationHumansLactic AcidPaliperidone PalmitateParticle SizePolylactic Acid-Polyglycolic Acid CopolymerSchizophreniaStearatesbutyl stearateDelayed-Action PreparationsisoperidoneLactic AcidPaliperidone PalmitatePolylactic Acid-Polyglycolic Acid CopolymerStearatesbutyl stearatedrug release ratisoperidonepoly (lactic-co-glycolic acid) microsphereschizophrenia

Identifiers

PMID30592277
PMCPMC6390036

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.