Evidence map›Paper›PMID 25786720›Full record

ArticleDrug delivery and translational research2012

Development of quercetin nanoformulation and in vivo evaluation using streptozotocin induced diabetic rat model.

Deepak Chitkara, Sanjay K Nikalaje, Anupama Mittal, Mahesh Chand, Neeraj Kumar

Abstract read
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Article in Drug delivery and translational research, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing 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

27 citing papers in PubMed.

  1. Trial
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  10. Investigating Polyphenol Nanoformulations for Therapeutic Targets against Diabetes Mellitus.Evidence-based complementary and alternative medicine : eCAM · 2022
    Review
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  15. Article
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  19. Article
  20. Nanodelivery of Natural Antioxidants: An Anti-aging Perspective.Frontiers in bioengineering and biotechnology · 2019
    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

5 authors.

Deepak ChitkaraDepartment of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, SAS Nagar, Mohali, 160 062, India.
Sanjay K Nikalaje
Anupama Mittal
Mahesh Chand
Neeraj Kumar

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Quercetin-loaded poly(lactic-co-glycolic acid) (PLGA) nanoparticles (Qu-NP) were prepared by emulsion-diffusion-evaporation method and characterized as 179.9 ± 11.2 nm in size with 0.128 as polydispersity index, more than 86% drug entrapment efficiency, and zeta potential was -6.06 ± 1.51 mV. D-Trehalose (5% w/v) was found to be a suitable cryoprotectant for lyophilization of Qu-NP, and antioxidant assays indicated that Qu-NP were able to retain the antioxidant property similar to that of free drug at equivalent concentration after formulation development. In vitro release study of Qu-NP showed a controlled release pattern of quercetin. An enhanced oral bioavailability (523% relative increase) was observed in pharmacokinetic study with a 6-day sustained release from Qu-NP as compared to quercetin suspension, which indicated the reduced dosing frequency. Efficacy in diabetic rats suggested that same dose of Qu-NP on every fifth day was sufficient to bring effect similar to daily dose of oral quercetin suspension, and the same effect was also observed for catalase and superoxide dismutase levels in pancreas and kidneys. Thus, the system offers an efficacious oral therapy with reduced dose and dosing frequency for treatment of diabetes and is hence patient compliant.

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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.