Evidence map›Paper›PMID 34128132›Full record

ReviewAAPS PharmSciTech2021

Nanocrystals for Improving Oral Bioavailability of Drugs: Intestinal Transport Mechanisms and Influencing Factors.

Zonghua Tian, Yaping Mai, Tingting Meng, Shijie Ma, Guojing Gou, Jianhong Yang

Abstract readReview
PubMed Publisher
In one paragraph

Review in AAPS PharmSciTech, 2021. 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.

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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

6 authors.

Zonghua Tian *Department of Pharmaceutics, School of Pharmacy, Ningxia Medical University, Yinchuan, China.
Yaping Mai *Department of Medical Science and Technology Research Center, Ningxia Medical University, Yinchuan, China.
Tingting MengDepartment of Pharmaceutics, School of Pharmacy, Ningxia Medical University, Yinchuan, China.
Shijie MaDepartment of Pharmaceutics, School of Pharmacy, Ningxia Medical University, Yinchuan, China.
Guojing GouDepartment of Medical Chemistry, School of Basic Medicine, Ningxia Medical University, Yinchuan, China. ggj1964@163.com.
Jianhong YangDepartment of Pharmaceutics, School of Pharmacy, Ningxia Medical University, Yinchuan, China. pharmacyy217@163.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

With the limitation of solubility and dissolution rate of insoluble drugs, following oral administration, they would rifely prove poor and volatile bioavailability, which may fail to realize its therapeutic value. The drug nanocrystals are perceived as effective tactic for oral administration of insoluble drugs attributes to possess many prominent properties such as elevating dissolution rate and saturation solubility, high drug loading capacity, and improving oral bioavailability. Based on these advantages, the application of nanocrystals in oral drug delivery has acquired significant achievement, and so far more than 20 products of drug nanocrystals have been confirmed in the market. However, the oral absorption of drug nanocrystals is still facing huge challenges due to the limitation of many factors. Intrinsic properties of the drugs and complex physiological environment of the intestinal tract are the two most important factors affecting the oral bioavailability of drugs. In addition, the research on the multi-aspect mechanisms of nanocrystals promoting gastrointestinal absorption and bioavailability has been gradually deepened. In this review, we summarized recent advances of the nanocrystals delivered orally, and provided an overview to the research progress for crossing the intestinal tract transport mechanisms of the nanocrystals by some new research techniques. Meanwhile, the factors relevant to the transport of drug nanocrystals were also elaborated in detail. Graphical Abstract.

Indexed as

Administration, OralAnimalsBiological AvailabilityDrug Delivery SystemsHumansIntestinal AbsorptionNanoparticlesPharmaceutical PreparationsSolubilityPharmaceutical Preparationsintestinal tractnanocrystalsoral drug delivery systemtransport mechanisms

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.