Evidence map›Paper›PMID 26633326›Full record

ArticleMolecules (Basel, Switzerland)2015

Comparative Pharmacokinetics Study of Icariin and Icariside II in Rats.

Tao Cheng, Yong Zhang, Tong Zhang, Lu Lu, Yue Ding, Yuan Zhao

Open access · goldAbstract readComparative Study
In one paragraph

Article in Molecules (Basel, Switzerland), 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
4.8field-weighted citation impact, top 6% 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

29 citing papers in PubMed, 63 citations in OpenAlex.

  1. Review
  2. Review
  3. A comprehensive narrative review ofJournal of pharmaceutical analysis · 2026
    Review
  4. Icariin Against Neurodegeneration: A Focus in Cell Death Pathways.International journal of molecular sciences · 2026
    Review
  5. Review
  6. Multi-system Mechanisms in the Anti-osteoporotic Effects of Herbal Natural Products.Endocrine, metabolic & immune disorders drug targets · 2026
    Review
  7. Article
  8. Journal of pharmaceutical analysis · 2025
    Review
  9. Article
  10. Review
  11. Article
  12. Article
  13. Review
  14. Review
  15. Review
  16. Article
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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 at 1 institution in 1 country.

Tao ChengSchool of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China. chengtaohx@126.com.
Yong ZhangExperiment Center for Teaching and Learning, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China. yongzhang11@163.com.
Tong ZhangSchool of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China. zhangtongshutcm@hotmail.com.
Lu LuSchool of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China. yjll66@outlook.com.
Yue DingExperiment Center for Teaching and Learning, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China. dingyue-2001@hotmail.com.
Yuan ZhaoExperiment Center for Teaching and Learning, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China. cmx_1@126.com.
Shanghai University of Traditional Chinese Medicine · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

To explore the pharmacokinetic properties of icariin (ICA) and icariside II (ICA II) following intragastric and intravenous administration in rats, a rapid and sensitive method by using ultra-performance liquid chromatography-tandem mass spectroscopy (UPLC-MS/MS) was developed and validated for the simultaneous quantification of ICA and ICA II in rat plasma. The quantification was performed by using multiple reaction monitoring of the transitions m/z 677.1/531.1 for ICA, 515.1/369.1 for ICA II and 463.1/301.1 for diosmetin-7-O-β-d-glucopyranoside (IS). The assay showed linearity over the concentration range of 1.03-1032 ng/mL, with correlation coefficients of 0.9983 and 0.9977. Intra- and inter-day precision and accuracy were within 15%. The lower limit of quantification for both ICA and ICA II was 1.03 ng/mL, respectively. The recovery of ICA and ICA II was more than 86.2%. The LC-MS/MS method has been successfully used in the pharmacokinetic studies of ICA and ICA II in rats. The results indicated that 91.2% of ICA was transformed into ICA II after oral administration by rats, whereas only 0.4% of ICA was transformed into ICA II after intravenous administration. A comparison of the pharmacokinetics of ICA and ICA II after oral administration revealed that the Cmax and AUC0-t of ICA II were 3.8 and 13.0 times higher, respectively, than those of ICA. However, after intravenous administration, the Cmax and AUC0-t of ICA II were about only 12.1% and 4.2% of those of ICA. These results suggest that ICA and ICA II have distinct pharmacokinetic properties, and the insights obtained facilitate future pharmacological action studies.

Indexed as

Administration, OralAnimalsBiological AvailabilityChromatography, LiquidDrugs, Chinese HerbalFlavonoidsInsect RepellentsMalePiperidinesRatsRats, Sprague-DawleyTandem Mass SpectrometryTissue Distributionbaohuoside IDrugs, Chinese HerbalFlavonoidsInsect RepellentspicaridinPiperidinesicariinicariside IIpharmacokinetic studyUPLC-MS/MS

Identifiers

PMID26633326
PMCPMC6332156
OpenAlexW2182832921

What OpenQuestion holds

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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.