Evidence map›Paper›PMID 28401570›Full record

Trial reportBritish journal of clinical pharmacology2017

Effect of P-glycoprotein inhibition at the blood-brain barrier on brain distribution of (R)-[

Martin Bauer, Beatrix Wulkersdorfer, Rudolf Karch, Cécile Philippe, Walter Jäger, Johann Stanek, Wolfgang Wadsak, Marcus Hacker, Markus Zeitlinger, Oliver Langer

Open access · bronzeAbstract readClinical Trial
In one paragraph

Trial report in British journal of clinical pharmacology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
1.8field-weighted citation impact, top 14% 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

17 citing papers in PubMed, 36 citations in OpenAlex.

  1. Trial
  2. Imaging the Activity of Efflux Transporters at the Blood-Brain Barrier in Neurologic Diseases: Radiotracer Selection Criteria.Journal of nuclear medicine : official publication, Society of Nuclear Medicine · 2025
    Review
  3. Review
  4. [Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2024
    Article
  5. Quantification of P-glycoprotein function at the human blood-brain barrier using [European journal of nuclear medicine and molecular imaging · 2023
    Article
  6. Review
  7. Article
  8. Review
  9. Review
  10. Review
  11. Comparative vulnerability of PET radioligands to partial inhibition of P-glycoprotein at the blood-brain barrier: A criterion of choice?Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2022
    Article
  12. Article
  13. Article
  14. Article
  15. Age dependency of cerebral P-glycoprotein function in wild-type and APPPS1 mice measured with PET.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2020
    Article
  16. Article
  17. Article
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

10 authors at 2 institutions in 1 country.

Martin BauerDepartment of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria.
Beatrix WulkersdorferDepartment of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria.
Rudolf KarchCentre for Medical Statistics, Informatics, and Intelligent Systems, Medical University of Vienna, Vienna, Austria.
Cécile PhilippeDepartment of Biomedical Imaging und Image-guided Therapy, Division of Nuclear Medicine, Medical University of Vienna, Vienna, Austria.
Walter JägerDepartment of Clinical Pharmacy and Diagnostics, University of Vienna, Vienna, Austria.
Johann StanekDepartment of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria.
Wolfgang WadsakDepartment of Biomedical Imaging und Image-guided Therapy, Division of Nuclear Medicine, Medical University of Vienna, Vienna, Austria.
Marcus HackerDepartment of Biomedical Imaging und Image-guided Therapy, Division of Nuclear Medicine, Medical University of Vienna, Vienna, Austria.
Markus ZeitlingerDepartment of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria.
Oliver LangerDepartment of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria.
Medical University of Vienna · ATUniversity of Vienna · AT

Funding

Austrian Science Fund FWF KLI 480
6 · The paper itself

Abstract

aimsThe efflux transporter P-glycoprotein (ABCB1) acts at the blood-brain barrier (BBB) to restrict the distribution of many different drugs from blood to the brain. Previous data suggest an age-associated decrease in the expression and function of ABCB1 at the BBB. In the present study, we investigated the influence of age on the magnitude of an ABCB1-mediated drug-drug interaction (DDI) at the BBB.

methodsWe performed positron emission tomography scans using the model ABCB1 substrate (R)-[

resultsIn baseline scans, the total distribution volume (V

conclusionsOur results provide the first direct evidence of an increased risk for ABCB1-mediated DDIs at the BBB in elderly persons, which may have important consequences for pharmacotherapy of the elderly.

Indexed as

AdultAgedAge FactorsATP Binding Cassette Transporter, Subfamily BBlood-Brain BarrierBrainCarbon RadioisotopesDrug InteractionsGray MatterHealthy VolunteersHumansMalePositron-Emission TomographyQuinolinesVerapamilABCB1 protein, humanATP Binding Cassette Transporter, Subfamily BCarbon RadioisotopesQuinolinestariquidarVerapamilageblood-brain barrierdrug-drug interactionPETP-glycoprotein

Identifiers

PMID28401570
PMCPMC5555869
OpenAlexW2606880206

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.