Evidence mapPaperPMID 21753749Full record

ArticleClinical pharmacology and therapeutics2011

In vivo CYP3A activity is significantly lower in cyclosporine-treated as compared with tacrolimus-treated renal allograft recipients.

H de Jonge, H de Loor, K Verbeke, Y Vanrenterghem, D R J Kuypers

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In one paragraph

Article in Clinical pharmacology and therapeutics, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04608474 (Lipid Management in Renal Transplant Recipients), which is not on this map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
3.2field-weighted citation impact, top 9% 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.

NCT04608474 phase4completedstarted 2021, after this paper: background citation

Lipid Management in Renal Transplant Recipients: a Pilot Study Evaluating the Use of a Proprotein Convertase Subtilisin/Kexin Type 9 (PCSK-9) Inhibitor Evolocumab.

Ran2021Enrolled81Registered outcomes3Posted comparisons0ConditionsHyperlipidemiasArmsEvolocumab
Open the trial in the graph
3 · Its place in the literature

Who cites it

16 citing papers in PubMed, 41 citations in OpenAlex.

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  7. Tacrolimus induces a pro-fibrotic response in donor-derived human proximal tubule cells dependent on common variants of the CYP3A5 and ABCB1 genes.Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association · 2023
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  13. Observational
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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

5 authors at 1 institution in 1 country.

H de JongeDepartment of Nephrology and Renal Transplantation, University Hospitals Leuven, Leuven, Belgium.
H de Loor
K Verbeke
Y Vanrenterghem
D R J Kuypers
KU Leuven · BE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In vitro studies have identified cyclosporine and tacrolimus as CYP3A inhibitors. In the current study in renal allograft recipients, we used intravenously and orally administered midazolam as a drug probe to assess whether the study drugs at doses that are generally used in clinical practice have differential effects on in vivo hepatic and first-pass CYP3A activities. Systemic and apparent oral midazolam clearance were 24% (269 ± 73 vs. 354 ± 102 ml/min, P = 0.022) and 31% (479 ± 190 vs. 688 ± 265 ml/min, P = 0.013), respectively, lower in cyclosporine-treated patients (n = 20) than in matched tacrolimus-treated patients (n = 20). The latter displayed midazolam clearances similar to those in two larger cohorts of nonmatched tacrolimus-treated patients (n = 58 and n = 80) and to those receiving a calcineurin inhibitor-free regimen (n = 6). This implies that in vivo hepatic and first-pass CYP3A activities are significantly lower in patients receiving cyclosporine than in those receiving tacrolimus, indicating that, at the doses generally used in clinical practice, cyclosporine is the stronger of the two with respect to CYP3A inhibition. This observation has important implications in the context of drug-drug interactions in transplant recipients.

Indexed as

Kidney TransplantationAdultCalcineurinCalcineurin InhibitorsCase-Control StudiesCyclosporineCytochrome P-450 CYP3ADrug InteractionsFemaleGenotypeHumansImmunosuppressive AgentsLiverMaleMidazolamPolymorphism, Single NucleotideCalcineurinCalcineurin InhibitorsCyclosporineCytochrome P-450 CYP3AImmunosuppressive AgentsMidazolamTacrolimus

Identifiers

PMID21753749
OpenAlexW1989093608

What Socratic holds

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Registered trials

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 Socratic graph.