Trial reportEuropean journal of clinical pharmacology2013
The evaluation of potential pharmacokinetic interaction between sirolimus and tacrolimus in healthy volunteers.
Trial report in European journal of clinical pharmacology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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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.
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.
Who cites it
5 citing papers in PubMed, 9 citations in OpenAlex.
- Physiologically based pharmacokinetic modeling of tacrolimus for food-drug and CYP3A drug-drug-gene interaction predictions.CPT: pharmacometrics & systems pharmacology · 2023Article
- The mystery of the ketogenic diet: benevolent pseudo-diabetes.Cell cycle (Georgetown, Tex.) · 2019Article
- Disease or not, aging is easily treatable.Aging · 2018Article
- Increased Exposure of Tacrolimus by Co-administered Mycophenolate Mofetil: Population Pharmacokinetic Analysis in Healthy Volunteers.Scientific reports · 2018Article
- Rapamycin, proliferation and geroconversion to senescence.Cell cycle (Georgetown, Tex.) · 2018Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeSirolimus and tacrolimus are immunosuppressive compounds that have been used concomitantly in renal transplant patients. Both drugs are dosed orally and have common intestinal and hepatic metabolism and intestinal transport mechanisms. As such, there is a potential for pharmacokinetic drug interaction.
methodsA single-dose, open-label, four-period, four-treatment, randomized crossover study was conducted in 27 healthy fasting volunteers. Each subject received a 15-mg oral dose of sirolimus alone, a 10-mg oral dose of tacrolimus alone, sirolimus and tacrolimus administered simultaneously, and tacrolimus administered 4 h before sirolimus. Whole blood and plasma samples for sirolimus and tacrolimus testing were analyzed by liquid chromatography/tandem mass spectrometry. Pharmacokinetic parameters were assessed using noncompartmental methods and were compared using analysis of variance (ANOVA).
resultsThe geometric mean ratio and 90 % confidence interval (CI) area under the concentration-time curve from time 0 to infinity (AUCinf) for sirolimus administered simultaneously with tacrolimus versus sirolimus alone were 97 and 89-106, respectively, and, when administered in a staggered approach versus sirolimus alone, 107 and 98-117, respectively. The geometric mean ratio (%) and 90 % CI AUCinf for tacrolimus administered simultaneously with sirolimus versus tacrolimus alone were 92 and 82-102, respectively, and, when administered in a staggered approach versus tacrolimus alone, 94 and 84-105, respectively.
conclusionsThe results of this study demonstrate a lack of any clinically important drug interaction between sirolimus and tacrolimus in healthy subjects after single-dose administration. However, due to the complexity of anti-rejection immunosuppressive therapy dosing, we suggest that sirolimus and tacrolimus concentration monitoring be performed when changes in dosing are made for either drug regimen.
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