Evidence map›Paper›PMID 25446771›Full record

Trial reportPharmaceutical research2015

Development and Application of a Mechanistic Pharmacokinetic Model for Simvastatin and its Active Metabolite Simvastatin Acid Using an Integrated Population PBPK Approach.

Nikolaos Tsamandouras, Gemma Dickinson, Yingying Guo, Stephen Hall, Amin Rostami-Hodjegan, Aleksandra Galetin, Leon Aarons

Abstract readClinical Trial
PubMed Publisher
In one paragraph

Trial report in Pharmaceutical research, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed
3.5field-weighted citation impact, top 8% 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

33 citing papers in PubMed, 63 citations in OpenAlex.

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  4. Evaluating genotype-treatment interactions for high-risk medications in British general practice: a retrospective cohort study using UK Biobank.The British journal of general practice : the journal of the Royal College of General Practitioners · 2026
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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

7 authors at 3 institutions in 2 countries.

Nikolaos TsamandourasCentre for Applied Pharmacokinetic Research, Manchester Pharmacy School, The University of Manchester, Stopford Building, Room 3.32, Oxford Road, Manchester, M13 9PT, UK, nikolaos.tsamandouras@manchester.ac.uk.
Gemma Dickinson
Yingying Guo
Stephen Hall
Amin Rostami-Hodjegan
Aleksandra Galetin
Leon Aarons
Eli Lilly (United States) · USUniversity of Manchester · GBSimcyp (United Kingdom) · GB

Funding

Medical Research Council MC_G1100157
6 · The paper itself

Abstract

purposeTo develop a population physiologically-based pharmacokinetic (PBPK) model for simvastatin (SV) and its active metabolite, simvastatin acid (SVA), that allows extrapolation and prediction of their concentration profiles in liver (efficacy) and muscle (toxicity).

methodsSV/SVA plasma concentrations (34 healthy volunteers) were simultaneously analysed with NONMEM 7.2. The implemented mechanistic model has a complex compartmental structure allowing inter-conversion between SV and SVA in different tissues. Prior information for model parameters was extracted from different sources to construct appropriate prior distributions that support parameter estimation. The model was employed to provide predictions regarding the effects of a range of clinically important conditions on the SV and SVA disposition.

resultsThe developed model offered a very good description of the available plasma SV/SVA data. It was also able to describe previously observed effects of an OATP1B1 polymorphism (c.521 T > C) and a range of drug-drug interactions (CYP inhibition) on SV/SVA plasma concentrations. The predicted SV/SVA liver and muscle tissue concentrations were in agreement with the clinically observed efficacy and toxicity outcomes of the investigated conditions.

conclusionsA mechanistically sound SV/SVA population model with clinical applications (e.g., assessment of drug-drug interaction and myopathy risk) was developed, illustrating the advantages of an integrated population PBPK approach.

Indexed as

Models, BiologicalActivation, MetabolicBiological AvailabilityCytochrome P-450 Enzyme InhibitorsDrug InteractionsHealthy VolunteersHumansHydroxymethylglutaryl-CoA Reductase InhibitorsLiverLiver-Specific Organic Anion Transporter 1Muscle, SkeletalMuscular DiseasesOrganic Anion TransportersPharmacogeneticsPolymorphism, GeneticReproducibility of ResultsCytochrome P-450 Enzyme InhibitorsHydroxymethylglutaryl-CoA Reductase InhibitorsLiver-Specific Organic Anion Transporter 1Organic Anion TransportersSimvastatinsimvastatin acidSLCO1B1 protein, human

Identifiers

PMID25446771
OpenAlexW2060231414

What OpenQuestion holds

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Read underepoch 390

Registered trials

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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.