Evidence map›Paper›PMID 28306618›Full record

ArticlePharmacogenetics and genomics2017

Impact of the CYP2C19 genotype on voriconazole exposure in adults with invasive fungal infections.

Issam S Hamadeh, Kenneth P Klinker, Samuel J Borgert, Ashley I Richards, Wenhui Li, Naveen Mangal, John W Hiemenz, Stephan Schmidt, Taimour Y Langaee, Charles A Peloquin and 2 more

Abstract read
In one paragraph

Article in Pharmacogenetics and genomics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed
3.6field-weighted citation impact, top 7% 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

30 citing papers in PubMed, 56 citations in OpenAlex.

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  16. Combined Effect ofFrontiers in pediatrics · 2022
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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

12 authors at 3 institutions in 1 country.

Issam S HamadehaDepartment of Pharmacotherapy and Translational Research bCenter for Pharmacogenomics, College of Pharmacy, University of Florida cUniversity of Florida Health Shands Hospital, Gainesville dDepartment of Pharmaceutics eCenter for Pharmacometrics and Systems Pharmacology, College of Pharmacy, University of Florida, Orlando fDepartment of Medicine, Division of Hematology and Oncology gDepartment of Medicine, Division of Cardiology, College of Medicine, University of Florida, Gainesville, Florida, USA.
Kenneth P Klinker
Samuel J Borgert
Ashley I Richards
Wenhui Li
Naveen Mangal
John W Hiemenz
Stephan Schmidt
Taimour Y Langaee
Charles A Peloquin
Julie A Johnson
Larisa H Cavallari
UF Health Shands Hospital · USUniversity of Florida Health · USUniversity of Florida Health Science Center · US

Funding

Using social networks to map and evaluate team science across CTSA hubsUL1TR001427 · NCATS · UNIVERSITY OF FLORIDA · PI MITCHELL, DUANE A. · 2015 to 2024
$37.2M
Sparking Advancements in Genomic MedicineU01HG007269 · NHGRI · UNIVERSITY OF FLORIDA · PI CAVALLARI, LARISA HUMMA, JOHNSON, JULIE A. · 2013 to 2024
$17.0M
UF Clinical and Translational Science AwardUL1TR000064 · NCATS · UNIVERSITY OF FLORIDA · PI NELSON, DAVID R · 2012 to 2014
$12.2M
NCATS NIH HHS UL1 TR000064NCATS NIH HHS UL1 TR001427NHGRI NIH HHS U01 HG007269
6 · The paper itself

Abstract

objectivesVoriconazole, a first-line agent for the treatment of invasive fungal infections (IFIs), is metabolized by CYP2C19. A significant proportion of patients fail to achieve therapeutic trough concentrations with standard weight-based voriconazole dosing, placing them at increased risk for treatment failure, which can be life threatening. We sought to test the association between the CYP2C19 genotype and subtherapeutic voriconazole concentrations in adults with IFIs. PATIENT AND

methodsAdults receiving weight-based voriconazole dosing for the treatment of IFIs were genotyped for the CYP2C19*2, *3, and *17 polymorphisms, and CYP2C19 metabolizer phenotypes were inferred. Steady-state voriconazole trough plasma concentrations and the prevalence of subtherapeutic troughs (<2 mg/l) were compared between patients with the CYP2C19*17/*17 (ultrarapid metabolizer, UM) or *1/*17 (rapid metabolizer, RM) genotype versus those with other genotypes. Logistic regression, adjusting for clinical factors, was performed to estimate the odds of subtherapeutic concentrations.

resultsOf 70 patients included (mean age 52.5±18 years), 39% were RMs or UMs. Compared with patients with the other phenotypes, RMs/UMs had a lower steady-state trough concentration (4.26±2.2 vs. 2.86±2.3, P=0.0093) and a higher prevalence of subtherapeutic troughs (16 vs. 52%, P=0.0028), with an odds ratio of 5.6 (95% confidence interval: 1.64-19.24, P=0.0044).

conclusionOur findings indicate that adults with the CYP2C19 RM or UM phenotype are more likely to have subtherapeutic concentrations with weight-based voriconazole dosing. These results corroborate previous findings in children and support the potential clinical utility of CYP2C19 genotype-guided voriconazole dosing to avoid underexposure in RMs and UMs.

Indexed as

Polymorphism, Single NucleotideAdultAgedAntifungal AgentsCytochrome P-450 CYP2C19Dose-Response Relationship, DrugFemaleGenotypeHumansInvasive Fungal InfectionsLogistic ModelsMaleMiddle AgedPharmacogenomic VariantsProspective StudiesVoriconazoleAntifungal AgentsCYP2C19 protein, humanCytochrome P-450 CYP2C19Voriconazole

Identifiers

PMID28306618
PMCPMC5391994
OpenAlexW2596747129

What OpenQuestion holds

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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.