ArticleBMJ open2021
Analysis of
Article in BMJ open, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06665919 (Randomized Controlled Trial for Evaluating CYP2C19 Allele Genotype-guided Clopidogrel Treatment Outcomes in Real-world Practice After the ePCI), which is not on this map. Cited by 4 papers, 2 of them syntheses that pooled 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.
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.
Randomized Controlled Trial for Evaluating CYP2C19 Allele Genotype-guided Clopidogrel Treatment Outcomes in Real-world Practice After the ePCI
Who cites it
4 citing papers in PubMed, 2 syntheses or guidelines pooled it, 9 citations in OpenAlex.
- Clinical and cost-effectiveness of clopidogrel resistance genotype testing after ischaemic stroke or transient ischaemic attack: a systematic review and economic model.Health technology assessment (Winchester, England) · 2024Pooled it
- The role ofExpert review of clinical pharmacology · 2022Pooled it
- Advancing Personalized Medicine in Psychiatry: A Descriptive Pilot Study Integrating Pharmacogenetics and Pharmacokinetics in Long-Acting Antipsychotic Treatment.Pharmaceutics · 2026Article
- Exploring and Accounting for Genetically Driven Effect Heterogeneity in Mendelian Randomization.Genetic epidemiology · 2025Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
11 authors at 3 institutions in 3 countries.
Funding
Abstract
objectiveTo determine whether
designRetrospective cohort analysis.
settingPrimary care practices in the UK from January 1999 to September 2017.
participants7483 European-ancestry adults from the UK Biobank study with genetic and linked primary care data, aged 36-79 years at time of first clopidogrel prescription.
interventionsClopidogrel prescription in primary care, mean duration 2.6 years (range 2 months to 18 years).
main outcome measureHospital inpatient-diagnosed ischaemic stroke, MI or angina while treated with clopidogrel.
results28.7% of participants carried at least one C
conclusionsA substantial proportion of the UK population carry genetic variants that reduce metabolism of clopidogrel to its active form. In family practice patients on clopidogrel,
Indexed as
Identifiers
What OpenQuestion holds
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 OpenQuestion graph.