Evidence map›Paper›PMID 33795788›Full record

Trial reportScientific reports2021

Cost-effectiveness of CYP2C19 genotyping to guide antiplatelet therapy for acute minor stroke and high-risk transient ischemic attack.

Zeling Cai, De Cai, Ruiwen Wang, Heng Wang, Ze Yu, Fei Gao, Yuansheng Liu, Yingbo Kang, Zhuomin Wu

Open access · goldAbstract readMulticenter StudyRandomized Controlled Trial
In one paragraph

Trial report in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 4 pooled it
4.4field-weighted citation impact, top 4% 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

17 citing papers in PubMed, 4 syntheses or guidelines pooled it, 34 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. The role ofExpert review of clinical pharmacology · 2022
    Pooled it
  5. Article
  6. Review
  7. Article
  8. Article
  9. Measuring the health outcomes of Chinese ischemic stroke patients based on the data from a longitudinal multi-center study.Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation · 2025
    Observational
  10. Circulation · 2024
    Review
  11. Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Review
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

9 authors at 2 institutions in 1 country.

Zeling CaiDepartment of Finance, The First Affiliated Hospital of Shantou University Medical College, Shantou, China.
De CaiDepartment of Pharmacy, The First Affiliated Hospital of Shantou University Medical College, No. 57 Changping Road, Shantou, 515041, Guangdong, China.
Ruiwen WangBeijing Medicinovo Technology Co. Ltd., Beijing, China.
Heng WangBeijing Medicinovo Technology Co. Ltd., Beijing, China.
Ze YuBeijing Medicinovo Technology Co. Ltd., Beijing, China.
Fei GaoBeijing Medicinovo Technology Co. Ltd., Beijing, China.
Yuansheng LiuThe First Affiliated Hospital of Shantou University Medical College, Shantou, China.
Yingbo KangDepartment of Pharmacy, The First Affiliated Hospital of Shantou University Medical College, No. 57 Changping Road, Shantou, 515041, Guangdong, China.
Zhuomin WuDepartment of Pharmacy, The First Affiliated Hospital of Shantou University Medical College, No. 57 Changping Road, Shantou, 515041, Guangdong, China. wuzhuomin_2012@163.com.
First Affiliated Hospital of Shantou University Medical College · CNShantou University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Dual antiplatelet therapy (DAPT) with clopidogrel plus aspirin within 48 h of acute minor strokes and transient ischemic attacks (TIAs) has been indicated to effectively reduce the rate of recurrent strokes. However, the efficacy of clopidogrel has been shown to be affected by cytochrome P450 2C19 (CYP2C19) polymorphisms. Patients carrying loss-of-function alleles (LoFAs) at a low risk of recurrence (ESRS < 3) cannot benefit from clopidogrel plus aspirin at all and may have an increased bleeding risk. In order to optimize antiplatelet therapy for these patients and avoid the waste of medical resources, it is important to identify the subgroups that genuinely benefit from DAPT with clopidogrel plus aspirin through CYP2C19 genotyping. This study sought to assess the cost-effectiveness of CYP2C19 genotyping to guide drug therapy for acute minor strokes or high-risk TIAs in China. A decision tree and Markov model were constructed to evaluate the cost-effectiveness of CYP2C19 genotyping. We used a healthcare payer perspective, and the primary outcomes included quality-adjusted life years (QALYs), costs and the incremental cost-effectiveness ratio (ICER). Sensitivity analyses were performed to evaluate the robustness of the results. CYP2C19 genotyping resulted in a lifetime gain of 0.031 QALYs at an additional cost of CNY 420.13 (US$ 59.85), yielding an ICER of CNY 13,552.74 (US$ 1930.59) per QALY gained. Probabilistic sensitivity analysis showed that genetic testing was more cost-effective in 95.7% of the simulations at the willingness-to-pay threshold of CNY 72,100 (GDP per capita, US$ 10,300) per QALY. Therefore, CYP2C19 genotyping to guide antiplatelet therapy for acute minor strokes and high-risk TIAs is highly cost-effective in China.

Indexed as

AllelesChinaClopidogrelComputer SimulationCost-Benefit AnalysisCytochrome P-450 CYP2C19Decision TreesDouble-Blind MethodGenotypeHumansIschemic Attack, TransientMarkov ChainsNeurosciencesPlacebosPlatelet Aggregation InhibitorsPolymorphism, GeneticClopidogrelCYP2C19 protein, humanCytochrome P-450 CYP2C19PlacebosPlatelet Aggregation Inhibitors

Identifiers

PMID33795788
PMCPMC8016871
OpenAlexW3143278030

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.