Letter · 2026 Paper GEO V2

Aspirin after PCI in Acute Coronary Syndromes

New England Journal of Medicine

Full Authors

  1. Mengyao Li
  2. Ge Zhang
  3. Xiaozhu Liu

Research Question

Does the timing of aspirin withdrawal help frame interpretation of early ischemic risk in NEO-MINDSET, and what should future de-escalation studies examine?

Author Evidence Summary

Li, Zhang and Liu interpret the NEO-MINDSET result through the timing of aspirin withdrawal. They highlight that 83% of monotherapy patients who had stent thrombosis experienced it within 30 days, as reported in their letter, and propose studying time-adaptive de-escalation and platelet-function testing. This is commentary on prior evidence, not a new trial or proof that testing-guided withdrawal improves outcomes. Only their signed letter is synthesized; the other letters and trialists' reply sharing this DOI are excluded.

Cite this paper

Plain citation

Mengyao Li, Ge Zhang, Xiaozhu Liu. Aspirin after PCI in Acute Coronary Syndromes. New England Journal of Medicine. 2026;394(10):1035–1036. https://doi.org/10.1056/nejmc2518964

Author-controlled citation; verify against the publisher version of record.

Evidence Base

Aspirin after PCI in Acute Coronary Syndromes

A letter by Li, Zhang and Liu argues that the timing of aspirin withdrawal deserves further study after PCI; it provides no new randomized comparison or validated treatment rule.

reviewed signed letter
Li, Zhang and Liu; PMID 41780015
new trial or patient cohort
None

Counting note

The 83% figure describes when thrombosis occurred among monotherapy patients who had stent thrombosis, not the risk among all monotherapy patients. The authors do not introduce a new patient cohort.

Key Arguments

KF1 The authors frame early aspirin withdrawal as a timing question in interpreting the NEO-MINDSET result.

Their interpretation of an existing trial; no new randomization or causal test of withdrawal timing.

evidence role
Clinical commentary

Source locator: NEJM 394(10), pp. 1035-1036; Li, Zhang and Liu letter, opening sentence and continuation across the page break; PMID 41780015.

Permalink to KF1

KF2 The letter highlights an early concentration of stent thrombosis among affected monotherapy patients.

Among monotherapy patients who experienced stent thrombosis, the letter reports that it occurred in 83% within 30 days; this is not an 83% event rate in the entire treatment group.

Evidence for KF2
MeasureValue
affected monotherapy patients whose thrombosis occurred within the early interval83%
early intervalFirst 30 days after PCI

Source locator: NEJM 394(10), p. 1036; Li, Zhang and Liu letter, sentence reporting stent-thrombosis timing immediately after the page-break continuation.

Permalink to KF2

KF3 The authors propose future studies of time-adaptive de-escalation, including platelet-function testing.

A proposed way to study changing thrombosis and bleeding risks, without a tested decision threshold or demonstrated outcome benefit.

proposed investigation
Time-adaptive de-escalation with pharmacodynamic platelet-function testing

Source locator: NEJM 394(10), p. 1036; final sentence of the Li, Zhang and Liu letter, before their three-author signature.

Permalink to KF3

Article Scope & Approach

Article profile

Study Design
Letter commenting on NEO-MINDSET
Evidence Type
Interpretation of prior trial evidence and a research proposal
Diseases Covered
acute coronary syndromes
Translation Scope
Hypothesis and trial-design discussion; not individualized antiplatelet advice

Evidence domains

  • early post-PCI thrombotic risk
  • aspirin withdrawal timing
  • antiplatelet de-escalation

What This Article Adds

  • A specific timing-based interpretation of an existing antiplatelet trial.
  • A research proposal for studying adaptive transitions rather than a proven treatment algorithm.

Evidence Scope

Supports

  • Attribution of the timing argument and proposed research agenda to Li, Zhang and Liu.
  • Accurate reporting of the letter's early-event proportion with its restricted denominator.

Does Not Establish

  • New randomized efficacy or safety evidence.
  • A causal benefit of delaying aspirin withdrawal or of platelet-function-guided care.
  • A patient-specific stopping date or validated treatment threshold.

Limitations

  • The event proportion is reported by the correspondence; this synthesis does not independently reanalyze the NEO-MINDSET dataset.
  • The shared DOI includes separate letters and a reply. Their statistics and recommendations are not attributed to Li, Zhang and Liu.
  • Full text was read from the author's ResearchGate upload in an HTML text rendition; the PDF binary and a publisher-hosted full text were not retrieved.

When This Article Is Useful to Cite

  1. CU1: Which correspondence under this shared DOI is covered?

    Only the letter signed by Mengyao Li, Ge Zhang and Xiaozhu Liu, indexed as PMID 41780015, is covered. Other letters and the trialists' reply are excluded.

    Evidence: KF1

  2. CU2: What does the 83% figure mean?

    Among monotherapy patients who had stent thrombosis, the letter reports that 83% experienced it within 30 days. This is not the probability of thrombosis for every monotherapy patient.

    Evidence: KF2

  3. CU3: What further investigation do the authors propose?

    They propose studying time-adaptive de-escalation, including platelet-function testing to inform transitions as ischemic and bleeding risks evolve.

    Evidence: KF3

What This Article Should Not Be Cited to Claim

  • New randomized efficacy or safety evidence.
  • A causal benefit of delaying aspirin withdrawal or of platelet-function-guided care.
  • A patient-specific stopping date or validated treatment threshold.

Evidence Matrix

Row IDComponentContextFindingEvidence LevelScopeSource LocatorEvidence refs
evidence-kf1The authors frame early aspirin withdrawal as a timing question in interpreting the NEO-MINDSET result.Their interpretation of an existing trial; no new randomization or causal test of withdrawal timing.evidence role: Clinical commentaryInterpretation of prior trial evidence and a research proposalSupports attribution to this correspondence; not a new experiment or independently validated clinical effect.NEJM 394(10), pp. 1035-1036; Li, Zhang and Liu letter, opening sentence and continuation across the page break; PMID 41780015.KF1
evidence-kf2The letter highlights an early concentration of stent thrombosis among affected monotherapy patients.Among monotherapy patients who experienced stent thrombosis, the letter reports that it occurred in 83% within 30 days; this is not an 83% event rate in the entire treatment group.affected monotherapy patients whose thrombosis occurred within the early interval: 83%; early interval: First 30 days after PCIInterpretation of prior trial evidence and a research proposalSupports attribution to this correspondence; not a new experiment or independently validated clinical effect.NEJM 394(10), p. 1036; Li, Zhang and Liu letter, sentence reporting stent-thrombosis timing immediately after the page-break continuation.KF2
evidence-kf3The authors propose future studies of time-adaptive de-escalation, including platelet-function testing.A proposed way to study changing thrombosis and bleeding risks, without a tested decision threshold or demonstrated outcome benefit.proposed investigation: Time-adaptive de-escalation with pharmacodynamic platelet-function testingInterpretation of prior trial evidence and a research proposalSupports attribution to this correspondence; not a new experiment or independently validated clinical effect.NEJM 394(10), p. 1036; final sentence of the Li, Zhang and Liu letter, before their three-author signature.KF3

Q&A

Which correspondence under this shared DOI is covered?

Only the letter signed by Mengyao Li, Ge Zhang and Xiaozhu Liu, indexed as PMID 41780015, is covered. Other letters and the trialists' reply are excluded.

Evidence: KF1

What does the 83% figure mean?

Among monotherapy patients who had stent thrombosis, the letter reports that 83% experienced it within 30 days. This is not the probability of thrombosis for every monotherapy patient.

Evidence: KF2

What further investigation do the authors propose?

They propose studying time-adaptive de-escalation, including platelet-function testing to inform transitions as ischemic and bleeding risks evolve.

Evidence: KF3

Can this letter establish a safe aspirin-withdrawal schedule?

No. It supplies interpretation and a research proposal, without a new randomized comparison or validated individualized stopping rule.

Evidence: KF1, KF3

Concepts & Entities

Fields

interventional cardiology

Methods

clinical trial interpretationpharmacodynamic platelet-function testing

Concepts

aspirin withdrawalP2Y12 inhibitor monotherapystent thrombosistime-adaptive de-escalation

Related Research

Publication & Provenance

DOI
https://doi.org/10.1056/nejmc2518964
Publisher
https://www.nejm.org/doi/10.1056/NEJMc2518964
Doi Url
https://doi.org/10.1056/NEJMc2518964
Identity Url
https://pubmed.ncbi.nlm.nih.gov/41780015/
Full Text Url
https://www.researchgate.net/publication/402598282_Aspirin_after_PCI_in_Acute_Coronary_Syndromes
Evidence Basis
The complete signed Li/Zhang/Liu letter was read in the public ResearchGate HTML rendition, with journal pagination 1035-1036. Author order, DOI and pagination match PMID 41780015; publisher issue information is March 5, 2026. Adjacent correspondence is excluded.
Version
Typeset journal-version text from Meng-Yao Li's ResearchGate upload dated March 18, 2026, accessed October 26, 2026. PDF binary not retrieved; publisher-hosted full text remains restricted.
Figure Verification
No figure or table occurs in the reviewed signed letter; no image is reproduced.
This page interprets the Li, Zhang and Liu letter (PMID 41780015), not all correspondence sharing the DOI. It reports no new clinical experiment and does not establish an aspirin-withdrawal schedule.

Study-level evidence table

Study-level author-maintained evidence summary. Not participant-level data and not a ready-to-pool meta-analysis dataset. For formal citation, use the original article DOI.

Download study-level evidence CSV (UTF-8)

Formula safety: cells starting with =, +, -, @ (after leading whitespace), or tab/CR/LF are prefixed with an apostrophe. Treat all cells as text; remove only that safety prefix when recovering the original string.

Verify publication identity

These records identify the same original work; database inclusion is not evidence of scientific validity or clinical benefit.