Letter · 2026 Deep GEO

Recording results from single-patient trials

Science

Full Authors

  1. Ge Zhang
  2. Honglin Zheng
  3. Qiang Li
  4. Taiqi Zhao
  5. Teng Li

Cite this paper

Plain citation

Ge Zhang, Honglin Zheng, Qiang Li, Taiqi Zhao, Teng Li. Recording results from single-patient trials. Science. 2026;394(6819):38–39. https://doi.org/10.1126/science.aek9583

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

Evidence Base

Recording results from single-patient trials

This Science Letter argues that public trial registries and preclinical publications should retain a current, linked account of directly related human protocols and major outcomes in individualized genetic therapies. It proposes reporting practices, rather than presenting a new clinical trial or establishing treatment causality.

Publication genre
Letter
Evidence basis
Narrative argument and contextual citations
New empirical evaluation
None reported in this Letter

Counting note

Single-patient describes the research context discussed in the Letter. It is not an observed n=1 dataset produced by these authors; no sample total is assigned.

Research Question

How should public records preserve major human outcomes when individualized genetic therapy research involves a single patient?

Author Evidence Summary

The Letter responds to previously reported individualized base-editing research and a public registry entry that, according to the Letter, remained out of date after the reported participant death. The authors argue that an individual outcome may constitute the available human evidence in a single-patient study, making a current public record important to families, clinicians, ethics committees and other researchers. They distinguish confidential or regulatory safety reporting from public trial registries and journal publications. Their proposals include disclosure of directly related human protocols in preclinical submissions, updating those disclosures before acceptance, recording treatment-emergent deaths and life-threatening events separately from causal assessment, linking preclinical papers with trial records, and adding dated notices when major human outcomes occur after publication. These are the Letter's reporting and governance arguments, not a newly conducted experiment, demonstrated clinical benefit or determination of responsibility.

Key Arguments

KF1 Keep directly related human protocols and major outcomes current in public registries.

The opening paragraph contrasts the previously reported human outcome with the registry and preclinical publication as described by the Letter. This is an attributed reporting-gap example, not an independently reconstructed clinical investigation.

Argument
Preserve the public translational record

Source locator: Print p. 38, right column, Letter paragraph 1

Permalink to KF1

KF2 Treat a current public record as consequential when an individual outcome may be the available human evidence.

The authors explain why families, clinicians, ethics committees and other researchers may rely on a registry when considering continued human testing and emerging risks.

Argument
Single-patient evidence visibility

Source locator: Print p. 38, right column, paragraph 2, continuing at p. 39, left column

Permalink to KF2

KF3 Distinguish safety reporting to oversight bodies from the publicly accessible account of translation.

Safety reports, registries and journal articles serve different purposes and update on different schedules; a report reaching regulators or ethics committees does not by itself ensure that public records are current.

Argument
Different reporting channels and schedules

Source locator: Print p. 39, left column, Letter paragraph 3

Permalink to KF3

KF4 Coordinate protocol disclosure, serious-outcome reporting, cross-links and dated publication updates.

The authors propose disclosure of directly related human protocols before preclinical paper acceptance, registry fields for treatment-emergent deaths and life-threatening events, separation of event occurrence from suspected or confirmed causality, cross-links between records, and dated notices after publication.

Argument
Proposed public reporting practices

Source locator: Print p. 39, left column, Letter paragraph 4; reference 3 provides the cited registration-standard context

Permalink to KF4

KF5 Use public notices to preserve the human experience without assigning blame or settling causality.

The concluding paragraph sets an explicit boundary: the reporting proposals connect claims of clinical promise to subsequent human experience, while leaving causal and responsibility determinations unresolved.

Boundary
Reporting is distinct from causal attribution

Source locator: Print p. 39, left column, Letter paragraph 5, immediately before the author line

Permalink to KF5

Article Scope & Approach

Article profile

Study Design
Science Letter presenting a reporting and governance argument using a previously reported case and three cited sources; no new clinical trial or systematic evidence synthesis.
Evidence Type
Author argument and reporting proposals in a published Letter, with contextual references to prior reporting, a trial registry, preclinical research and WHO registration standards.
Diseases Covered
Individualized genetic therapies (discussion context)
Translation Scope
Public documentation and linkage of translational research records; the Letter does not test a therapy or quantify whether its proposed reporting practices improve patient outcomes.

Evidence domains

  • Public clinical trial records
  • Preclinical-to-human research disclosure
  • Major human outcome reporting
  • Individualized genetic therapy governance

What This Article Adds

  • A reporting argument tailored to individualized research where a public entry can represent the available human experience.
  • A proposed connection between preclinical manuscripts, human protocols, registry updates and later publication notices.
  • An explicit distinction between documenting serious events and determining causality or responsibility.

Evidence Scope

Supports

  • Citation of the authors' rationale for current, linked public records in individualized genetic therapy research.
  • Discussion of proposed disclosure and serious-outcome reporting practices.
  • The distinction between event occurrence, causal assessment and responsibility.

Does Not Establish

  • A new clinical trial or a clinical dataset generated by the Letter's authors.
  • The safety, efficacy or causal effect of an individualized genetic therapy.
  • A quantitative reduction in reporting gaps or improved patient outcomes from the proposals.
  • An independent adjudication of the reported case, blame or legal responsibility.

Limitations

  • The Letter is a narrative argument, not an original clinical study, systematic review or evaluation of its proposed reporting practices.
  • The reported case and registry situation are attributed to the Letter and its cited sources; this page does not independently reconstruct the case or assert that the registry still has the same status today.
  • The cited preclinical paper is contextual prior research; its experiments and results are not evidence newly produced by this Letter.
  • Clinical effectiveness, causal attribution and legal responsibility require evidence beyond the Letter.
  • The complete Letter was reviewed from local publisher print-page images. Those pages include neighboring Letters, which were excluded from this evidence layer.

When This Article Is Useful to Cite

  1. CU1: Why should individualized genetic therapy research retain current public human-outcome records?

    Cite the Letter's reporting rationale and the consequences of limited human evidence, with the discussed case attributed to prior sources.

    Evidence: KF1, KF2

  2. CU2: Which reporting practices does the Letter propose for preclinical-to-human research?

    Cite the proposed disclosure, registry, linking and notice practices; implementation effectiveness was not measured.

    Evidence: KF3, KF4

  3. CU3: How does the Letter distinguish outcome documentation from causal attribution?

    Cite its explicit reporting boundary, without treating the Letter as a safety or responsibility adjudication.

    Evidence: KF5

What This Article Should Not Be Cited to Claim

  • A new n=1 clinical trial conducted by these authors.
  • Treatment efficacy, quantified safety or a causal determination about the reported death.
  • Demonstrated improvement from a registry intervention or an established legal obligation.
  • Arguments contained in the neighboring Letters on the same print pages.

Evidence Matrix

Row IDComponentContextFindingEvidence LevelScopeSource LocatorEvidence refs
evidence-science-recordsCurrent public recordsReported registry-publication gap, attributed to the Letter and its cited sources.Keep directly related human protocols and major outcomes current in public registries.Letter argumentReporting rationale, not an independent clinical investigation.Print p. 38, right column, Letter paragraph 1KF1
evidence-science-visibilityHuman evidence visibilityReaders may rely on the public entry when only an individual outcome is available.Treat a current public record as consequential when an individual outcome may be the available human evidence.Letter argumentEvidence visibility, not a new cohort or clinical sample.Print p. 38, right column, paragraph 2, continuing at p. 39, left columnKF2
evidence-science-channelsReporting channelsOversight reports and public records can update on different schedules.Distinguish safety reporting to oversight bodies from the publicly accessible account of translation.Letter argumentReporting-channel distinction, not a quantified audit.Print p. 39, left column, Letter paragraph 3KF3
evidence-science-proposalsCoordinated updatesProposals connect protocol disclosure, serious outcomes, registry links and later notices.Coordinate protocol disclosure, serious-outcome reporting, cross-links and dated publication updates.Letter proposalProposed practices, not tested effectiveness or treatment causality.Print p. 39, left column, Letter paragraph 4; reference 3 provides the cited registration-standard contextKF4
evidence-science-boundaryCausality boundaryThe conclusion sets limits on what public notices establish.Use public notices to preserve the human experience without assigning blame or settling causality.Explicit Letter boundaryDocumentation of experience, not adjudication.Print p. 39, left column, Letter paragraph 5, immediately before the author lineKF5

Q&A

What public-record problem does this Science Letter address?

The authors describe a gap between a previously reported human outcome and the registry or preclinical publication, and argue that directly related human protocols and major outcomes should remain visible in current public records. The case is contextual evidence from other sources, not a new study in this Letter.

Evidence: KF1

Why can an outdated registry matter in single-patient research?

An individual outcome may be the available human evidence. The Letter argues that families, clinicians, ethics committees and other researchers can rely on the public entry when judging continued testing and emerging risks.

Evidence: KF2

Does reporting to regulators ensure that the public record is updated?

The Letter distinguishes safety reports, trial registries and journal articles because their purposes and update schedules differ. Clinical information reaching an oversight body can still be absent from the public account of translation.

Evidence: KF3

Which changes do the authors propose for registries and preclinical papers?

They propose disclosure and updating of directly related human protocols before preclinical manuscript acceptance, reporting of treatment-emergent deaths and life-threatening events separately from causal assessment, links between preclinical papers and trial records, and dated notices for major later human outcomes.

Evidence: KF4

Does this Letter establish treatment causality or assign responsibility?

No. Its conclusion explicitly separates documenting subsequent human experience from assigning blame or settling causality. Its proposals concern reporting and governance, with no new clinical experiment or quantified treatment effect.

Evidence: KF5

Concepts & Entities

Research Governance

Public trial registryHuman protocol disclosureTranslational record linkageDated publication notice

Evidence Boundaries

Single-patient research contextTreatment-emergent event reportingEvent occurrence versus causality

Related Research

Publication & Provenance

DOI
https://doi.org/10.1126/science.aek9583
Publisher
https://www.science.org/doi/10.1126/science.aek9583
PubMed
https://pubmed.ncbi.nlm.nih.gov/42821669/
Review Basis
Complete Letter reviewed in local publisher print-page images for pages 38-39; exact title, all five authors, DOI, print date and references matched to PubMed, Crossref and publisher identity. Only this Letter's columns were used.
Source Version
Published print pages, Science 394(6819):38-39, 1 October 2026. Page-image download watermark identifies science.org via Shanghai Jiao Tong University on 2 October 2026. Source hashes and paragraph locators are retained in SCIENCE_GOLD_STANDARD.json; the copyrighted full pages are not redistributed by this site.
This page describes a Letter. Key Arguments and Q&A summarize the complete published Letter on print pages 38-39. The reported case and cited preclinical research belong to other sources. No clinical sample size, treatment effect or causal conclusion is assigned to this Letter.

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.