Negative / Null Result ReportMedicine

After successful catheter ablation for AF, rivaroxaban did not reduce a composite of stroke or systemic embolism vs. aspirin at 36 mo.

Dodd TS; Borzak S · 2026 · Annals of internal medicine

WASTE classifies this as Negative / Null Result Report · AI classification, approximate

The study found no significant effect — useful as a negative control or null benchmark for your own design.

Abstract (excerpt)

Clinical impact ratings GIM/FP/GP: [Formula: see text] Cardiology: [Formula: see text] Hematology: [Formula: see text].

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WASTE indexes this work — it does not host or republish it. Failure-type classification is automated and approximate.

Metadata source: Europe PMC · DOI 10.7326/annals-25-05629-jc