e-ISSN: Pending
Negative / Null Result ReportOpen accessMedicine

Association between alpha 1-antitrypsin levels and intracranial aneurysms: a case-control study.

Rosi Júnior J; Telles JPM; Santana LS; Bassan JL; Giraldo JP; Rabelo NN; Figueiredo EG · 2026 · Arquivos de neuro-psiquiatria

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)

Background Alpha 1-antitrypsin (A1AT) helps maintain vascular-wall integrity, but its role in the formation and rupture of intracranial aneurysms is unclear. Objective To compare A1AT levels between patients with ruptured and unruptured…

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Metadata source: Europe PMC · DOI 10.1055/s-0046-1820525