e-ISSN: Pending
Negative / Null Result ReportOpen accessMedicine

Pharmacokinetic Evaluation of a Cinnamon Product on CYP2A6 Substrate Drugs: Application of a Novel Tool Involving the Nicotine Metabolite Ratio.

Nguyen AP; Hadi DL; Todd DA; Manwill PK; White JR; Layton ME; Cech NB; Thummel KE · 2026 · Clinical pharmacology and therapeutics

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)

Cinnamon (Cinnamomum spp.) is used as a culinary spice and dietary supplement. A major constituent, cinnamaldehyde, was previously shown to inactivate cytochrome P450 (CYP) 2A6 in vitro. A mechanistic static model predicted an ~5-fold…

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Metadata source: Europe PMC · DOI 10.1002/cpt.70218