ArticleToxicological sciences : an official journal of the Society of Toxicology2024
Short-term treatment with cholestyramine increases long-acting anticoagulant rodenticide clearance from rabbits without affecting plasma vitamin K1 levels or blood coagulation.
Article in Toxicological sciences : an official journal of the Society of Toxicology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 5 citations in OpenAlex.
- The long-acting anticoagulant rodenticide brodifacoum induces neuropathology in adult New Zealand White rabbits and is reduced by the bile sequestrant cholestyramine.Neurotoxicology · 2026Article
- Evaluating the real-world safety of cholestyramine for the treatment of hyperlipidemia: disproportionality analysis of FAERS data.Frontiers in medicine · 2026Article
- Effects of Long-Acting Anticoagulant Rodenticides on Rabbit Plasma Extracellular Vesicles.ACS omega · 2025Article
- Alterations in the cecal microbiome of New Zealand White rabbits due to the long-acting anticoagulant rodenticide brodifacoum.Toxicology communications · 2025Article
Corrections and comments
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Authors and funding
11 authors at 2 institutions in 1 country.
Funding
Abstract
Administration of high-dose vitamin K1 (VK1) overcomes coagulopathy and bleeding elicited by acute poisoning with long-acting anticoagulant rodenticides (LAARs). However, long-term (months) treatment is required due to long LAAR biological half-lives that may lead to poor compliance and recurrent coagulopathy. The half-lives of LAARs are extended by slow metabolism, and similar to warfarin, are thought to undergo enterohepatic recirculation. We now show that treatment with the bile acid sequestrant cholestyramine (CSA) administered concomitantly with VK1 decreases plasma LAAR levels and increases LAAR fecal excretion. Daily CSA treatment for 14 days did not reduce plasma VK1 levels, or increase prothrombin time. Collectively, these data show that CSA accelerates LAAR clearance from rabbits without adverse effects on VK1 anticoagulation, and could provide an additional therapeutic option for treatment of LAAR poisoning.
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Registered trials
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