Artificial Liver Support Effectively Removes Immunosuppressive Bile Acids From Circulation in Patients With Severe Liver Failure: A Proof of Concept Study

Q: What does this research mean for the field?

Artificial liver support systems, specifically open albumin dialysis (OPAL) and the Molecular Adsorbent Recirculating System (MARS), effectively remove immunosuppressive bile acids from circulation and reduce TGR5 activation in patients with severe liver failure. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.ESTABLISHES_NEW_DIRECTION.

Julia Leonhardt; H H Schmidt; Sebastian Koball; Matthias Dollinger; C Wilms; Sophie Neugebauer; Julia Kunze; Michael Kiehntopf; M. Hinz; Johanna Backhus; Jörg Henschel; Sebastian Klammt; Christoph Sponholz; Adrian Dominik; S Mitzner; J. Stange; Michael Bauer; Andreas Kortgen

doi:10.1097/cce.0000000000001419

Key Points

This study aims to evaluate the effectiveness of artificial liver support systems in removing immunosuppressive bile acids from the circulation of patients with severe liver failure.
Proof of concept, multicenter study in Germany.
Patients with severe liver failure received one session of MARS or OPAL for 8 hours, followed by crossover to the other treatment the next day.
Bilirubin, total and individual bile acids, albumin function, and TGR5 activation were measured before and after treatment sessions.
OPAL removed protein-bound lipophilic bile acids more effectively than MARS, improving albumin function.
TGR5 activation was reduced by 60% with OPAL compared to 39% with MARS (median values, p = 0.051).
Both treatments significantly removed bilirubin and bile acids from circulation.

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Implication

Proof of concept study investigates bile acid removal in patients with severe liver failure, indicating potential for improved outcomes.

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Cite This Study

Leonhardt et al. (2026) studied this question.

synapsesocial.com/papers/6a265ca8ad53cfb9357c5dfb https://doi.org/10.1097/cce.0000000000001419

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Artificial Liver Support Effectively Removes Immunosuppressive Bile Acids From Circulation in Patients With Severe Liver Failure: A Proof of Concept Study

Key Points

No abstract yet

Implication

Discussion

Cite This Study

Artificial Liver Support Effectively Removes Immunosuppressive Bile Acids From Circulation in Patients With Severe Liver Failure: A Proof of Concept Study

Key Points

No abstract yet

Implication

Discussion

Cite This Study

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