Sepsis & infection

TIGRIS and EUPHRATES eventually join and provide new evidence: a narrative review of the polymyxin B hemoperfusion

J Intensive CarePublished Narrative review

Authors' conclusion

These results support the targeted use of PMX-HP in a biomarker-defined subgroup

Study context

Population
Septic shock with intermediate endotoxin activity (EAA 0.60–0.89) and MODS > 9 (TIGRIS trial)evaluable, TIGRIS
Participants
151 participants
Comparison
Polymyxin B hemoperfusion vs control
Outcome
Survival benefit (posterior probability, Bayesian design)
Follow-up
28 days

Main finding

As reported in the abstract

28-day mortality (TIGRIS)

Adjusted OR for death

0.67

95.3% posterior probability of 28-day survival benefit

Adjusted relative risk

6.4%

28-day mortality (TIGRIS)

Further findings

OutcomeAdjusted OR
Mortality (TIGRIS) · 90 daysARR 17.4%0.54
Mortality (TIGRIS) — Posterior probability of benefit
> 99%
Mortality (TIGRIS) — NNT
8.1

Original publication

TIGRIS and EUPHRATES eventually join and provide new evidence: a narrative review of the polymyxin B hemoperfusion. J Intensive Care. Published 25 November 2025. doi:10.1186/s40560-025-00835-6

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