Sepsis & infection

HA-330 hemoadsorption in septic shock requiring high-dose norepinephrine: a multicenter randomized controlled trial (CLEANSE)

Crit CarePublished Randomised controlled trial

  • terminated early at second pre-planned interim analysis

Authors' conclusion

In this randomized trial which was terminated early, adjunctive hemoadsorption with HA-330 in patients with septic shock requiring high-dose vasopressors did not statistically reduce 28-day mortality.

Study context

Population
Patients with septic shock requiring norepinephrine ≥ 0.2 mcg/kg/min at two tertiary care centres in Thailandplanned 206
Participants
128 patients
Comparison
HA vs ST
  • HAn = 63
  • STn = 65reference
Primary endpoint
28-day mortality
Follow-up
28 days
Methodological detailsmulticentre
  • Multicentre

Primary result

As reported in the abstract

day 28
Each group vs STEstimate (95% CI)P value
HA
RR 0.76(0.54–1.07)
P = 0.16
HA
HR 0.68(0.44–1.07)
P = 0.09

Further findings

OutcomeHR (95% CI)P value
28-day mortality, adjusted for IL-6 (log-transformed) and VIS at hour 0 (post-hoc Cox model) · post-hoc · post-hoc analysis0.62 (0.39–0.97)P = 0.037

Organ support-free days, shock reversal, vasopressor doses, inflammatory markers

No significant differences

Safety

Events

OutcomeHAST
Serious adverse events00

Original publication

HA-330 hemoadsorption in septic shock requiring high-dose norepinephrine: a multicenter randomized controlled trial (CLEANSE). Crit Care. Published 11 June 2026. doi:10.1186/s13054-026-06121-7

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