Organ support & nutrition

Sodium Bicarbonate for Severe Metabolic Acidemia and Acute Kidney Injury: The BICARICU-2 Randomized Clinical Trial

JAMAPublished Randomised controlled trial

Primary resultResult — go to the resultAbsolute difference 0.4 95% CI −7.2 to 8.0

Authors' conclusion

For patients with severe metabolic acidemia and moderate to severe acute kidney injury, intravenous sodium bicarbonate did not affect mortality.

Study context

Population
Adults with severe metabolic acidemia (pH ≤7.20) and moderate to severe AKI in 43 French ICUs627 analysed
Participants
640 adults
Comparison
IV sodium bicarbonate infusion vs no sodium bicarbonate
  • Bicarbonaten = 314
  • Controln = 313reference
Primary endpoint
All-cause mortality
Follow-up
Day 90
Methodological detailsopen-label, multicentre
  • Open-label
  • Multicentre

Primary result

As reported in the abstract

Absolute difference

0.4

95% CI −7.2 to 8.0

P = 0.91

Events by treatment group

Bicarbonate vs Control
absolute difference 0.4 (95% CI −7.2 to 8.0); P = 0.91

Secondary outcomes

OutcomeBicarbonateControlAbsolute difference (95% CI)
Kidney replacement therapy use35%50%−15.5 (−23.1 to −7.8)

Day 28 and day 180 all-cause mortality

No evidence of a group effect

Other secondary outcomes

No evidence of a group effect

Safety

Adverse events

No evidence of a group effect

Original publication

Sodium Bicarbonate for Severe Metabolic Acidemia and Acute Kidney Injury: The BICARICU-2 Randomized Clinical Trial. JAMA. Published 9 December 2025. doi:10.1001/jama.2025.20231

Composed by AI from the published abstract and checked against it. How Briefs are made →

Get them every week

New studies on this topic in My Week and in your Monday e-mail.

We e-mail you a sign-in link and a code. No password, no spam.