Neuroanesthesia & neurocritical care

Valproic acid as adjuvant treatment for convulsive status epilepticus: a randomised clinical trial

Crit CarePublished Randomised controlled trial

Primary resultResult — go to the resultAdjusted relative risk 1.04 95% CI 0.89–1.19

Authors' conclusion

VPA added to the recommended strategy for adult GCSE is well tolerated but did not increase the proportion of patients hospital-discharged by day 15.

Study context

Population
Adults admitted to ICUs for de novo established generalised convulsive status epilepticus (GCSE), 16 French hospitals, 2013–2018; standard care of benzodiazepine and a second-line anti-seizure medicine (ASM) (except valproic acid (VPA))
Participants
244 adults · 16 French hospitals
Comparison
VPA vs placebo, added to standard stepwise care
  • VPAn = 126
  • Placebon = 118reference
Primary endpoint
Proportion of patients discharged from hospital by day 15
Follow-up
Day 15
Methodological detailsmulticentre, double-blind
  • Multicentre
  • Double-blind

Primary result

As reported in the abstract

Adjusted relative risk

1.04

95% CI 0.89–1.19

P = 0.58

Events by treatment group

VPA vs Placebo
adjusted RR 1.04 (95% CI 0.89–1.19); P = 0.58

Secondary outcomes

Seizure control, adverse events, cognition at day 90

No between-group differences for secondary outcomes

Original publication

Valproic acid as adjuvant treatment for convulsive status epilepticus: a randomised clinical trial. Crit Care. Published 9 January 2023. doi:10.1186/s13054-022-04292-7

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