Pain medicine

Renal Adverse Events Associated With Ibuprofen Treatment After Hip and Knee Arthroplasties— A Protocol for the Preplanned Substudy of the PERISAFE Trial

Acta Anaesthesiol ScandPublished Protocol for a preplanned substudy of the PERISAFE randomised controlled trial

Study context

Population
Patients undergoing hip or knee arthroplastyplanned
Participants
2,904 patients
Planned comparison
Ibuprofen vs Placebo
Primary endpoint
Number of patients with renal dysfunction according to RIFLE criteria Level 1-5
Follow-up
any point during the 90-day follow-up
Methodological detailsplacebo-controlled, blinded, multicentre, Powered at 86.3% to detect or discard a 40% relative risk reduction, assuming an incidence of acute renal injury of 6.2%
  • Placebo-controlled
  • Blinded
  • Multicentre
  • Powered at 86.3% to detect or discard a 40% relative risk reduction, assuming an incidence of acute renal injury of 6.2%

No results yet. This paper sets out the design of a trial; its results are to come.

Original publication

Renal Adverse Events Associated With Ibuprofen Treatment After Hip and Knee Arthroplasties— A Protocol for the Preplanned Substudy of the PERISAFE Trial. Acta Anaesthesiol Scand. Published 12 March 2026. doi:10.1111/aas.70218

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