Title {1}	Comparison of the effect of combined usage of povidone-iodine irrigation and topical vancomycin powder to the use of povidone-iodine irrigation alone on the periprosthetic joint infection incidence rate in patients undergoing primary total hip and knee arthroplasty: a protocol for multicenter prospective randomized clinical trial
Trial registration {2a and 2b}	ClinicalTrials.gov Identifier: NCT05972603. Registered 2 August 2023, https://classic.clinicaltrials.gov/ct2/show/NCT05972603
Protocol version {3}	2 August 2023 Identifier: NCT05972603
Funding {4}	The study will get no external funding.
Author details {5a}	Michał Kułakowski1, Karol Elster1, Mateusz Szymczak1, Paweł Ślęczka2, Mariusz Baumgart3, Aleksandra Królikowska4, Paweł Reichert5 1Orthopaedic and Trauma Surgery Department, Independent Public Healthcare Center in Rypin, Rypin, Poland 2Trauma and Orthopedic Surgery Department, Independent Public Healthcare Center in Myslenice, Myslenice, Poland 3Department of Normal Anatomy, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Poland 4Ergonomics and Biomedical Monitoring Laboratory, Department of Physiotherapy, Faculty of Health Sciences, Wroclaw Medical University, Wroclaw, Poland 5Department of Orthopedics, Traumatology and Hand Surgery, Faculty of Medicine, Wroclaw Medical University, Wroclaw, Poland
Name and contact information for the trial sponsor {5b}	Not applicable as the study will get no external funding.
Role of sponsor {5c}	Not applicable as the study will get no external funding.