Randomised Arthroplasty Infection Worldwide Multidomain Adaptive Platform (ROADMAP) Trial

"Intervention 1: DAIR- cleaning of infected joint including irrigation, debridement and exchange of modular components (those not fixed to bone) with implant retention.~Intervention 2: Single stage revision - cleaning of infected joint including irrigation, removal and placement of definitive new components which could be primary or revision components."

"No intervention: Backbone antibiotic therapy only depends on the organism and is detailed in the protocol.~Intervention: Backbone antibiotic therapy plus rifampicin. Dosage 600-900mg per day orally for as long as oral antibiotic treatment continues, but not more than 12 weeks. Prescribed according to local recommended practices and dosed as per local therapeutic guidelines."

"Intervention Arm: Short course 6-week (42 +/- 7 days) antibiotic course - combined intravenous and oral with antibiotic choice according to organism and patient tolerability factors.~Intervention Arm: Long course 12- week (84 +/- 7 days) antibiotic course - combined intravenous and oral with antibiotic choice according to organism and patient tolerability factors."

"Intervention Arm: Extended prophylaxis for 12 weeks after the 2nd stage revision surgery.~Intervention Arm: No extended antibiotic prophylaxis after the 2nd stage revision surgery.~Antibiotic choice by treating team with reference to the original causative organism(s), susceptibility and patient tolerability."