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NCT02695368: EPOS

The Effect of Plasma-air-filtration on the Incidence of Surgical Site Infections in Orthopaedic Surgery

Completed NA Last updated 24 June 2022
What this trial tests

NA trial testing Novaerus NV800 on in Orthopaedic Surgery (30 Minutes or Longer) in 45,000 participants. Completed in 31 December 2021.

Timeline
10 April 2017
Primary endpoint
31 December 2021
31 December 2021

Quick facts

Lead sponsorKarolinska Institutet
PhaseNA
StatusCompleted
Study typeINTERVENTIONAL
Allocationrandomized
Designparallel
Maskingtriple
Primary purposeprevention
Enrollment45,000
Start date10 April 2017
Primary completion31 December 2021
Estimated completion31 December 2021
Sites1 location across Sweden

Drugs / interventions tested

Conditions studied

Sponsor

Karolinska Institutet

Who can join

Eligibility, any sex, with Orthopaedic Surgery (30 Minutes or Longer). Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

The study is a multicenter, double-blind, randomized, controlled trial conducted at six major university and teaching hospitals with a catchment population of approximately 2 million. In the current study it has been hypothesized that a non-invasive air cleaner utilizing a plasma chamber can significantly reduce the incidence of surgical site infections (SSIs).

Publications & conference data

3 peer-reviewed publications reference this trial (live from Europe PMC):

  1. Gas Plasma Technology-An Asset to Healthcare During Viral Pandemics Such as the COVID-19 Crisis?
    Bekeschus S, Kramer A, Suffredini E, von Woedtke T, et al · · 2020 · cited 15× · PMID 34192214 · DOI 10.1109/trpms.2020.3002658
  2. EPOS trial: the effect of air filtration through a plasma chamber on the incidence of surgical site infection in orthopaedic surgery: a study protocol of a randomised, double-blind, placebo-controlled trial.
    Persson A, Atroshi I, Tyszkiewicz T, Hailer N, et al · · 2022 · cited 3× · PMID 35115346 · DOI 10.1136/bmjopen-2020-047500
  3. Effect of Plasma Air Purifiers on Infection Rates in Orthopedic Surgery.
    Persson A, Atroshi I, Tyszkiewicz T, Hailer NP, et al · · 2025 · PMID 40130977 · DOI 10.1056/evidoa2400289

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Trials by the same sponsor.

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