Actively Recruiting

Phase Not Applicable
Age: 18Years +
All Genders
ID05679232

Randomized Controlled Study to Assess Safety and Performance of MectaShield Hydrogel Coating to Reduce Infection After Cementless Revision Hip Arthroplasty

Led by Medacta International SA · Updated on 2025-05-11

56

Participants Needed

1

Research Sites

39 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Researchers are evaluating the safety and early clinical performance of MectaShield, a hydrogel coating designed to prevent infections after cementless revision hip arthroplasty. This randomized, controlled, single-blind study aims to determine whether the coating affects implant stability and to assess clinical outcomes, rates of infection, and any adverse events. The study addresses the serious issue of peri-prosthetic joint infection (PJI), a common cause of joint replacement failure that can lead to repeated surgeries and prolonged hospital stays. Participants will undergo cementless revision hip arthroplasty, with half receiving the MectaShield hydrogel coating applied to the surfaces of the orthopedic implants during surgery, while the control group will have surgery without the coating. The coating acts as a protective barrier against bacterial adhesion. The study includes two groups randomized equally, and follow-up visits are scheduled at 3 and 12 months after surgery to monitor implant stability, infection signs, and functional outcomes. During the study, participants will have clinical and functional assessments before and after surgery, with radiological evaluations to check implant stability and positioning. Infection will be monitored using established scoring systems and consensus guidelines. Researchers will track adverse events and device performance throughout the 12-month follow-up. The main outcome is stem subsidence at 3 months, with additional measurements and evaluations at 12 months to assess longer-term safety and effectiveness.

CONDITIONS

Brief Title

Hydrogel Coating to Reduce Post-surgical Infection After Joint Arthroplasty

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Signed informed consent
  • Male or female aged over 18 years at time of surgery
  • Scheduled for conical collarless cementless revision hip arthroplasty, with or without acetabular cup revision
  • Willing to follow pre- and post-operative evaluation schedule
Not Eligible

You will not qualify if you...

  • Medical conditions that contraindicate use of implants in this study
  • Immune suppressive treatment for organ transplantation
  • Known allergy to MectaShield hydrogel components (Chitlac, Mannitol, Hydroxypropylmethylcellulose, Sodium phosphate dibasic)
  • Progressive local or systemic infection at surgery time
  • Medical problems compromising recovery to independent mobility
  • Coexisting spine, hip, ankle, or contralateral knee conditions affecting walking
  • Inability to understand and act appropriately
  • Undergoing emergency cementless revision hip arthroplasty

AI-Screening

AI-Powered Screening

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person)

Surgery and Immediate Post-operative Care

Duration - Day of surgery

Participants undergo cementless revision hip arthroplasty with or without the hydrogel coating applied to the implant's surfaces during surgery.

1 visit (in-person)

Post-operative Follow-up

Duration - Up to 12 months

Participants are followed to assess clinical and functional outcomes, implant stability, signs of infection, and any adverse events or device deficiencies.

2 visits at 3 and 12 months (in-person)

Trial Site Locations

Total: 1 location

1

Orthopädisches Spital Speising GmbH

Vienna, Austria, 1130

Actively Recruiting

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Research Team

M

Marco Viganó, PhD

How is the study designed?

Study Type

INTERVENTIONAL

Masking

SINGLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

PREVENTION

Number of Arms

2

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