Painful Total Knee Replacement (TKA) and I-one Therapy
Multicenter Prospective Observational Study in Patients With Painful Total Knee Replacement and I-one Therapy
1 other identifier
observational
237
1 country
7
Brief Summary
Arthroplasty operations are very frequent and their number is constantly increasing. The success of prosthetic surgery is linked to surgical factors (prosthesis type, prosthesis design, prosthesis material, surgical hand) and 'biological' factors (inflammation, pain, oedema, impingement). It is well known that important functional limitations may result mainly from an overreaction involving the peri-articular tissues. This is particularly true after total knee arthroplasty (TKA) surgery, during which a large part of the bone tissue and part of the peri-articular tissues (joint capsule, ligaments, synovium) are dislodged or removed. In the days following arthroplasty operations, the presence of a strong local inflammatory component is associated with pain and functional limitation, which usually resolves within a few months; however, it can sometimes take longer, and sometimes result in a chronic, albeit modest, inflammatory condition that lasts for years. There is still a percentage of 11-25% of patients who remain not completely satisfied with the result achieved with prosthetic surgery . Baker et al. state that 19.8% of patients experience pain one year after arthroplasty . Beswick et al. report that many patients (10-34%) continue to experience significant pain and functional limitation after arthroplasty even years later.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Oct 2020
Longer than P75 for all trials
7 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
October 22, 2020
CompletedFirst Submitted
Initial submission to the registry
March 19, 2024
CompletedFirst Posted
Study publicly available on registry
March 26, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 21, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
October 21, 2025
CompletedMarch 28, 2024
March 1, 2024
5 years
March 19, 2024
March 26, 2024
Conditions
Outcome Measures
Primary Outcomes (1)
Evaluate pain resolution after treatment with I-ONE® therapy in patients with painful TKA at least 1 month after surgery.
Visual analogue scales (VAS, 0 is the minimum and 10 is maximum values) are psychometric measuring instruments designed to document the characteristics of disease-related symptom severity in individual patients and use this to achieve a rapid classification of symptom severity and disease control.
baseline, 30 days, 60 days, 180 days, 1 year, 2 years
Secondary Outcomes (2)
reduced NSAID intake
baseline, 30 days, 60 days, 180 days, 1 year, 2 years
improved recovery of joint function
baseline, 30 days, 60 days, 180 days, 1 year, 2 years
Study Arms (1)
Painfull TKA
Pulsed electromagnetic field therapy
Interventions
Eligibility Criteria
outpatients, orthopaedic clinic
You may qualify if:
- informed consent
- painful total knee replacement at least 30 ± 3 days post-op up to a maximum of 180 ± 3 days post-op
- VAS ≥ 5
- absence of infection
You may not qualify if:
- pain caused by mechanical problems (misalignment, mobilisation, etc.),
- the presence of hip prostheses,
- previous knee infections,
- rheumatoid arthritis
- autoimmune diseases
- systemic diseases
- tumours
- major axial deviations
- obesity (BMI \> 30 kg/m2).
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (7)
IRCCS Istituto Ortopedico Rizzoli
Bologna, BO, Italy
Poliambulanza Brescia
Brescia, BS, Italy
Policlinico San Matteo Pavia
Pavia, PV, Italy
Ospedale Mauriziano Torino
Torino, TO, Italy
Ospedale Sacro Cuore Don Calabria Negrar Verona
Negrar, VR, Italy
Policlinico di Bari
Bari, Italy
Ospedale Santo Spirito in Sassia/Ospedale San Filippo Neri Roma
Roma, Italy
Study Officials
- PRINCIPAL INVESTIGATOR
Leo Massari, MD
Azienda Ospedaliera-Universitaria Arcispedale S. Anna di Ferrara
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- MD
Study Record Dates
First Submitted
March 19, 2024
First Posted
March 26, 2024
Study Start
October 22, 2020
Primary Completion
October 21, 2025
Study Completion
October 21, 2025
Last Updated
March 28, 2024
Record last verified: 2024-03