- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT07698717
Prospective Catalystem CT-RSA
Multi-center, Non-controlled, Prospective CT-based Radiostereometric Analysis of Catalystem Primary Hip System
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Descrizione dettagliata
This study is designed as a prospective, multi-center, non-controlled study of subjects implanted with the CATALYSTEM™ Primary Hip System for primary Total Hip Arthroplasty (THA). Subjects will be enrolled and followed for 2 years post-operatively.
Radiostereometric analysis (RSA) is a tool to measure implant migration, originally developed in the 1970s. It is now well-established that early migration (micromotion) of implants with respect to bone is a predictor for later aseptic loosening. Traditional RSA used dual x-ray to estimate implant migration and has been standardized. CT-based methods (CT-RSA), which do not require metal reference beads have been developed since, and have been validated with equivalent results. International guidelines have since been updated to reflect this move to CT-RSA.
The primary objective is to establish the mean inferior stem migration (subsidence) of the CATALYSTEM™ stem using CT-RSA over the first two postoperative years.
Tipo di studio
Iscrizione (Stimato)
Fase
- Non applicabile
Contatti e Sedi
Contatto studio
- Nome: Sarah Tran
- Numero di telefono: 204-926-1231
- Email: stran@orthoinno.com
Backup dei contatti dello studio
- Nome: Shalini Hari Kumar
- Numero di telefono: 204-926-1232
- Email: skumar@orthoinno.com
Luoghi di studio
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Manitoba
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Winnipeg, Manitoba, Canada, R2K 2M9
- Orthopaedic Innovation Centre
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Investigatore principale:
- Thomas Turgeon, MD
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Sub-investigatore:
- Eric Bohm, MD
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Sub-investigatore:
- Colin Burnell, MD
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Contatto:
- Sarah Tran
- Numero di telefono: 204-926-1231
- Email: stran@orthoinno.com
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Sub-investigatore:
- Pakpoom Ruangsomboon, MD
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Sub-investigatore:
- Bryan Flynn, MD
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Sub-investigatore:
- Christopher Graham, MD
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Sub-investigatore:
- Elias Saidy, MD
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
- Adulto
- Adulto più anziano
Accetta volontari sani
Descrizione
Inclusion Criteria:
- Patient requires primary unilateral THA for a severely painful and/or disabled joint from osteoarthritis, traumatic arthritis, rheumatoid arthritis, avascular necrosis, or congenital dysplasia.
- Patients is at least 21 years old at the time of informed consent.
- Patient is able to read and comprehend the informed patient consent document and willing and able to provide informed patient consent for participation in the study and have authorized the transfer of his/her information for study purposes.
- Patient is able and willing to return for follow-up as specified by the study protocol.
- Patient is able and willing to complete the required questionnaires and patient-completed portions of the study protocol.
Exclusion Criteria:
- Patient requires implants other than the planned components or would not be a candidate for allowable components to be used (see 4) in the judgement of the surgeon.
- Patient is planned to have simultaneous bilateral hip arthroplasty
- Patient had contralateral hip arthroplasty less than 6 months prior to the day of surgery.
- Patient is expected to have contralateral hip arthroplasty in the following 6 months at the time of consent into this study.
- Patient has active local or systemic infection.
- Patient has amputations in either leg that would impact rehabilitation following surgery.
- Patient has loss of musculature, neuromuscular compromise or vascular compromise that would impact rehabilitation following surgery.
- Patient has poor bone quality, such as osteoporosis, where in the surgeon's opinion, there could be considerable migration of the prosthesis, or require additional fixation, or a significant chance of periprosthetic fracture, or the lack of adequate bone to support the implant(s).
- Patient has Charcot's or Paget's disease.
- Patient is pregnant or lactating.
- Patient is bedridden.
- Patient has participated in a clinical investigation with an investigational product (drug or device) in the last 3 months.
- Patient is currently involved in any personal injury litigation, medical-legal or worker's compensation claims.
- Patients is, in the opinion of the surgeon, a drug or alcohol abuser or has psychological disorder(s) that could affect their ability to complete patient-reported questionnaires or be compliant with follow-up requirements.
- Patient is diagnosed and taking prescription medications to treat a muscular disorder that limits mobility due to severe stiffness and pain such as fibromyalgia or polymyalgia.
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Trattamento
- Assegnazione: N / A
- Modello interventistico: Assegnazione di gruppo singolo
- Mascheramento: Nessuno (etichetta aperta)
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
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Altro: CATALYSTEM
CATALYSTEM Hip Replacement System
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Sistema primario dell'anca senza cemento CATALYSTEM per partecipanti con artroplastica totale dell'anca
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Migration - CATALYSTEM Stem
Lasso di tempo: 2 Years
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CT-RSA software (V3MA, Leiden, Netherlands) will be used for the analysis of CT images based on extracted 3-dimensional computer models of the Catalystem stem and surrounding bone from the images to represent the respective rigid bodies.
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2 Years
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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Subsidence - CATALYSTEM Stem
Lasso di tempo: 6 months and 1 Year
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RSA measured subsidence of the CATALYSTEM stem at 6 months and 1 year and to compared to literature values of other stems, using t-test where appropriate.
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6 months and 1 Year
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Other RSA measurements - CATALYSTEM stem
Lasso di tempo: 6 Weeks, 6 Months, 1 Year and 2 Years
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Other RSA measurements of the Emphasys Stem (X and Z translations in mm, X, Y, and Z rotations in degrees, and maximal total point motion in mm) at all time points.
These endpoints will be compared to literature values of other stems, using t-test where appropriate.
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6 Weeks, 6 Months, 1 Year and 2 Years
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Oxford Hip Score
Lasso di tempo: Pre-operative (baseline), 6 Weeks, 6 Months, 1 Year and 2 Years
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The Oxford Hip Score (OHS) is a patient self-administered 12-item questionnaire with each question having a Likaert-like response option.
Each item is scored from 0 to 4, and the items are summated, with lower total scores indicating poorer performance.
The OHS measures pain and general activities of daily living.
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Pre-operative (baseline), 6 Weeks, 6 Months, 1 Year and 2 Years
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Forgotten Joint Score (FJS-12)
Lasso di tempo: 6 Weeks, 6 Months, 1 Year and 2 Years
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Functional and health status will be measured with the Forgotten Joint Score (FJS-12).
The FJS total score range is 0-100, higher scores indicating the patient is able to forget the joint daily lower degree of joint awareness.
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6 Weeks, 6 Months, 1 Year and 2 Years
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European Quality of Life (EQ-5D-5L)
Lasso di tempo: Pre-operative (baseline), 6 Weeks, 6 Months, 1 Year and 2 Years
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EQ5D consists of 5 subscales; Mobility, Self-care, Usual activities, Pain/Discomfort and Anxiety / depression.
A health state score is obtained based on the responses from 1-5 in each subscale, from which a single index value is calculated representing patients' overall health state.
EQ5D includes a so called EQ VAS score which is the patients' self-rated health on a 20 cm vertical, visual analogue scale with endpoints labelled "the best health you can imagine" and "the worst health you can imagine".
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Pre-operative (baseline), 6 Weeks, 6 Months, 1 Year and 2 Years
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Patient Satisfaction (VAS)
Lasso di tempo: Pre-operative (baseline), 6 Weeks, 6 Months, 1 Year and 2 Years
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Evaluate and compare the change from preoperative to 2 years between the timepoints in patient-reported Satisfaction as measured using the visual analogue scale (VAS) from 0 (Unsatisfied) - 100 (Completely satisfied)
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Pre-operative (baseline), 6 Weeks, 6 Months, 1 Year and 2 Years
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Complication
Lasso di tempo: Pre-operative (baseline), 6 Weeks, 6 Months, 1 Year and 2 Years
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Evaluate the type and frequency of the complications/adverse events.
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Pre-operative (baseline), 6 Weeks, 6 Months, 1 Year and 2 Years
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Collaboratori e investigatori
Investigatori
- Investigatore principale: Thomas Turgeon, MD, University of Manitoba
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Primo Inserito (Effettivo)
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Altri numeri di identificazione dello studio
- #5179
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Prove cliniche su Artrosi dell'anca
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University Health Network, TorontoCanadian Institutes of Health Research (CIHR)ReclutamentoOsteoartrite del ginocchio | Osteoartrite dell'ancaCanada