CapFlex PIP Implant RSA

Status Recruiting

Clinical Trial Summary

Rationale: Patients with osteoarthrtis (OA) of the proximal interphalangeal (PIP) joint are commonly treated with joint arthroplasty. The CapFlex PIP implant is a modular surface replacing implant, which has good short-term functional results with a relatively low complication rate. To reduce implant failure and to increase long-term survival, it is important to expand knowledge about fixation and loosening patterns. By using model-based roentgen stereogrammaetric analysis (mRSA), the migration pattern of the implant over time can be calculated. Objective: The primary objective is to assess the fixation and migration patterns of the CapFlex PIP implant system (produced and developed by several companies of KLS Martin Group) in vivo, using mRSA, over 10 years. Secondary objectives are to analyse survival, clinical scores and radiographic aspects of the CapFlex PIP implant system. Study design: A prospective cohort study with 10 years follow-up, in which 36 patients will be enrolled. Patients will be evaluated preoperatively, at 6 weeks, 6 months, 1 year, 2 years 5 years and 10 years. Study population: Patients 18 years or older who require a proximal interphalangeal joint arthroplasty as a result of osteoarthritis of a proximal interphalangeal joint. Main study parameters/endpoints: The main study parameters are the migration of the CapFlex PIP implant system of the distal as well as the proximal component (presented in x-, y- and z-direction). Secondary study parameters are the survival of the CapFlex PIP implant system, clinical scores and radiographic aspects. Nature and extent of the burden and risks associated with participation, benefit and group relatedness: Patients participating in the study will have the same risks when not participating in the study. Patients are asked to spend time to fill in the questionnaires and to have 3 extra visits to the hospital, next to the standard visits. Patients will have more follow up visits and will be followed using RSA analysis, which has as advantage that possible complications might be noticed earlier compared to normal follow up.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05484089
Study type	Observational
Source	Reinier Haga Orthopedisch Centrum
Contact	N.M.C. Mathijssen
Phone	079 - 206 5595
Email	Onderzoek@rhoc.nl
Status	Recruiting
Phase
Start date	October 25, 2023
Completion date	October 2035

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

CapFlex PIP Implant RSA — Capflex RSA

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms