A Physical Therapist Administered Physical Activity Intervention After

Status Completed

Clinical Trial Summary

Background: The definitive treatment for knee osteoarthritis is Total Knee Replacement (TKR), which results in clinically meaningful improvements in pain and physical function. However, evidence suggests that physical activity remains unchanged after TKR. This randomized clinical trial is investigating the efficacy, fidelity, and safety of a physical therapist administered physical activity intervention for people after TKR. Methods/Design: One hundred and twenty-five individuals, over the age of 45, who seek outpatient Physical Therapy (PT) following a unilateral TKR will be randomized into a control and intervention group. The intervention group will receive a weekly physical activity intervention during PT, which includes a FitbitTM monitor, individualized step goals, and face-to-face feedback provided by the physical therapist. Efficacy of the intervention will be measured by minutes/week spent in Moderate-to-Vigorous Physical Activity (MPVA) using an Actigraph GT3X monitor from enrollment to discharge, 6 months and 12 months from discharge from PT. The association of self-efficacy for exercise and kinesiophobia with physical activity will also be measured at the same time points. Fidelity and safety of the intervention will be assessed during outpatient PT. Discussion: This study is designed to fill a critical clinical need to increase physical activity after TKR. The primary objective of the study is to evaluate the efficacy of a physical therapist administered physical activity intervention for people after TKR. The secondary objectives are to evaluate the fidelity and safety of a physical therapist administered physical activity intervention for people after TKR and to investigate changes in self-reported and performance-based physical function after a physical therapist administered physical activity intervention for people after TKR. The tertiary objective is to explore the association of psychosocial factors with physical activity 6 and 12 months after discharge from a physical therapist administered physical activity intervention for people after TKR. The findings will be used to support a large multi-site clinical trial to test the effectiveness, implementation, and cost of this intervention.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Physical Activity

Clinical Trial Details

NCT number	NCT03228719
Study type	Interventional
Source	University of Delaware
Contact
Status	Completed
Phase	N/A
Start date	July 24, 2017
Completion date	April 21, 2022

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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.

A Physical Therapist Administered Physical Activity Intervention After Total Knee Replacement

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms