Dynamic Quadriceps Muscle Stimulation for Treatment of Patellofemoral Pain

Status Completed

Clinical Trial Summary

The purpose of this small, pilot study is to evaluate a novel device that uses neuromuscular electrical stimulation to assist quadriceps muscles as a user walks. This study will involve use of this device on individuals with patellofemoral pain, a relatively common injury among active people, to see if quadriceps stimulation could mitigate disparities in quadriceps activation timing that may indirectly lead to knee pain.

Clinical Trial Description

The interventional device will be tested with 20 women aged 18-40 with evidence of patellofemoral pain syndrome (PFPS) and without any co-morbidities that would confound data or contraindications for NMES use. All participants will be enrolled at a single site (Developmental Motor Lab at the University of Texas), and all of a single participant's testing will be complete within a single day with no requirement for follow-up or long-term participation. Participants will have their gait and quadriceps muscle activation patterns evaluated through four six-minute walk tests (6MWT). The first 6MWT will be without a device, second with a device worn but not activated, third with a device activated and stimulating quadriceps musculature, and the fourth without a device.

Primary Objective: The purpose of this study is to investigate whether electrical stimulation of the vastus medalis (VM) and/or vastus lateralis (VL) to establish coactivation of these muscles during terminal swing phase impacts severity of PFPS symptoms

Secondary Objectives: Secondary purposes for this study include evaluating KneeStim and seeing if there is any evidence of proof of concept in two main areas:

KneeStim as a therapeutic device that may assist individuals with joint rehabilitation KneeStim's on-board operating system and motion tracking system as an effective way to monitor joint kinematics.

This pilot study has a prospective, controlled, single-center design. Participants and investigators will not be blinded to the treatment. Individuals who evaluate the motion-tracking data between VICON and KneeStim will not be informed which data set aligns with which treatment. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02243332
Study type	Interventional
Source	Articulate Labs
Contact
Status	Completed
Phase	N/A
Start date	September 2014
Completion date	March 2017

View Details

See also
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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.