FRailty WAlking Patterns (FRAP) Study

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Medtronic

Status

Completed

Conditions

Heart Failure

Treatments

Other: Walking Exercises-Five Times Sit to Stand (FTSTS) Test
Other: Walking Exercises-4 Meter Gait Speed (4MGS) Test
Other: Walking Exercises-Expanded Timed Get-Up-and-Go (ETGUG) Test
Other: 3D accelerometer
Other: Reveal LINQ accelerometer
Other: Walking Exercises-Six Minute Walk (6MW) Test

Study type

Interventional

Funder types

Industry

Identifiers

NCT02755129
FRAP1

Details and patient eligibility

About

The aim of this study is to evaluate sit-stand phases and gait speed detection using an externally worn Reveal LINQ (TM) compared to an external reference (3D accelerometer, and/or the Computer Assisted Rehabilitation Environment (CAREN) system) in one center in the Netherlands

Full description

Frailty is a geriatric syndrome characterized by reduced homeostatic reserves, exposing the organism to extreme vulnerability to endogenous and exogenous stressors. Frailty is prevalent in older people and involves a progressive physiological decline of multiple body systems, typical signs and symptoms include weight loss, fatigue, muscle weakness, slow or unsteady gait declines in activity. Frailty is increasingly recognized as an important prognostic indicator in heart failure (HF) and is more prevalent in HF than the general population. The identification of frailty in its early stage is important because interventions may potentially prevent, or delay the clinical consequences of frailty. Of particular focus in this study will be walking speed as prior research has demonstrated that slow gait speed has the strongest prognostic ability of the traditional components used to assess frailty, and has been reported as one of the strongest to predict adverse outcomes, such as mobility disability, falls, or hospitalization. Also of interest is the detection of posture changes as this may have implications for detecting changes in sleeping habits and could also provide context for other biomarker signals collected by the LINQ device. The literature has been reviewed and the scientific soundness of the proposed analytical techniques evaluated. The rationale for this study design is to evaluate the feasibility of using the Reveal LINQ™ to monitoring walking patterns. HF patients (the target population for the study in discussion) would make it possible to test the sensitivity of the accelerometer embedded in the LINQ device in a small cohort of subjects with reduced mobility and for which frailty is more prevalent than the general population, as well as recognized as an important prognostic indicator. No risk to the subjects is expected with this study.

Enrollment

15 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Chronic Heart Failure in New York Heart Association (NHYA) class II and class III
  • Willing to sign the informed consent form.
  • At least 18 years of age.

Exclusion criteria

• Not able to walk continuously for a period of 6 minutes and perform the walking exercises as necessary for the study protocol.

  • Any known allergy to Titanium
  • Any concomitant conditions which in the opinion of the investigator would not allow accurate measurement of gait and frailty parameters with an externally worn device.
  • Any concomitant condition which in the opinion of the investigator would not allow a safe participation in the study.
  • Enrolled in another study that could confound the results of this study, without documented pre-approval from a Medtronic study manager.

Trial design

Primary purpose

Other

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

15 participants in 1 patient group

single arm
Other group
Description:
Single arm, all the patients enrolled will perform the same walking exercises. On arrival to the rehabilitation center subjects will have the Reveal LINQ, the 3D-accelerometers (one on the chest by medical-grade adhesives and a second at the level of the waist over the top of a medical grade adhesive) and the Holter attached externally. Then, they will be asked to perform the following exercises: Walking Exercises-4 Meter Gait Speed (4MGS) Test Walking exercises - Six Minute Walk (6MW) Test Walking exercises - 4 Meter Gait Speed (4MGS) Test Walking Exercises - Five Times Sit to Stand (FTSTS) Test Walking Exercises - Expanded Timed Get-Up-and-Go (ETGUG) Test
Treatment:
Other: Reveal LINQ accelerometer
Other: Walking Exercises-Six Minute Walk (6MW) Test
Other: 3D accelerometer
Other: Walking Exercises-Expanded Timed Get-Up-and-Go (ETGUG) Test
Other: Walking Exercises-4 Meter Gait Speed (4MGS) Test
Other: Walking Exercises-Five Times Sit to Stand (FTSTS) Test

Trial documents
2

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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