NCT04839133

Brief Summary

Background: Regular physical activity is an evidence-based adjuvant therapy of chronic heart failure or chronic lung diseases. Structured exercise training is safe, increases exercise capacity and quality of life, relieves symptoms and reduces hospitalization rates. Even a trend towards reduction of mortality has been identified. However, dyspnea and fatigue, typical symptoms of heart or lung failure, force patients to physical inactivity which fatally aggravates deconditioning and exercise intolerance, leading to an increased risk of hospitalization and a loss of independence and quality of life. To break through this vicious circle physical activity must be restored, since exercise intolerance can be successfully improved by physical training. Purpose: This study will address the challenging task of remobilizing patients with advanced chronic lung or heart failure in a functional New York Heart Association class III-IV by using an externally physically-supported exosuit movement therapy. This soft, wearable robot (fig. 1) assists mobilization according to individual needs by activating neuromuscular feedback systems, promoting physical activity and preventing early physical exhaustion. The investigators hypotheses that an exosuit-supported training increases exercise capacity and quality of life in a greater degree than non-supported training. Methods: The study will consist of two parts investigating i) the feasibility, tolerance and safety (n= 30) and ii) the efficacy of an exosuit device-supported training (n=30). In i) patients will perform a walking test and a set of everyday life skills or participate in a standardized rehabilitation sports program. In ii) patients will be randomized in a 2:1 ratio for an exosuit-supported or non-supported exercise training protocol, training 3 units per week for 8 weeks. Assessment of outcome will be performed by various functional, mobility and endurance tests, questionnaires and clinical parameters. Furthermore, the transfer of regained motor and balance skills to everyday life will be analyzed.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
30

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Mar 2021

Shorter than P25 for not_applicable

Geographic Reach
1 country

2 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 29, 2021

Completed
2 days until next milestone

Study Start

First participant enrolled

March 31, 2021

Completed
9 days until next milestone

First Posted

Study publicly available on registry

April 9, 2021

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 30, 2021

Completed
1 day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 31, 2021

Completed
Last Updated

November 24, 2021

Status Verified

November 1, 2021

Enrollment Period

4 months

First QC Date

March 29, 2021

Last Update Submit

November 16, 2021

Conditions

Keywords

Exercise trainingRobotic trainingExosuit training

Outcome Measures

Primary Outcomes (5)

  • Incidence of Treatment-Emergent Falls - Safety of the MyoSuit

    Patients with advanced heart or pulmonary failure will perform 6-minute walking tests and activities of daily life both with and without wearing a MyoSuit. Outcome is measured by documenting number of falls.

    1 hour

  • Incidence of Treatment-Emergent Adverse Events - Safety of the MyoSuit

    Patients with advanced heart or pulmonary failure will perform 6-minute walking tests and activities of daily life both with and without wearing a MyoSuit. Outcome is measured by documenting adverse events.

    1 hour

  • Exercise can be performed when wearing a MyoSuit - Feasibility and Tolerability of walking test, activities of daily life, rehabilitation exercise group.

    Patients with advanced heart or pulmonary failure will perform a 6 minute walking test, activities of daily life and a cardiac rehabilitation exercise unit. Outcome is measured dichotomously (yes/no) according to its feasibility.

    1 hour

  • Necessity of assistance in exercising when wearing a MyoSuit - Feasibility and Tolerability

    Patients with advanced heart or pulmonary failure will perform a 6 minute walking test, activities of daily lif and a cardiac rehabilitation exercise unit. Outcome is measured according to a scale of assistance needed (1=no assistance, 2=little assistance, 3=much assistance, 4=not possible). 1 is minimum, 4 is maximum. The higher the score, the worse the outcome.

    1 hour

  • MyoSuit assistance leads to changes in walking distance in patients with advanced heart or pulmonary failure assessed by 6-minute walking test.

    Change of 6minute walk distance in meters will be assessed with and without MyoSuit in every participant.

    30 minutes

Study Arms (1)

Feasibility study group

OTHER
Device: MyoSuitFeasibility

Interventions

Participants will absolve feasibility tests with and without wearing a MyoSuit.

Feasibility study group

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • \>17 years old
  • written informed consent
  • chronic end-stage systolic heart failure without ventricular assist device, LVEF ≤ 45% OR chronic advanced pulmonary diseases
  • clinically stable for at least 6 weeks
  • ability to mobilize into standing and walking of at least 10 meters with or without rollator
  • ability to get up from a chair without rotating the upper body \>45° sagittally

You may not qualify if:

  • addictions or other illnesses that impact the ability to understand the nature, scope and consequences of the trial
  • lack of knowledge of German to fully understand study information
  • pregnancy, pre-menopausal women
  • contraindications of cardiopulmonary exercising
  • BMI \> 35 kg/m², waist size \> 135 cm.
  • Height \<150 cm, \>195 cm
  • Weight\<45 kg, \>110 kg
  • Functional Reach Test \<15,24 cm
  • Flexion contracture in the knee/hip joint \>10°
  • Chronic colonization or active infection with multi-resistant pathogens

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

German Heart Center

Berlin, 13353, Germany

Location

German Heart Institute

Berlin, 13353, Germany

Location

Related Publications (1)

  • Just IA, Fries D, Loewe S, Falk V, Cesarovic N, Edelmann F, Feuerstein A, Haufe FL, Xiloyannis M, Riener R, Schoenrath F. Movement therapy in advanced heart failure assisted by a lightweight wearable robot: a feasibility pilot study. ESC Heart Fail. 2022 Jun;9(3):1643-1650. doi: 10.1002/ehf2.13903. Epub 2022 Mar 23.

MeSH Terms

Conditions

Heart Failure, SystolicLung Diseases

Condition Hierarchy (Ancestors)

Heart FailureHeart DiseasesCardiovascular DiseasesRespiratory Tract Diseases

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 29, 2021

First Posted

April 9, 2021

Study Start

March 31, 2021

Primary Completion

July 30, 2021

Study Completion

July 31, 2021

Last Updated

November 24, 2021

Record last verified: 2021-11

Locations