- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01695421
The Effect of a Five Week Electrical Myostimulation Program in Chronic Diseases
Soft-hard Technologies to Assistance and Accessibility in Patients With Chronic Diseases: The Effect of a Five Week Electrical Myostimulation Program.
Study Overview
Status
Conditions
Detailed Description
Introduction: Chronic Heart Failure (HF) patients are a significant health care burden in many countries. Patients afflicted with HF typically do not maintain stable cardiac function for the remainder of their life and consequently require continuous medical management and intermittent hospital admissions. Several investigations have demonstrated that electrical muscle stimulation (EMS) produces positive physiologic and psychological adaptations in patients with HF. However not all the EMS modalities were been evaluated on this population or not even were tested based on present recognized gold standard clinical parameters after a short period of treatment. The impact of use of low frequency (FES) and medium-frequency currents (MAC and BMAC) as EMS on the VE/VCO2 and BNP has likewise not been investigated in patients with HF.
Purposes: The primary aims of the proposed study is to: Determine the effect of a five week home based EMS modalities (a) Functional electrical stimulation (FES), (b) medium-frequency alternating current (MAC) and (c) burst-modulated medium-frequency alternating current (BMAC) training program on the VE/VCO2 slope, Brain Natriuretic Peptide (BNP) level, peak VO2, VO2 at Ventilatory Threshold (VT), perceived quality of life, muscle force and electrical activity in subjects diagnosed with HF (NYHA III and IV). Examine changes in the previously outlined outcome measurements five weeks after cessation of the EMS ((a) FES, (b) MAC and (c) BMAC) training program.
Procedures: We will recruit 40 persons (10 for each EMS modalities and 10 control subjects) diagnosed with HF. A group of control subjects will participate using a sham current. The protocol can be conceptually divided into four sections in the following chronological sequence: (1) baseline assessment (body composition by a bone densitometer X-ray Dual energy X-Ray absortometry - DXA, Resting blood pressure and heart rate, complete blood count and BNP analysis); Living with Heart Failure Questionnaire (MLWHFQ); A physician-supervised maximal aerobic exercise test using a metabolic cart (Vmax, Viasys, USA) (VO2, VE/VCO2, VT); isokinetic peak torque (Biodex System III, Isokinetic Dynamometer, Biodex Medical, Inc., Shirley, NY) and electrical activity (Miotec, Brazil), (2) five week EMS training program (bilateral quadriceps and gastrocnemius for 5 days a week for 1 hour to each muscle group with FES, MAC and BMAC training program), (3) immediate post-training assessment within 5 days of completion of the EMS training program and a (4) final analysis five weeks after cessation of the EMS training program.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Gerson Cipriano Junior, PhD
- Phone Number: +556181907111
- Email: cipriano@unb.br
Study Locations
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Federal District
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Brasilia, Federal District, Brazil, 72220-140
- Recruiting
- Brasilia University
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Contact:
- Gerson Cipriano Junior, PhD
- Phone Number: +556181907111
- Email: cipriano@unb.br
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Contact:
- Laura Maria T Neves, Master
- Phone Number: +5581431769
- Email: lmtomazi@gmail.com
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Principal Investigator:
- Gerson Cipriano Junior, PhD
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Sub-Investigator:
- Laura Maria T Neves, Master
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- (1) Male or female ≥ 21 and ≤ 80 years of age.
- (2) Current HF symptoms consistent with NYHA class III-IV.
- (3) On stable HF pharmacological therapy for at least one month prior to data collection.
- (4) Left ventricular ejection fraction < 45% documented within 3 months of enrollment (obtained from subjects medical records).
- (5) No planned elective surgery or pacemaker implantation at the time of study initiation.
- (6) Hgb > 8.0 within 1 month of enrollment (obtained from subjects medical records).
- (7) Willingness to provide written informed consent.
Exclusion Criteria:
- (1) Inability to provide written informed consent.
- (2) Inability to walk on a treadmill.
- (3) Hemodynamically significant valvular heart disease.
- (4) Unstable angina.
- (5) Acute myocardial infarction within the previous 3 months.
- (6) Obstructive hypertrophic cardiomyopathy.
- (7) HF known to be secondary to pericardial disease or uncorrected valvular disease.
- (8) Chronic oxygen therapy.
- (9) Participation in another clinical trial within the past 30 days.
- (10) Participation in a regular exercise within the previous 6 months.
- (11) Previous implantation of a cardiac pacemaker or defibrillator.
- (12) Pregnancy.
- (13) Resting systolic blood pressure > 200 mmHg.
- (14) Failure to demonstrate the ability to operate the EMS unit.
- (15) Failure to be compliant with at least 75% of the EMS training sessions.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Supportive Care
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Functional electrical stimulation
Burst modulated alternating rectified current with a 10 Hz carrier frequency, 400 microsecond pulse duration and 50 Hz bursts
|
The subjects will receive stimulation to quadriceps and gastrocnemius for 5 days a week for 1 hour during 5 weeks.
Electrical stimulation will be delivered through channel one with one electrode placed over the vastus medialis and the second electrode placed medial and distal to the greater trochanter.
The channel two will be place on the gastrocnemius with one electrode positioned over the muscle belly and the second over the musculotendinous junction.
The stimulus will be on for 10 seconds followed by a 30 second relaxation period at the first two weeks.
Subsequently, the EMS stimulus will be on for 15 seconds followed by a 30 second relaxation period.
The intensity will be turned up to the maximal tolerable intensity as reported by the subject (10-100 mA) observing muscular contraction
|
Experimental: Medium-frequency alternating current
Burst modulated alternating current with a 2500 Hz carrier frequency, 400 microsecond pulse duration and 50 Hz bursts
|
The subjects will receive stimulation to quadriceps and gastrocnemius for 5 days a week for 1 hour during 5 weeks.
Electrical stimulation will be delivered through channel one with one electrode placed over the vastus medialis and the second electrode placed medial and distal to the greater trochanter.
The channel two will be place on the gastrocnemius with one electrode positioned over the muscle belly and the second over the musculotendinous junction.
The stimulus will be on for 10 seconds followed by a 30 second relaxation period at the first two weeks.
Subsequently, the EMS stimulus will be on for 15 seconds followed by a 30 second relaxation period.
The intensity will be turned up to the maximal tolerable intensity as reported by the subject (10-100 mA) observing muscular contraction.
Other Names:
|
Experimental: Burst-modulated alternating current
Burst modulated alternating current with a 4000 Hz carrier frequency, 400 microsecond pulse duration and 50 Hz bursts.
|
The subjects will receive stimulation to quadriceps and gastrocnemius for 5 days a week for 1 hour during 5 weeks.
Electrical stimulation will be delivered through channel one with one electrode placed over the vastus medialis and the second electrode placed medial and distal to the greater trochanter.
The channel two will be place on the gastrocnemius with one electrode positioned over the muscle belly and the second over the musculotendinous junction.
The stimulus will be on for 10 seconds followed by a 30 second relaxation period at the first two weeks.
Subsequently, the EMS stimulus will be on for 15 seconds followed by a 30 second relaxation period.
The intensity will be turned up to the maximal tolerable intensity as reported by the subject (10-100 mA) observing muscular contraction.
Other Names:
|
Placebo Comparator: Placebo
Training with the intensity of 5 mA.
|
The subjects will receive stimulation to quadriceps and gastrocnemius for 5 days a week for 1 hour during 5 weeks.
Electrical stimulation will be delivered through channel one with one electrode placed over the vastus medialis and the second electrode placed medial and distal to the greater trochanter.
The channel two will be place on the gastrocnemius with one electrode positioned over the muscle belly and the second over the musculotendinous junction.
The stimulus will be on for 10 seconds followed by a 30 second relaxation period at the first two weeks.
Subsequently, the EMS stimulus will be on for 15 seconds followed by a 30 second relaxation period.
The intensity will be fixed on 5 mA.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
VE/VCO2 slope
Time Frame: Change from Baseline in VE/VCO2 slope at five and ten weeks post EMS.
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Change from Baseline in VE/VCO2 slope at five and ten weeks post EMS.
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Peak VO2
Time Frame: Change from Baseline in Peak VO2 at five and ten weeks post EMS.
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Change from Baseline in Peak VO2 at five and ten weeks post EMS.
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VO2 at Ventilatory Threshold
Time Frame: Change from Baseline in VO2 at ventilatory threshold at five and ten weeks post EMS.
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Change from Baseline in VO2 at ventilatory threshold at five and ten weeks post EMS.
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Perceived quality of life
Time Frame: Change from Baseline in perceived quality od life at five and ten weeks post EMS.
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Change from Baseline in perceived quality od life at five and ten weeks post EMS.
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Muscle force
Time Frame: Change from Baseline in muscle force at five and ten weeks post EMS.
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Change from Baseline in muscle force at five and ten weeks post EMS.
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Muscle electrical activity
Time Frame: Change from Baseline in muscle electrical activity at five and ten weeks post EMS.
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Change from Baseline in muscle electrical activity at five and ten weeks post EMS.
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Brain Natriuretic Peptide level
Time Frame: Change from Baseline in Brain Natriuretic Peptide Level at five and ten weeks post EMS.
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Change from Baseline in Brain Natriuretic Peptide Level at five and ten weeks post EMS.
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Gerson Cipriano Junior, PhD, University of Brasilia
Publications and helpful links
General Publications
- Mueller C, Scholer A, Laule-Kilian K, Martina B, Schindler C, Buser P, Pfisterer M, Perruchoud AP. Use of B-type natriuretic peptide in the evaluation and management of acute dyspnea. N Engl J Med. 2004 Feb 12;350(7):647-54. doi: 10.1056/NEJMoa031681.
- Arena R, Myers J, Aslam SS, Varughese EB, Peberdy MA. Peak VO2 and VE/VCO2 slope in patients with heart failure: a prognostic comparison. Am Heart J. 2004 Feb;147(2):354-60. doi: 10.1016/j.ahj.2003.07.014.
- Myers J, Gademan M, Brunner K, Kottman W, Boesch C, Dubach P. Effects of high-intensity training on indices of ventilatory efficiency in chronic heart failure. J Cardiopulm Rehabil Prev. 2012 Jan-Feb;32(1):9-16. doi: 10.1097/HCR.0b013e3182343bdf.
- Vieira PJ, Chiappa AM, Cipriano G Jr, Umpierre D, Arena R, Chiappa GR. Neuromuscular electrical stimulation improves clinical and physiological function in COPD patients. Respir Med. 2014 Apr;108(4):609-20. doi: 10.1016/j.rmed.2013.12.013. Epub 2014 Jan 2.
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- CSF-01
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