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Severe Muscle AtrophyBFRTNCT04357184

BFRT for Severe Lower Extremity Muscle Atrophy

A study testing Blood flow restriction training in people with Severe Muscle Atrophy and Muscle Weakness, run by Cincinnati Sportsmedicine Research and Education Foundation at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Muscle weakness or atrophy is a common condition following acute and chronic musculoskeletal injuries. Strength training is an imperative component in clinical rehabilitation of musculoskeletal injuries. Read more about this study

Who is it for?
Any age
Conditions the study is for
Severe Muscle Atrophy, Muscle Weakness
What is being tested?
Blood flow restriction training
Could I receive a placebo?
No, everyone receives an active treatment
How many people
100 participants
Where
1 siteUnited States
Study dates
14 Apr 2020to 15 Feb 2022
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages Any age
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Who may be able to join

  • Patients with > 20% deficit in isometric quadriceps and/or hamstrings strength
  • Patients willing to complete at least 9 BFRT training sessions
  • Patients willing to provide informed consent (or parental consent)

Who cannot join

  • Pregnancy
  • History of varicose veins
  • History of blood clots or active blood clot
  • Taking oral contraceptives
  • History of heart attack
  • Unstable cardiac disease
Show all 9Show fewer
  • Taking heart failure medication
  • Uncontrolled hypertension (> 140/90)
  • Uncontrolled tachycardia (> 100 bpm)

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Cincinnati Sportsmedicine and Orthopaedic Center

    Cincinnati, Ohio, 45242

Other trials in United States

About this study

Official title: Blood Flow Restriction Training for Severe Lower Extremity Muscle Atrophy

Muscle weakness or atrophy is a common condition following acute and chronic musculoskeletal injuries. Strength training is an imperative component in clinical rehabilitation of musculoskeletal injuries. Heavy exercise loads (approximately 70% of one repetition maximum) is necessary to elicit muscle hypertrophy and strength gains. However, patients with severe muscle atrophy are frequently unable to tolerate these loads due to pain. Blood flow resistance training with low resistance loads may be used to safely develop muscle strength.

Read the detailed description

Blood flow restriction training (BFRT) is a safe type of low intensity resistance exercise that has demonstrated enhanced muscle growth, muscle strength, oxygen delivery and utilization (VO2Max). With BFRT, lighter loads can be used to build muscle while sparing the joints from heavy loading and without overly fatiguing the central nervous system.

The objectives of BFRT are 1) to increase the effectiveness of physical therapy, 2) safely increase muscle mass, reduce arterial stiffness, increase bone density, increase Vo2Max, improve carotid arterial compliance and enhance response of the autonomic nervous system, 3) improve muscle endurance in 1/3 the time, improve strength and hypertrophy after surgery, improve muscle recruitment and increase anabolic growth signaling.

Being tested
Blood flow restriction training
Medical subject headings
Muscular Atrophy, Muscle Weakness

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Blood flow restriction trainingOther

    BFRT is done with 4 exercises with low load resistance of 30% 1 repetition maximum

Study groups in NCT04357184
Study groupRoleWhat they receive
BFRT with 4 exercises and low resistance loadsExperimentalBlood flow resistance training will be performed with a standard blood pressure cuff that is placed and inflated by a clinician. The patient will perform 4 exercises with low resistance loads that will produce a muscle burn to enhance promotion of strength. Training will be supervised in the clinic. The cuff is deflated between exercises.
Receives: Other: Blood flow restriction training

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Isometric quadriceps and hamstrings muscle strength

    Isometric knee flexor and extensor strength will be measured with an isokinetic dynamometer before training and after each series of 9 training sessions

    Measured: Strength will be measured for each patient before training begins and then after 9 training sessions have been completed, for the duration of the study, up to 100 weeks

Secondary outcomes (1)
  1. Patient rating

    Patients will rate the intensity of muscle burn produced during training and overall satisfaction with the final result

    Measured: The intensity of muscle burn will be determined during each training session. The overall satisfaction will be determined after the last training session for each patient, for the duration of the study, up to 100 weeks.

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted22 Apr 2020
  2. Study start14 Apr 2020
  3. Primary completion15 Feb 2022
  4. Study completion15 Feb 2022

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
100 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04357184
Sponsor's protocol ID
BFRT17-37
Acronym
BFRT
Status last verified
Feb 2022
First submitted
14 Apr 2020
Last updated
16 Feb 2022
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A study testing Blood flow restriction training in people with Severe Muscle Atrophy and Muscle Weakness, run by Cincinnati Sportsmedicine Research and Education Foundation at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 9 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 16 Feb 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Isometric quadriceps and hamstrings muscle strength (time frame: Strength will be measured for each patient before training begins and then after 9 training sessions have been completed, for the duration of the study, up to 100 weeks). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 16 Feb 2022.

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