- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02014285
Muscle Ultrasound Signifies Condition Upgrade Leading Approach to Recovery (MUSCULAR)
November 6, 2017 updated by: Wake Forest University Health Sciences
Examination of serial muscle ultrasounds and muscle sampling within the population of ICU patients who require mechanical ventilation for acute respiratory failure, will lead to the ability of investigators to link specific baseline comorbidities, drugs, or fluid administrations, to the onset and duration of architectural changes within muscle and correlate ultimately with muscle function.
With this study, we will be better able to understand the relationships between the pattern of resolution of the muscle architectural abnormalities within the context of multiple other clinical abnormalities and therapies present and rendered to ICU patients.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
Acute respiratory failure (ARF) is an extremely variable and heterogeneous syndrome that can be defined as an acute cardiopulmonary dysfunction requiring emergent artificial ventilation support.
For patients with ARF, the mortality rate is higher than the general ICU mortality, with estimates ranging from 15-40% depending on the subgroups evaluated.
In the largest, most recent report on ARF, the in-ICU mortality was 31% and the overall in-hospital mortality rate was 37%.
Muscle weakness is an independent risk factor for mortality from ARF and contributes to long-term reductions in physical function in survivors.
Muscle ultrasounds are non-invasive, quick and reproducible.
They provide the opportunity of ICU staff to create a patient-specific exercise prescription based on both functional assessments and importantly the degree of muscle architecture abnormality detected by ultrasound.
Serial examination of muscle ultrasound images obtained in mechanically ventilated acute respiratory failure patients will allow for better understanding of the time course of specific muscles' architectural abnormalities and the resolution of such abnormalities within hospital survivors.
With this study, we will be better able to understand the relationships between the pattern of resolution of the muscle architectural abnormalities within the context of multiple other clinical abnormalities and therapies present and rendered to ICU patients.
Muscle sampling used in conjunction with ultrasound in patients with ARF will allow for further characterization of the extent of and mechanisms underlying ARF induced muscle dysfunction in these patients.
Furthermore, ultrasound guided muscle sampling allows this procedure to be done in a more efficient and effective manner.
Study participants will consist of 30 patients with ARF admitted to the Intensive Care Units of Wake Forest University Baptist Medical Center.
Muscle ultrasounds will occur at study enrollment and weekly thereafter, and will also include one imaging session as close to hospital discharge as possible.
Muscle sampling will occur within 5 days of consent and approximately 2 months later.
Handgrip strength, dynamometer, and physical performance tests will also be administered at ICU & hospital discharge and at 2 months post enrollment.
The primary outcome will be to investigate the possibility of a relationship between the ultrasound data, muscle sample data, and functional measurements (length of stay, grip strength, SPPB, dynamometer, MRC, simultaneously accounting for severity of illness [APACHE III]).
Study Type
Observational
Enrollment (Actual)
1
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
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North Carolina
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Winston-Salem, North Carolina, United States, 27157
- Wake Forest University Health Sciences
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Sampling Method
Non-Probability Sample
Study Population
Study participants will consist of 30 patients with Acute Respiratory Failure admitted to the Intensive Care Units of Wake Forest Baptist Health.
Description
Inclusion Criteria:
- Age > 18 years
- Mechanically ventilated via an endotracheal tube or mask
- New diagnosis of Acute Lung Injury or Sepsis
Exclusion Criteria:
- Upon Principle Investigator discretion, patient not suitable for study
- Moribund
- Other Research Study without co-enrollment permissions
- Pregnancy
- Primary neuropathies
- Amputees
- Inability to walk without assistance prior to diagnosis (use of cane or walker not exclusion)
- Preadmission immunocompromised state (HIV, >20mg prednisone/day, other immunosuppressive therapy)
- BMI >45 (difficulty obtaining biopsy)
- Underlying neuromuscular disease
- Acute stroke
- Hip fracture, unstable C spine, or pathological fracture
- Current hospitalization or transferring hospital stay >80 hours
- CPR previous to consent without signs of full neurologic recovery
- Previous hospitalization within past 30 days
- Cognitive impairment prior to ICU illness
- Re-admission to ICU within current admission
- Cancer therapy within the last 12 months
- Full dose anticoagulation therapy
- Known platelet count <100,000
- Known INR >1.5
- Known aPTT >1.5 upper limit of normal
- Patient on antiplatelet therapy (daily aspirin therapy is acceptable)
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Muscle Ultrasound/Sample
30 subjects enrolled from Wake Forest Baptist Health Intensive Care Units.
Each study subject will undergo an ultrasound to examine the size and echogenicity of their muscles and a muscle biopsy from the rectus femoris.
The muscles studied will include the biceps brachii, wrist extensors, quadriceps, and tibialis anterior.
|
The muscles to undergo ultrasound will include the biceps brachii, wrist extensors, quadriceps, and tibialis anterior.
A muscle sample will be taken from the rectus femoris.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Days of Hospitalization
Time Frame: 2 months
|
The ultrasound data analysis may allow for a correlation to be drawn between a pattern of ultrasound changes and length of stay.
|
2 months
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Investigators
- Principal Investigator: Clark Files, MD, Wake Forest University Health Sciences
- Principal Investigator: Peter E Morris, MD, University of Kentucky
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
November 1, 2012
Primary Completion (Actual)
May 3, 2017
Study Completion (Actual)
May 3, 2017
Study Registration Dates
First Submitted
November 27, 2013
First Submitted That Met QC Criteria
December 17, 2013
First Posted (Estimate)
December 18, 2013
Study Record Updates
Last Update Posted (Actual)
November 8, 2017
Last Update Submitted That Met QC Criteria
November 6, 2017
Last Verified
August 1, 2017
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 00022113
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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