- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03535584
Exercise to Treat Frailty and Decreased Physical Function in Transplant Candidates
Exercise as an Intervention to Treat Frailty and Decreased Physical Function in Kidney Transplant Candidates
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
RECRUITMENT: This study will be conducted at Mayo Clinic in Rochester, MN. Patients over 18 who have chronic kidney disease will be approached for recruitment. Interested patients will go through the informed consent process and, if frailty testing was not completed within the two weeks prior to consent, patients will complete frailty testing. If patients are considered frail or pre-frail, they will be enrolled in the study.
FRAILTY TESTING: Participants will complete the FP, Short Physical Performance Battery (SPPB) and other frailty testing at the beginning of the study, 4 weeks after beginning the intervention, and 8 weeks after beginning the intervention. Frailty testing will include a hand grip strength test, a gait speed test over 15 feet, repeated chair stands, balance testing, and a body composition scan. Participants will also be asked to wear an activity monitor for 5-7 days at each testing point and to complete a set of questionnaires. Height, weight, BMI, skeletal muscle mass, percent body fat, and segmental lean mass will be recorded. Participants with a pacemaker, an implantable cardioverter-defibrillator (ICD), or an automated ICD (AICD) will not be able to complete. At enrollment, participants 55 and older will undergo a submaximal exercise test to rule out significant undiagnosed cardiopulmonary disease (standard entrance criteria for pulmonary rehabilitation).
INTERVENTION: Participants will be asked to complete 2 1-hour exercise sessions per week for 8 weeks (16 total sessions) under the supervision of a licensed respiratory therapist in Rochester, MN on non-dialysis days unless the participant is on daily or near-daily dialysis (e.g. home hemodialysis or peritoneal dialysis). . The exercise sessions will be based on pulmonary rehabilitation and will follow guidelines established by the American Thoracic Society. Exercise sessions will include endurance (treadmill or cycle ergometer), strength, and flexibility training and will be tailored to individual participants.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Minnesota
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Rochester, Minnesota, United States, 55902
- Mayo Clinic
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Aged 18 years or older
- Consenting to research
- CKD (stages 1-5)
- An SPPB score ≤10 or considered frail or pre-frail by FP
Exclusion Criteria:
- Younger than 18 years
- Patients listed for heart or lung transplants
- Terminal illness with a prognosis of less than 6 months
- Significant comorbidities that limit rehabilitation potential including pulmonary disease requiring continuous oxygen supplementation, active angina, critical aortic sclerosis, decompensated heart failure, or known ventricular arrhythmia.
- Kidney transplant candidates without cardiac clearance for transplant
- An SPPB score >10 or not considered frail or pre-frail by FP
- Non-English speaker without availability of adequate interpreter services (safety concern)
- Failure to pass submaximal exercise test
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Exercise Program
All participants will attend a 16-session exercise program based on pulmonary rehabilitation and will complete questionnaires and frailty testing.
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Participants will be asked to complete 2 1-hour exercise sessions per week for 8 weeks (16 total sessions) under the supervision of a licensed respiratory therapist on non-dialysis days.
The exercise program will be based on pulmonary rehabilitation and will follow guidelines established by the American Thoracic Society.
Exercise sessions will include endurance (treadmill or cycle ergometer), strength (weight resistance), and flexibility training.
Exercise sessions will be tailored to individual participants, and participant safety will be monitored during each session.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Frailty Status
Time Frame: 2 Months
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Frailty will be determined by Frailty Phenotype (FP) or Short Physical Performance Battery (SPPB) scores.
FP is determined by the presence of 3 or more of the following: slowness (measured by gait speed), exhaustion (measured with the CES-D), weakness (measured by hand grip strength), low physical activity level (measured with the MLTPAQ and activity monitoring), and wasting (measured through self-report or by tracking changes in weight).
The SPPB consists of a gait speed test, balance testing, and repeated chair stands.
A score less than or equal to 10 will be considered frail.
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2 Months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Grip Strength
Time Frame: 2 Months
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Hand grip strength will be measured using a hand-held dynamometer.
Frailty is characterized as the lowest 20% by gender and body mass index.
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2 Months
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Change in Gait Speed
Time Frame: 2 Months
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Gait speed will be measured over a distance of 15 feet at the patient's self-selected walking speed.
Frailty is characterized as the slowest 20% by gender and height.
Results will be prorated for 4 meters for the SPPB score.
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2 Months
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Change in Exhaustion
Time Frame: 2 Months
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Patients will self-report their level of exhaustion using the Center for Epidemiologic Studies Depression Scale (CES-D) which consists of a 4-point scale.
Items on the CES-D are scored from minimum to maximum values (1 point to 4 points) which are indicated on the CES-D as "rarely or none of the time," "some or a little of the time," "occasionally or a moderate amount of time," "most or all of the time," respectively.
A higher number of points indicates a worse outcome.
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2 Months
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Change in Activity
Time Frame: 2 Months
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Energy expenditure will be measured using an activity monitor worn on the wrist for 5-7 days.
Low activity is defined as activity in the lowest 20% (<383 Kcals/week for men or <270 Kcals/week for women).
Patients will also self-report their activity level using the MLTPAQ.
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2 Months
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Wasting
Time Frame: 2 Months
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Wasting is defined as a decrease in lean body mass or unintentional weight loss of 10 or more pounds in one year.
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2 Months
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Change in SPPB Score
Time Frame: 2 Months
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The SPPB consists of a gait speed test, repeated chair stands, and balance testing.
Lower scores indicate decreased physical function.
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2 Months
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Change in Quality of Life
Time Frame: 2 Months
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Health-related quality of life will be measured using the KDQOL-SF.
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2 Months
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Post-Transplant Outcomes
Time Frame: 1 Year
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The relationship between exercise, frailty status, and post-transplant outcomes will be examined for patients who receive a transplant within 1 year of enrolling in this study.
The various outcome measures will be aggregated to indicate mortality rate up to one year post-transplant.
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1 Year
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Cassie C Kennedy, MD, Mayo Clinic
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 17-009722
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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