The goal of the study is to examine multiple markers of anthropometrics, body composition, sarcopenia and frailty and compare them to dual energy X-ray absorptiometry (DXA) output, which is considered the current clinical gold-standard tool to measure body composition. The result of this study will provide detailed data regarding the nutrition and body composition within this Cystic Fibrosis population and also provide a baseline evaluation for use of these biomarkers in the future studies including evaluation of nutritional intervention. Further, the study will also include psychosocial and other patient-reported outcomes and medical contributors to understand their contributions to the nutritional failure in the adult advanced lung disease population. Finally, the study will evaluate both established and emerging nutritional and body composition parameters and link them to clinical outcomes in adults with CF across the spectrum of pulmonary function.
Study Type
OBSERVATIONAL
Enrollment
300
Estimate and compare correlation between lean mass index from DXA and BMI
Skinfold will be assessed with calipers. Circumference will be measured with a tape measure.
A small, handheld dynamometer will be used to measure grip strength, a measure of function, on each hand.
This will be another functional assessment of fitness. Participants will be asked to walk at their normal pace for 6 minutes.The total distance walked in that time will be measured.
This will be used as a functional assessment of fitness and lower extremity strength. Participants will start seated on a chair and be asked to complete as many sit-to-stand repetitions without using their arms for one minute.
This is an assessment of frailty. The test is completed in approximately 8 minutes. The test consists of 3 assessments: 1) Balance tests where the participant stands and tries to balance with their feet in various positions for 10 seconds each without assistance (side-by-side, heel-to-side, and heel-to-toe); 2) Two 4-meter gait speed tests; and 3) Chair-stand tests (single chair stand, 5 chair stands).
A minimum of 50 individuals will be enrolled. Body composition will be assessed at each study visit using study bioelectrical impendence analysis (BIA).
Participants will be provided with a wrist-worn accelerometer/heart rate monitor at the baseline study visit and asked to wear it continuously for at least 3-10 days (two weekdays, one weekend day). Approximately every 3 months, the participant will be asked to again wear the accelerometer. Participants will be able to keep their accelerometers.
Subjects will complete surveys regarding gastrointestinal (GI) symptoms, including the Patient Assessment of Constipation (PAC-SYM) Score, Patient Assessment of Gastrointestinal Symptoms (PACGI-SYM) Score, the Bristol Stool Chart, and the scored Patient-Generated Subjective Global Assessment (PG-SGA).
This is an 8-item scale that measures depressive symptoms over the past two weeks.
This is a 7-items scale that measures anxiety symptoms over the past two weeks, from not at all to nearly every day.
This is a 15-item scale that assesses the degree to which participants' motivation is autonomous or self-regulated.
The CF Fatalism Scale measures the belief in a lack of personal power or control over one's future and has 13 items.
The Body Esteem Scale for Adolescents and Adults (BESAA) is 23-item measurement of self-evaluations of one's body or appearance.
A short questionnaire designed to explore participants' perspectives of the acceptability and feasibility of nutritional assessments used in STRONG-CF will be given to all study participants at the end of the study.
For subjects without previously diagnosed CFRD, an OGTT will be performed at baseline and 12-months with samples analyzed at the central lab.
Subjects will wear a Dexcom G6Pro sensor in blinded mode for three 10-day periods to collect comprehensive glucose data.
Standard of Care chest CT images will be drawn from the medical record, as available, from enrolled participants. FEV1 measurements prior to chest CT scans will be recorded to account for possible illness occurring at the time of scanning. Quantitative assessment of the pectoralis muscle area will be performed on the first single axial image above the aortic arch. Any additional standard of care chest CT's that are performed while the participant is enrolled in the study will also be collected and have a quantitative assessment of the pectoralis muscle performed.
DXA measurements for whole body, total hip and lumbar spine will be acquired using the Hologic DXA and standard positioning as noted in the DXA Manual of Operations. DXA will be used to estimate total and regional body composition, which will include body fat and lean body mass. This will be used as the gold standard from which to validate BIA and MAMC.
A minimum of 50 individuals will be enrolled. At each study visit, participants will undergo ultrasound muscle measurements (cross-sectional area and muscle thickness) of the biceps and quadriceps on each (left and right) side of the body (4 total areas). These measurements will be obtained in triplicate for each patient.
Screening tool for identifying households at risk of food insecurity and poor health outcomes linked to food insecurity with 3-items over the last 12 months.
Chronic Respiratory Infection Symptom Score (CRISS) is an 8-item respiratory symptom questionnaire covering the last 24-hours.
Spirometry will be performed in accordance with the current American Thoracic Society recommendations for the performance and interpretation of tests.
Single question over the last 3 months/90 days about cannabis use for GI problems and appetite. The clinical sites will not see the responses to this question. It will be completed by the participant online either during the study visit or at home.
Assessment of prior 12-month management of cystic fibrosis, including treatments, medication intake and hospitalizations. This questionnaire will only be completed at 24- and 36- month visits.
Assessment of prior 12-month nutritional intake being completed at Baseline (no later than 6-month visit) and 12-month visit.
University of Arizona
Tucson, Arizona, United States
University of Arkansas for Medical Sciences (UAMS)
Little Rock, Arkansas, United States
Emory
Atlanta, Georgia, United States
Northwestern University
Chicago, Illinois, United States
University of Iowa
Iowa City, Iowa, United States
University of Kentucky
Lexington, Kentucky, United States
Tulane University
New Orleans, Louisiana, United States
John Hopkins University
Baltimore, Maryland, United States
Massachusetts General Hospital (MGH)
Boston, Massachusetts, United States
Boston Children's Hospital and Brigham and Women's CF Center
Boston, Massachusetts, United States
...and 13 more locations
Correlation between DXA lean mass index and BMI
Estimate and compare correlation between lean mass index from DXA (kg/m2) and BMI (kg/m2)
Time frame: Baseline and 1 year
Correlation between DXA lean mass index and mid-arm muscle circumference
Estimate and compare correlation between lean mass index from DXA (kg/m2) and mid-arm muscle circumference (cm)
Time frame: Baseline and 1 year
Correlation between DXA lean mass index and hand-grip strength
Estimate and compare correlation between lean mass index from DXA (kg/m2) and hand-grip strength (kg)
Time frame: Baseline and 1 year
Correlation between DXA lean mass index and the 6-minute walk distance traveled
Estimate and compare correlation between lean mass index from DXA (kg/m2) and 6-minute walk (distance traveled in six minutes)
Time frame: Baseline and 1 year
Correlation between DXA lean mass index and the 1-minute sit-to-stand number of repetitions
Estimate and compare correlation between lean mass index from DXA (kg/m2) and 1-minute sit-to-stand (number of sit-to-stand repetitions in one minute)
Time frame: Baseline and 1 year
Correlation between DXA lean mass index and Short Physical Performance Battery frailty score
Estimate and compare correlation between lean mass index from DXA (kg/m2) and Short Physical Performance Battery frailty score (total points)
Time frame: Baseline and 1 year
Characterize lean mass index from DXA cross-sectionally and longitudinally
Characterize lean mass index from DXA cross-sectionally (at enrollment) and longitudinally (post-enrollment changes) based on descriptive statistics and evaluate variance
Time frame: Baseline and 1 year
Characterize BMI cross-sectionally and longitudinally
Characterize lean mass index from BMI cross-sectionally (at enrollment) and longitudinally (post-enrollment changes) based on descriptive statistics and evaluate variance
Time frame: Baseline and 1 year
Characterize mid-arm measurement circumference cross-sectionally and longitudinally
Characterize lean mass index from mid-arm circumference measurements cross-sectionally (at enrollment) and longitudinally (post-enrollment changes) based on descriptive statistics and evaluate variance
Time frame: Baseline and 1 year
Characterize hand-grip strength cross-sectionally and longitudinally
Characterize hand-grip strength cross-sectionally (at enrollment) and longitudinally (post-enrollment changes) based on descriptive statistics and evaluate variance
Time frame: Baseline and 1 year
Characterize 1 minute sit-to-stand repetitions cross-sectionally and longitudinally
Characterize the 1 minute sit-to-stand repetitions cross-sectionally (at enrollment) and longitudinally (post-enrollment changes) based on descriptive statistics and evaluate variance
Time frame: Baseline and 1 year
Characterize mid-arm 6-minute walk test distance traveled cross-sectionally and longitudinally
Characterize the 6-minute walk test distance traveled cross-sectionally (at enrollment) and longitudinally (post-enrollment changes) based on descriptive statistics and evaluate variance
Time frame: Baseline and 1 year
Characterize the Short Physical Performance Battery frailty score cross-sectionally and longitudinally
Characterize the Short Physical Performance Battery frailty score cross-sectionally (at enrollment) and longitudinally (post-enrollment changes) based on descriptive statistics and evaluate variance
Time frame: Baseline and 1 year
Compare lean mass index from DXA between participants with FEV1 <70% to matched participants with FEV1 ≥70%
Compare lean mass index from DXA between participants with FEV1 \<70% to matched participants with FEV1 ≥70%.
Time frame: Baseline and 1 year
Compare BMI between participants with FEV1 <70% to matched participants with FEV1 ≥70%
Compare BMI between participants with FEV1 \<70% to matched participants with FEV1 ≥70%.
Time frame: Baseline and 1 year
Compare lean mass index from mid-arm muscle circumference between participants with FEV1 <70% to matched participants with FEV1 ≥70%
Compare lean mass index from mid-arm muscle circumference between participants with FEV1 \<70% to matched participants with FEV1 ≥70%.
Time frame: Baseline and 1 year
Compare hand-grip strength between participants with FEV1 <70% to matched participants with FEV1 ≥70%
Compare hand-grip strength between participants with FEV1 \<70% to matched participants with FEV1 ≥70%.
Time frame: Baseline and 1 year
Compare the 1-minute sit-to-stand repetitions between participants with FEV1 <70% to matched participants with FEV1 ≥70%
Compare the 1-minute sit-to-stand repetitions between participants with FEV1 \<70% to matched participants with FEV1 ≥70%.
Time frame: Baseline and 1 year
Compare the 6-minute walk test distance between participants with FEV1 <70% to matched participants with FEV1 ≥70%
Compare the 6-minute walk test distance between participants with FEV1 \<70% to matched participants with FEV1 ≥70%.
Time frame: Baseline and 1 year
Compare the Short Physical Performance Battery frailty score between participants with FEV1 <70% to matched participants with FEV1 ≥70%
Compare the Short Physical Performance Battery frailty score between participants with FEV1 \<70% to matched participants with FEV1 ≥70%.
Time frame: Baseline and 1 year
Evaluate mean glucose in participants with FEV1 <70% and matched participants with FEV1 ≥70%
Evaluate mean glucose from continuous glucose measurement data in participants with FEV1 \<70% and matched participants with FEV1 ≥70%
Time frame: Baseline and 1 year
Evaluate % time above 140 mg/dL in participants with FEV1 <70% and matched participants with FEV1 ≥70%
Evaluate % time above 140 mg/dL from continuous glucose measurement data in participants with FEV1 \<70% and matched participants with FEV1 ≥70%
Time frame: Baseline and 1 year
Evaluate % time above 180 mg/dL in participants with FEV1 <70% and matched participants with FEV1 ≥70%
Evaluate % time above 180 mg/dL from continuous glucose measurement data in participants with FEV1 \<70% and matched participants with FEV1 ≥70%
Time frame: Baseline and 1 year
Evaluate peak glucose in participants with FEV1 <70% and matched participants with FEV1 ≥70%
Evaluate peak glucose from continuous glucose measurement data in participants with FEV1 \<70% and matched participants with FEV1 ≥70%
Time frame: Baseline and 1 year
Evaluate % time below 70 mg/dL in participants with FEV1 <70% and matched participants with FEV1 ≥70%
Evaluate % time below 70 mg/dL from continuous glucose measurement data in participants with FEV1 \<70% and matched participants with FEV1 ≥70%
Time frame: Baseline and 1 year
Evaluate % time below 54 mg/dL in participants with FEV1 <70% and matched participants with FEV1 ≥70%
Evaluate % time below 54 mg/dL from continuous glucose measurement data in participants with FEV1 \<70% and matched participants with FEV1 ≥70%
Time frame: Baseline and 1 year
Evaluate the standard deviation in CGM glucose data in participants with FEV1 <70% and matched participants with FEV1 ≥70%
Evaluate the standard deviation in CGM glucose data in participants with FEV1 \<70% and matched participants with FEV1 ≥70%
Time frame: Baseline and 1 year
Evaluate the coefficient of variation in CGM glucose data in participants with FEV1 <70% and matched participants with FEV1 ≥70% participants
Evaluate the coefficient of variation in CGM glucose data in participants with FEV1 \<70% and matched participants with FEV1 ≥70% participants
Time frame: Baseline and 1 year
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