Behavioral & Nutritional Treatment to Help CF Preschoolers Grow



Status:Completed
Conditions:Pulmonary
Therapuetic Areas:Pulmonary / Respiratory Diseases
Healthy:No
Age Range:2 - 6
Updated:5/24/2018
Start Date:January 2006
End Date:June 2015

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A Multi-Site Randomized Clinical Trial of Behavioral and Nutrition Treatment Designed to Help Preschoolers With Cystic Fibrosis Optimize Growth

The primary objective of this NIH funded clinical trial is to conduct a multi-center,
randomized, controlled trial comparing two interventions: a behavioral plus nutrition
intervention to a nutrition intervention. This study will (a) determine the impact of the
behavioral intervention on energy intake and weight gain; (b) examine the durability of the
behavioral intervention's impact on growth (weight and height) one year following treatment;
and (c) explore the relation between physical activity and growth.

Evidence-based nutritional interventions that achieve and sustain optimal growth in young
children with cystic fibrosis (CF) do not exist, despite an urgent need. Such an intervention
could positively change the course of clinical lung disease and enhance survival for these
children. The primary objective of this NIH funded clinical trial is to conduct a
multi-center, randomized, controlled trial comparing two interventions: a behavioral plus
nutrition intervention to a nutrition (attention control) intervention. All subjects will
receive nutritional care consistent with the 2001 CF Consensus Conference guidelines for
pediatric nutrition.

The specific aims are to:

1. determine the impact of the behavioral intervention on energy intake and weight gain;

2. examine the durability of the behavioral intervention's impact on growth (weight and
height) one year following treatment; and

3. explore the relation between physical activity and growth. The central hypothesis is
that behavioral intervention will lead to better growth as measured by change in weight
and height for age z scores.

From three CF Centers in Ohio, (Cincinnati Children's, Columbus Children's, Rainbow Babies
and Children's Hospital in Cleveland), two referral centers in Ohio (Dayton Children's and
Akron Children's), one CF Center in Michigan (University of Michigan-Ann Arbor), and one CF
Center in Arizona (University of Arizona-Tucson), 100 preschoolers with CF and pancreatic
insufficiency age 2 to 6 years will be randomized to one of the two conditions. The two
groups will be stratified so that they are similar at the initiation of treatment on weight
for age z score.

Other critical variables such as history of Pseudomonas aeruginosa infection and gender will
be used as covariates in the statistical analysis plan. Outcome data (energy intake measured
by 7-day diet record, weight, height) will be obtained at baseline, post-treatment (6
months), and after a 12-month follow-up (18 months post baseline).

Secondary measures will include body mass index, body composition measured by dual energy
x-ray absorptiometry (DXA) and skinfolds, and growth velocity. Behavioral treatment will
maximize adherence to a high energy diet and enzyme replacement therapy, and motivate
children to increase their energy intake. It involves 7 weekly sessions followed by 4 monthly
sessions. The attention condition controls for time of contact and number of assessments
conducted.

This study advances the investigation of early nutritional interventions for young children
with CF and directly addresses the need for controlled, longitudinal assessment of behavioral
intervention on growth. The long-range goal is to change the standard of nutritional care for
young children with CF because behavioral intervention leads to optimal growth and ultimately
improves lung health and survival.

Inclusion Criteria:

- confirmed diagnosis of cystic fibrosis based upon 2 of the following: a. sweat
chloride by quantitative pilocarpine electrophoresis ≥60 milliequivalent/Liter
(mEq/L), b. two clinical features consistent with CF, or c. genetic testing
demonstrating two mutations associated with CF

- confirmation of pancreatic insufficiency based upon fecal elastase of ≤ 100 micrograms
per gram of stool (or an undetectable level)

- age at enrollment to the trial of 2.0 years to 6.0 years

- at least 6 months post CF diagnosis

- consuming an unrestricted fat diet

Exclusion Criteria:

- diagnosis of developmental delay (i.e., autism, cerebral palsy, or mental retardation)

- receiving supplemental enteral nutrition via nasogastric tube, gastrostomy, or total
parenteral nutrition

- diagnosed with another disease/condition (e.g., insulin dependent diabetes, congenital
heart disease, significant renal disease, history of bowel resection or short bowel
syndrome, colonic strictures) known to affect growth

- taking a medication (e.g., insulin, growth hormone, chronic use of systemic steroids)
known to affect growth

- screening assessment shows genetic potential for height as acceptable according to the
2001 Consensus Conference guidelines and diet diary indicates daily Dietary Reference
Intake (DRI) of energy average of 140% or greater (DRI of 100% will be determined as
the estimated energy requirement [EER] based upon the child's age, gender, and an
active physical activity level

- weight z score (age and gender adjusted) of > 1.0

- prior participation in the pilot intervention studies conducted by the PI during the
prior period of R01 funding or current participation in an intervention trial
conducted by the Cystic Fibrosis Therapeutics Development Network.
We found this trial at
5
sites
3333 Burnet Avenue # Mlc3008
Cincinnati, Ohio 45229
 1-513-636-4200 
Cincinnati Children's Hospital Medical Center Patients and families from across the region and around the...
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Cincinnati, OH
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700 Childrens Drive
Columbus, Ohio 43205
(616) 722-2000
Nationwide Children's Hospital At Nationwide Children’s, we are creating the future of pediatric health care....
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Columbus, OH
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1500 E Medical Center Dr
Ann Arbor, Michigan 48109
(734) 936-4000
University of Michigan Health System The University of Michigan is home to one of the...
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Ann Arbor, MI
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11100 Euclid Avenue
Cleveland, Ohio 44106
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Cleveland, OH
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Tucson, Arizona 85721
(520) 621-2211
University of Arizona The University of Arizona is a premier, public research university. Established in...
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Tucson, AZ
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