- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02063178
Dissemination of the Look Ahead Weight Management Treatment in the Military (FITBLUE)
Purpose: This study aims to take the procedural and research-based lessons learned from a pilot weight loss intervention (IRB # 13-02563-XP), conducted by The University of Tennessee Health Science Center in 2013, and apply them to the current study of 204 active duty military personnel. The pilot study translated and tailored the Look Ahead weight loss intervention to an overweight/obese active duty U.S. Air Force population, while accommodating the lifestyle and environment that is unique to military members and evaluate materials and procedures used.
Rationale: Being overweight is now by far the leading medical reason for rejection in the military. Unfortunately, the impact of weight problems on the military does not stop with those turned away from military service. From 1998 to 2008, the Armed Forces Health Surveillance Center reported the percent of active military members who experienced medical encounters for overweight or obesity significantly increased. The estimated total days of work lost from absenteeism associated with active-duty personnel who are overweight or obese was 658,000. Using Department of Defense (DOD) estimates of average daily based, it was estimated that overweight and obesity costs the DOD $103 million dollars in health care costs annually. Note this estimate is for active duty personnel only. Furthermore, obesity is a major cause for the discharge of uniformed personnel.
The current study is inspired by the successful Look Ahead trial, a behavioral science obesity intervention treatment program that included: a collaborative approach, education, behavioral support, and motivational interviewing. The unique nature of this weight reduction study is significant. To our knowledge, there had not been a successful translation of a highly efficacious obesity treatment in the military until The University of Tennessee Health Science Center implemented a pilot version of the Fit Blue program for active duty U.S. Air Force members in 2013. Following a successful pilot and extant results from the Look Ahead trial, Investigators expect success during the full scale Fit Blue study.
Study Overview
Status
Conditions
Intervention / Treatment
- Behavioral: Phone-based sessions (28 total) on a structured schedule
- Behavioral: Weight self-monitoring
- Behavioral: Dietary and physical activity self-monitoring
- Behavioral: Scheduled tailored interventionist feedback
- Behavioral: Dietary goals
- Behavioral: Meal replacements
- Behavioral: Physical activity goals
- Behavioral: Toolbox
- Behavioral: Challenges
- Behavioral: Phone-based sessions upon request
- Behavioral: Tailored interventionist feedback upon request
Detailed Description
This study is a weight loss intervention program tailored to a military population. Investigators will randomize 204 consented participants to either an intensive counselor-initiated weight loss intervention or a self-paced weight loss intervention. Neither of the aforementioned conditions are controls and both treatments are expected to result in weight reduction.
Procedures: This is a two-arm individually randomized trial. The Counselor-initiated group will follow a more intense counselor-initiated approach, where the counselor schedules weekly telephone sessions and contacts them directly. The Self-paced group uses a less intense approach, where the participants can receive the same telephone counseling sessions as the counselor-initiated group, only if they call the counselor.
Potential participants will be recruited through the use of advertisements, electronic bulletins, emails, newspapers, and word-of-mouth. Prior to randomization, interested individuals will complete a phone screening, informed consent, two in-person data collection visits and obtain medical clearance, as well as participate in 1 week of dietary and physical activity self-monitoring.
The randomized participants will spend the next year involved in study interventions (either the Counselor-Initiated intervention or the Self-Paced intervention), diet and exercise self-monitoring, daily weighing, and may also include telephone counseling sessions.
The follow-up data collection visits will occur at 4 and 12 months after randomization. At these visits, physical measurements will be collected (i.e. height, weight, abdominal circumference, blood pressure and heart rate) and participants will complete various questionnaires. A Quality of Life questionnaire will also be administered by study personnel.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Texas
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San Antonio, Texas, United States, 78236
- Wilford Hall Ambulatory Surgical Center/Lackland Air Force Base
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Active duty military personnel at Joint Base San Antonio in the San Antonio, Texas area
- BMI > 25kg/m2
- English speaking
- Clearance by healthcare provider for participation in study
- >18 years of age
- Participants have at least one year left on their duty assignment at enrollment
Exclusion Criteria:
- No access to a computer for self-monitoring in Lose It! or email feedback from counselor
- Scheduled extended leave away from the San Antonio area in the next 13 months (i.e. planned Permanent Change of Station/Temporary Duty Assignment/deployment)
- More than one failure of military-proctored physical fitness test on the last 12 months
- Uncontrolled hypertension defined as Blood pressure > 140/90
- A member of the same household is already a FitBlue participant
- Disability or condition that would limit physical activity
- Current use of a weight loss medication
- History of significant kidney or liver disease
- History of uncontrolled thyroid disease or pheochromocytoma
- Malignancy in last 5 years
- History of diabetes treated with a medication that could cause hypoglycemia
- Pregnancy, child birth within the last 6 months, breastfeeding for less than 6 months postpartum, or planning to become pregnant during the study follow-up time (12 months)
- Presence of an unstable psychiatric condition
- Severe asthma, bronchitis, or emphysema that precludes exercise
- History of bariatric surgery or history of significant recent weight loss ( > 10 pounds in past 3 months)
- Other medical or behavioral factors that in the judgement of the Principal Investigator may interfere with study participation or the ability to follow the intervention protocol
- History of cerebral, coronary, or peripheral vascular disease, uncontrolled cardiac arrhythmia, or uncontrolled congestive heart failure in past 12 months
- Lack of access to telephone
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: Counselor-Initiated
Participants will receive 28 telephone sessions over a 12 month period by interventionists trained in behavior change skills and motivational interviewing techniques.
Participants will be asked to monitor food intake and physical activity using the LoseIt website/app and weight daily using a Body Trace e-scale.
Participants will receive feedback on self-monitoring through e-mail.
Dietary goals will be based on weight and participants' weight-loss progress.
Participants will be encouraged to replace 2 meals and a snack with meal replacements (provided).
Participants will be asked to gradually increase their moderate to vigorous exercise to 225-250 minutes per week.
The Toolbox includes additional treatment options (e.g., food scales, exercise videos, cookbooks) for those who wish to take advantage of them.
There will be several challenges that will provide a specific goal (e.g. increase self-monitoring), with a small award for completion.
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28 sessions will be reviewed weekly and then bi-weekly with a trained motivational interviewing counselor for those individuals randomly assigned to the counselor-initiated condition.
Each randomized participant will be given a Body Trace scale that will electronically record their weight.
Each randomized participant will be given a free account to Lose It! Premium, an online food/activity diary for self-monitoring.
Randomly assigned participants to the counselor-initiated condition will receive feedback on their progress throughout their sessions with their assigned interventionist.
Each randomized participant will receive a daily calorie goal range based on their current weight, gender, and BMI.
Randomized participants will receive coupons for meal replacements including oatmeal and popcorn.
Each participant will complete the Global Physical Activity Questionnaire which will determine their weekly exercise goals.
The toolbox includes additional treatment options for those who wish to take advantage of them.
Items may include: food scales, cookbooks, etc.
These items may be checked out and must be returned prior to the completion of the study.
There will be several challenges designed to increase participant interest and provide a specific goal (e.g., increase self-monitoring).
Participants who successfully completed the challenges will be given a small award.
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ACTIVE_COMPARATOR: Self-Paced
The Self-paced group uses a less intense approach, where the participants can receive the same telephone counseling sessions as the counselor-initiated group, only if they call the counselor.
Participants will be asked to monitor food intake and physical activity using the LoseIt website/app and weight daily using a Body Trace e-scale.
Participants will receive feedback on self-monitoring through e-mail only upon request.
Dietary goals will be based on weight and participants' weight-loss progress.
Participants will be asked to gradually increase their moderate to vigorous exercise to 225-250 minutes per week.
|
Each randomized participant will be given a Body Trace scale that will electronically record their weight.
Each randomized participant will be given a free account to Lose It! Premium, an online food/activity diary for self-monitoring.
Each randomized participant will receive a daily calorie goal range based on their current weight, gender, and BMI.
Each participant will complete the Global Physical Activity Questionnaire which will determine their weekly exercise goals.
For those individuals randomly assigned to the self-paced condition, the 28 sessions are still available to them, the participant has to call to initiate sessions.
Randomly assigned participants to the self-paced condition have the option to receive feedback on their progress upon request.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Percent Weight Loss (Baseline to 12 Months)
Time Frame: 12 month intervention
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The primary data analysis will adhere to the intention-to-treat principle and in the final analysis, the participants will be categorized according to their initial randomization.
Investigators will be using the baseline weight as a covariate in the final primary model where the two arms will be compared in terms of the percentage of weight loss.
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12 month intervention
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The Relationship Between Attendance and Percent Weight Loss
Time Frame: 12 month intervention
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Evaluating the impact of intervention session attendance on percent weight loss outcome, as a measure of adherence.
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12 month intervention
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The Relationship Between Dietary and Physical Activity Self-monitoring Adherence and Percent Weight Loss
Time Frame: 12 month intervention
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We will evaluate the impact of dietary and physical activity self-monitoring adherence (using Lose It website/app) on weight loss outcome.
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12 month intervention
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The Relationship Between Self-weighing on Weight Loss
Time Frame: 12 month intervention
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We will also evaluated the impact of self-weighing (using Body Trace e-scales) on weight loss outcomes.
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12 month intervention
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Collaborators and Investigators
Publications and helpful links
General Publications
- Farage G, Simmons C, Kocak M, Klesges RC, Talcott GW, Richey P, Hare M, Johnson KC, Sen S, Krukowski R. Assessing the Contribution of Self-Monitoring Through a Commercial Weight Loss App: Mediation and Predictive Modeling Study. JMIR Mhealth Uhealth. 2021 Jul 14;9(7):e18741. doi: 10.2196/18741.
- Fahey MC, Klesges RC, Kocak M, Gladney LA, Talcott GW, Krukowski RA. Counselor Efficiency at Providing Feedback in a Technology-Based Behavioral Weight Loss Intervention: Longitudinal Analysis. JMIR Form Res. 2021 May 5;5(5):e23974. doi: 10.2196/23974.
- Manz KC, Waters TM, Clifton HE, Kocak M, Klesges RC, Talcott GW, Krukowski RA. Cost-Effectiveness of a Weight Loss Intervention: An Adaptation of the Look AHEAD Lifestyle Intervention in the US Military. Obesity (Silver Spring). 2020 Jan;28(1):89-96. doi: 10.1002/oby.22681. Epub 2019 Nov 26.
- Pebley K, Klesges RC, Talcott GW, Kocak M, Krukowski RA. Measurement Equivalence of E-Scale and In-Person Clinic Weights. Obesity (Silver Spring). 2019 Jul;27(7):1107-1114. doi: 10.1002/oby.22512. Epub 2019 Jun 5.
- Fahey MC, Klesges RC, Kocak M, Wayne Talcott G, Krukowski RA. Changes in the Perceptions of Self-weighing Across Time in a Behavioral Weight Loss Intervention. Obesity (Silver Spring). 2018 Oct;26(10):1566-1575. doi: 10.1002/oby.22275.
- Krukowski RA, Hare ME, Talcott GW, Gladney LA, Johnson KC, Richey PA, Kocak M, Keller PL, Hryshko-Mullen A, Klesges RC. Dissemination of the Look AHEAD Intensive Lifestyle Intervention in the United States Military: A Randomized Controlled Trial. Obesity (Silver Spring). 2018 Oct;26(10):1558-1565. doi: 10.1002/oby.22293.
- Fahey MC, Hare ME, Talcott GW, Kocak M, Hryshko-Mullen A, Klesges RC, Krukowski RA. Characteristics Associated With Participation in a Behavioral Weight Loss Randomized Control Trial in the U.S. Military. Mil Med. 2019 Mar 1;184(3-4):e120-e126. doi: 10.1093/milmed/usy199.
- Krukowski RA, Hare ME, Talcott GW, Johnson KC, Richey PA, Kocak M, Balderas J, Colvin L, Keller PL, Waters TM, Klesges RC. Dissemination of the Look AHEAD intensive lifestyle intervention in the United States Air Force: study rationale, design and methods. Contemp Clin Trials. 2015 Jan;40:232-9. doi: 10.1016/j.cct.2014.12.014. Epub 2014 Dec 26.
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
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
- 1R01DK097158-01 (NIH)
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