NCT02637271

Brief Summary

In order to better understand how commonly used dietary interventions for obesity influence brain activity and in turn people's ability to adhere to their healthy nutrition plan, the investigators need to study how people's brains react to food cues while undergoing such interventions. Our study will add to our understanding of neural (brain) regulation of hedonic and homeostatic mechanisms (i.e. pleasure and hunger) in influencing adherence to calorie-reduced eating plans.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
32

participants targeted

Target at P25-P50 for not_applicable obesity

Timeline
Completed

Started Jan 2016

Shorter than P25 for not_applicable obesity

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

December 16, 2015

Completed
6 days until next milestone

First Posted

Study publicly available on registry

December 22, 2015

Completed
10 days until next milestone

Study Start

First participant enrolled

January 1, 2016

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2016

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2016

Completed
Last Updated

September 2, 2016

Status Verified

December 1, 2015

Enrollment Period

5 months

First QC Date

December 16, 2015

Last Update Submit

August 31, 2016

Conditions

Keywords

Calorie restrictionMeal replacementfMRIFood-cue reactivityObesity

Outcome Measures

Primary Outcomes (1)

  • Change in fMRI Food-cue Reactivity

    Baseline (pre-intervention) and 3 weeks (post-intervention)

Secondary Outcomes (4)

  • Change in sub-scales of the Food Craving Inventory

    Baseline (pre-intervention) and 3 weeks (post-intervention)

  • Change in sub-scales of the Three-factor Eating Questionnaire

    Baseline (pre-intervention) and 3 weeks (post-intervention)

  • Change in Power of Food Scale

    Baseline (pre-intervention) and 3 weeks (post-intervention)

  • Change in Yale Food Addiction Scale

    Baseline (pre-intervention) and 3 weeks (post-intervention)

Study Arms (2)

Total Meal Replacement

EXPERIMENTAL

Participants will be provided instruction in the appropriate use of the meal replacement product. The participants will be directed to refrain from all items of food for a period of 21 days except for the meal replacement products and vitamin supplements provided by the investigators (1120 kcal/day). Optifast™ 800 total meal replacement shakes will be provided to the participants for the 21 day intervention period.

Other: Low calorie total meal replacement

Typical Diet

ACTIVE COMPARATOR

Participants will be directed to use portion control to maintain a calorie level no greater than 1120 kcal per day. The participants will be directed to continue to consume food and beverage items that are representative of their typical diet (with the exception of reduced portions). Participants will be provided resources to assist them in determining caloric content of foods eaten.

Other: Low calorie typical diet

Interventions

Participants will be provided instruction in the appropriate use of the meal replacement product. The participants will be directed to refrain from all items of food for a period of 21 days except for the meal replacement products and vitamin supplements provided by the investigators (1120 kcal/day). Optifast™ 800 total meal replacement shakes will be provided to the participants for the 21 day intervention period.

Total Meal Replacement

Participants will be directed to use portion control to maintain a calorie level no greater than 1120 kcal per day. The participants will be directed to continue to consume food and beverage items that are representative of their typical diet (with the exception of reduced portions). Participants will be provided resources to assist them in determining caloric content of foods eaten.

Typical Diet

Eligibility Criteria

Age19 Years - 60 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Age: 19-60 years
  • BMI of 30-39.9 kg/m2 (upper limit due to scanner comfort/feasibility)

You may not qualify if:

  • Participants unable to provide informed consent.
  • Participants with motor, visual or hearing impairment.
  • Females with irregular menstrual cycles.
  • Patients currently diagnosed with diabetes mellitus, experiencing uncontrolled hypertension, history of ischemic heart disease, cerebrovascular accidents, neurological disease or current severe psychiatric illness (e.g. psychosis, schizophrenia, severe untreated depression, current suicidal ideation, and current or past suicide attempts), history of psychiatric hospitalization.
  • Women who are pregnant or who are attempting to conceive.
  • Participants with contraindications for fMRI scanning.
  • aneurism clips
  • any implanted medical devices (pacemaker, neurostimulator)
  • known pregnancy
  • shrapnel in body or any injury to eye involving metal
  • any ferrous metal in body
  • Participants with a history of eating disorders such as bulimia nervosa, anorexia nervosa and severe binge eating disorder.
  • Participants with a history of substance abuse or alcohol abuse.
  • Participants who are currently on or have been on within the past 4 weeks any anti-depressant, anti-epileptic, or anxiolytic medicines.
  • Patients experiencing persistent loss of appetite, nausea or vomiting within the last 4 weeks.
  • +2 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Texas Tech University - Department of Nutritional Sciences

Lubbock, Texas, 79409, United States

Location

Related Publications (6)

  • Dye L, Warner P, Bancroft J. Food craving during the menstrual cycle and its relationship to stress, happiness of relationship and depression; a preliminary enquiry. J Affect Disord. 1995 Jun 8;34(3):157-64. doi: 10.1016/0165-0327(95)00013-d.

    PMID: 7560543BACKGROUND
  • White MA, Whisenhunt BL, Williamson DA, Greenway FL, Netemeyer RG. Development and validation of the food-craving inventory. Obes Res. 2002 Feb;10(2):107-14. doi: 10.1038/oby.2002.17.

    PMID: 11836456BACKGROUND
  • Lowe MR, Butryn ML, Didie ER, Annunziato RA, Thomas JG, Crerand CE, Ochner CN, Coletta MC, Bellace D, Wallaert M, Halford J. The Power of Food Scale. A new measure of the psychological influence of the food environment. Appetite. 2009 Aug;53(1):114-8. doi: 10.1016/j.appet.2009.05.016. Epub 2009 Jun 12.

    PMID: 19500623BACKGROUND
  • Stunkard AJ, Messick S. The three-factor eating questionnaire to measure dietary restraint, disinhibition and hunger. J Psychosom Res. 1985;29(1):71-83. doi: 10.1016/0022-3999(85)90010-8.

    PMID: 3981480BACKGROUND
  • Gearhardt AN, Corbin WR, Brownell KD. Preliminary validation of the Yale Food Addiction Scale. Appetite. 2009 Apr;52(2):430-6. doi: 10.1016/j.appet.2008.12.003. Epub 2008 Dec 11.

    PMID: 19121351BACKGROUND
  • Kahathuduwa CN, Davis T, O'Boyle M, Binks M. Do scores on the Food Craving Inventory and Three-Factor Eating Questionnaire correlate with expected brain regions of interest in people with obesity? Physiol Behav. 2018 May 1;188:1-10. doi: 10.1016/j.physbeh.2018.01.018. Epub 2018 Feb 3.

MeSH Terms

Conditions

Obesity

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Martin Binks, PhD

    Texas Tech University - Department of Nutritional Sciences

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 16, 2015

First Posted

December 22, 2015

Study Start

January 1, 2016

Primary Completion

June 1, 2016

Study Completion

June 1, 2016

Last Updated

September 2, 2016

Record last verified: 2015-12

Data Sharing

IPD Sharing
Will not share

Locations