Appetite Hormones in Binge Eating Disorder

• ClinicalTrials.gov Identifier: NCT01552759
• Recruitment Status: Completed
• First Posted: March 13, 2012
• Last Update Posted: March 11, 2013
• Sponsor: New York Obesity and Nutrition Research Center
• Collaborators: St. Luke's-Roosevelt Hospital Center; Columbia University
• Information provided by (Responsible Party): Dr. Allan Geliebter, New York Obesity and Nutrition Research Center

Study Description

Brief Summary:

This study investigates the hormones that the body produces in response to food intake and in response to stress, and the way that stress influences food intake. In particular, it compares the hormone levels and food intake of people with and without binge eating disorder. In order to find out how these appetite- and stress-related hormones are linked to brain activity, the study also includes an fMRI scan, a non-invasive procedure that looks at which regions of the brain are most active during a food-related scenario.

Condition or disease	Intervention/treatment	Phase
Binge Eating Disorder	Procedure: Postprandial responses; Behavioral: Cold pressor test; Behavioral: Test meal	Not Applicable

Detailed Description:

The objectives are to study appetite-related hormones regulating food intake under normal conditions and following a stressor in the morning and evening (when most binge episodes occur), to help reveal biological mechanisms in BED. We plan to enroll: 32 obese Ss with BED (16m, 16f), 32 obese Ss without BED (16m, 16f) and 32 normal-weight Ss without BED (16m, 16f). Height, weight, waist circumference, and body fat will be assessed during a first appointment. On two different days separated by at least a week, Ss will ingest a fixed liquid meal once in the morning and once in the evening. Appetite ratings and collections of blood and saliva to measure hormones will continue for 2 hours after the fixed meal. This will be followed on each day by a laboratory stress protocol (Socially Evaluated Cold Pressor Test; SECPT), and then consumption of an ad libitum meal 30 minutes later. On one day during the protocol, the participant will collect saliva using a swab immediately after waking and again at 08.00. In order to capture more naturalistic eating episodes, all Ss will additionally record food intake, rate appetite, and measure salivary cortisol before and after one evening meal, and one after-dinner snack (or after-dinner binge for BED Ss). On two additional days, we will use fMRI to assess brain activation in response to high-palatability food (HPF) relative to low-palatability food (LPF) or non-food (NF) visual cues following the SECPT and a control condition using warm water. On each day, following the fMRI scan, an ad libitum meal will be consumed.

Study Design

• Study Type: Interventional (Clinical Trial)
• Actual Enrollment: 96 participants
• Allocation: Non-Randomized
• Intervention Model: Parallel Assignment
• Masking: None (Open Label)
• Primary Purpose: Treatment
• Official Title: Appetite Hormones in Binge Eating Disorder
• Study Start Date: May 2007
• Actual Primary Completion Date: January 2012
• Actual Study Completion Date: January 2012

Arms and Interventions

Arm	Intervention/treatment
Experimental: Obese subjects with BED; Subjects who meet the BMI requirement for obesity (>30 kg/m^2) and the DSM requirements for binge eating disorder based on responses to validated questionnaires. Subjects will undergo the postprandial responses, cold pressor test and ad libitum test meal.	Procedure: Postprandial responses; Subjects ingest a fixed meal, with blood draws to measure appetite hormone levels taken before and after the meal.; Other Name: Liquid meal replacement is Boost (Nestle Nutrition).; Behavioral: Cold pressor test; Subjects then undergo the Socially-Evaluated Cold Pressor Test, with blood draws to measure appetite hormone levels taken before and after the test.; Behavioral: Test meal; Subjects are presented with an ad libitum buffet meal.
Experimental: Obese without BED; Subjects who meet the BMI requirement for obesity (>30 kg/m^2) but who do not meet the DSM requirements for binge eating disorder based on responses to validated questionnaires. Subjects will undergo the postprandial responses, cold pressor test and ad libitum test meal.	Procedure: Postprandial responses; Subjects ingest a fixed meal, with blood draws to measure appetite hormone levels taken before and after the meal.; Other Name: Liquid meal replacement is Boost (Nestle Nutrition).; Behavioral: Cold pressor test; Subjects then undergo the Socially-Evaluated Cold Pressor Test, with blood draws to measure appetite hormone levels taken before and after the test.; Behavioral: Test meal; Subjects are presented with an ad libitum buffet meal.
Experimental: Normal-weight without BED; Subjects with BMI 20-25 kg/m^2 who do not meet the DSM requirements for binge eating disorder based on responses to validated questionnaires. Subjects will undergo the postprandial responses, cold pressor test and ad libitum test meal.	Procedure: Postprandial responses; Subjects ingest a fixed meal, with blood draws to measure appetite hormone levels taken before and after the meal.; Other Name: Liquid meal replacement is Boost (Nestle Nutrition).; Behavioral: Cold pressor test; Subjects then undergo the Socially-Evaluated Cold Pressor Test, with blood draws to measure appetite hormone levels taken before and after the test.; Behavioral: Test meal; Subjects are presented with an ad libitum buffet meal.

Outcome Measures

Primary Outcome Measures :

1. Appetite-related Hormones and Appetite Ratings in Relation to Fixed Meal and Cold Pressor Test [ Time Frame: Assessed at systematic intervals (-15, 0, 10, 30, 60, 90, 120 min) before and after the morning fixed meal at 10.00 and the evening fixed meal at 17.00 ]
   Blood and saliva concentrations of hormones influencing appetite will be measured at systematic intervals (-15, 0, 10, 30, 60, 90, 120 min) before and after the morning fixed meal at 10.00 and the evening fixed meal at 17.00. Appetite will additionally be rated at each assessment point. This will be followed by a cold pressor test, and then 30 min later by an ad libitum meal 30 min later, with blood and saliva measurements taken before and after completion of the meal.

Secondary Outcome Measures :

1. Cortisol Awakening response [ Time Frame: Assessed on one weekday morning during the 3-week participation period ]
   On one weekday morning during the 3-week participation period, participants will take one saliva measurement on awakening and at 08.00 while still fasting. Awakening and 08.00 cortisol levels are expected to be higher in BED compared with nonBED Ss, and in obese nonBED compared with normal-weight nonBED Ss.
2. Psychological Scales [ Time Frame: During one initial consultation and on two subsequent visits at least 1 week apart ]
   Various questionnaires will be administered to test relationships between outcomes (e.g., intake, hormone levels), and psychological constructs including depression, perceived stress, external and emotional eating and restraint, binge-eating behavior, and night eating. Outcomes will be correlated with scale scores, and scores will be compared between groups. Among other relationships, we anticipate positive correlations between binge eating score, ad libitum intake and ghrelin SECPT response. Psychological scores will be entered as covariates as appropriate.
3. Body Weight, Body Composition and Gender [ Time Frame: During one initial consultation and on two subsequent visits at least 1 week apart ]
   Measurements will include height, weight, waist circumference, total body fat from BIA, and cross-sectional abdominal MRI to estimate central, visceral, and subcutaneous fat. Each adiposity index will be correlated with outcomes and compared between groups.

Eligibility Criteria

• Ages Eligible for Study: 18 Years to 50 Years (Adult)
• Sexes Eligible for Study: All
• Accepts Healthy Volunteers: Yes

Criteria

Inclusion Criteria:

• BMI of 20-25 or 30-50
• stable weight(± 4%) for at least 3 mo
• premenopausal and have regular menstrual cycles (28 d ± 5), not be pregnant or lactating, and not be within 1 y of childbirth
• must like pizza and be willing to consume it during the ad libitum meal

Exclusion Criteria:

• significant medical or psychiatric conditions
• current and past 3-mo use of certain prescribed medications, especially those that could affect body weight, such as antidepressants and stimulants as well as smoking, or excess alcohol (> 3 drinks/d)
• vigorously exercise for more than 6 h/wk
• left-handed, with known claustrophobia for a scanner enclosure, or have metal implants, non-removable metallic dental retainers, pacemakers, or permanent eyeliner or large tattoos that contain metallic pigment

Contacts and Locations

Locations

United States, New York

St. Luke's Hospital

New York, New York, United States, 10025

Sponsors and Collaborators

New York Obesity and Nutrition Research Center

St. Luke's-Roosevelt Hospital Center

Columbia University

Investigators

• Principal Investigator: Allan Geliebter, PhD; New York Obesity and Nutrition Research Center

More Information

Additional Information:

New York Obesity and Nutrition Research Center 

Publications:

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Geliebter A, Hassid G, Hashim SA. Test meal intake in obese binge eaters in relation to mood and gender. Int J Eat Disord. 2001 May;29(4):488-94. doi: 10.1002/eat.1047.

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Gluck ME, Geliebter A, Hung J, Yahav E. Cortisol, hunger, and desire to binge eat following a cold stress test in obese women with binge eating disorder. Psychosom Med. 2004 Nov-Dec;66(6):876-81. doi: 10.1097/01.psy.0000143637.63508.47.

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Geliebter A, Ladell T, Logan M, Schneider T, Sharafi M, Hirsch J. Responsivity to food stimuli in obese and lean binge eaters using functional MRI. Appetite. 2006 Jan;46(1):31-5. doi: 10.1016/j.appet.2005.09.002. Epub 2005 Dec 20. Erratum In: Appetite. 2006 May;46(3):395. Schweider, Tzipporah [corrected to Schneider, Tzipporah].

• Responsible Party: Dr. Allan Geliebter, Principal Investigator, New York Obesity and Nutrition Research Center
• ClinicalTrials.gov Identifier: NCT01552759
• Other Study ID Numbers: 06-163
• First Posted: March 13, 2012
• Last Update Posted: March 11, 2013
• Last Verified: March 2013

Keywords provided by Dr. Allan Geliebter, New York Obesity and Nutrition Research Center:

Appetite Hormones; Binge Eating Disorder; Obesity; Cortisol; Stress

Additional relevant MeSH terms:

Disease; Bulimia; Feeding and Eating Disorders; Binge-Eating Disorder; Pathologic Processes; Mental Disorders; Hyperphagia; Signs and Symptoms, Digestive