- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03129048
Mediterranean Diet, Weight Loss, and Cognition in Obese Older Adults
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Illinois
-
Chicago, Illinois, United States, 60608
- University of Illinois at Chicago
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Men and women ≥ 55 years of age],
- BMI 30.0-50.0 kg/m2,
- English speaking
- Have access to a phone
- Plan to reside in the Chicago area for the following 14 months
- Minimal levels of cognitive impairment as determined by the Montreal Cognitive Assessment (MoCA) < 19.
Exclusion Criteria:
- The exclusion criteria ensure that participants can safely participate in the trial.
- renal disease
- autoimmune disorder
- immunodeficiency
- malabsorptive disorder
- gastrointestinal and hepatic diseases
- severe ischemic heart disease
- severe pulmonary disease
- bariatric surgery
- alcohol abuse (> 50 grams/day) or illicit drug abuse
- uncontrolled diabetes based on capillary hemoglobin A1c (HbA1c) > 9.0%
- schizophrenia or bipolar disorder
- cancer treatment within the past 12 months
- weight > 450 lbs. (due to the weight limitation of the DXA scanner)
- diagnosed sleep apnea and regularly using a cpap machine
- currently adhering to a MedDiet, Montreal Cognitive Assessment (MoCA) < 19,(161) -
- currently on a weight-loss diet or actively involved in a formal weight loss program (e.g., Weight Watchers.)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: MedDiet-WL
MedDiet-WL group, advice and exchange lists will be designed to promote a 1-2 lb. per week weight loss (approximately 30% caloric restriction or a reduction of about 600 calories per day) for an end goal of a 7% weight loss from baseline.
|
Research subjects will be randomly assigned to one of three intervention groups. The MedDiet-A group will learn about and how to adhere to the Mediterranean Diet. Over the course of 8 months, they will receive twenty-two classes 60-minute in length. The MedDiet-WL group will learn about the Mediterranean Diet, how to adhere to is and engage in lifestyle choices like exercising and eating fewer calories so that they will loose weight. Over the course of 8 months they will receive 22 classes, each 90 minutes in length. The Typical Diet Control group will be asked to maintain current eating and activity patterns over the course of the 14 month study. |
Experimental: MedDiet-A
For the MedDiet-A group, dietary advice and corresponding exchange lists will be given within the context of promoting weight stability.
|
Research subjects will be randomly assigned to one of three intervention groups. The MedDiet-A group will learn about and how to adhere to the Mediterranean Diet. Over the course of 8 months, they will receive twenty-two classes 60-minute in length. The MedDiet-WL group will learn about the Mediterranean Diet, how to adhere to is and engage in lifestyle choices like exercising and eating fewer calories so that they will loose weight. Over the course of 8 months they will receive 22 classes, each 90 minutes in length. The Typical Diet Control group will be asked to maintain current eating and activity patterns over the course of the 14 month study. |
Other: Typical Diet Control (TDC)
Typical Diet Control (TDC) will maintain current eating and activity patterns and weight over 14 months.
|
Research subjects will be randomly assigned to one of three intervention groups. The MedDiet-A group will learn about and how to adhere to the Mediterranean Diet. Over the course of 8 months, they will receive twenty-two classes 60-minute in length. The MedDiet-WL group will learn about the Mediterranean Diet, how to adhere to is and engage in lifestyle choices like exercising and eating fewer calories so that they will loose weight. Over the course of 8 months they will receive 22 classes, each 90 minutes in length. The Typical Diet Control group will be asked to maintain current eating and activity patterns over the course of the 14 month study. |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Assessing change in Attention between time periods
Time Frame: 14 months
|
Baseline, 8-month (first intervention), and 14-month assessments will include Digit Symbol test.
|
14 months
|
Assessing change in Executive Function between time periods
Time Frame: 14 months
|
Baseline, 8-month (first intervention), and 14-month assessments will include the Trail Making Test Part B.
|
14 months
|
Assessing change in Memory between time periods
Time Frame: 14 months
|
Baseline, 8-month (first intervention), and 14-month assessments will include tests of memory including the delayed free recall from the Hopkins Verbal Learning Test.
|
14 months
|
Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Marian Fitzgibbon, PhD, UIC
Publications and helpful links
General Publications
- Fitzgibbon M, Blumstein L, Schiffer L, Antonic MA, McLeod A, Dakers R, Restrepo L, Boots EA, Sanchez-Flack JC, Tussing-Humphreys L, Lamar M. Adapting to the COVID-19 pandemic on Building Research in Diet and Cognition (BRIDGE) trial. Trials. 2021 Jul 16;22(1):459. doi: 10.1186/s13063-021-05383-6.
- Fitzgibbon M, Blumstein L, Schiffer L, Antonic MA, McLeod A, Dakers R, Restrepo L, Boots EA, Sanchez-Flack JC, Tussing-Humphreys L, Lamar M. Adapting to the impact of the COVID-19 pandemic on a randomized controlled trial examining lifestyle behaviors on cognitive functioning in obese African American adults: Building Research in Diet and Cognition (BRIDGE). Res Sq. 2021 Apr 26:rs.3.rs-290482. doi: 10.21203/rs.3.rs-290482/v1. Preprint.
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 (Actual)
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
- 2016-0258
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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