A to Z Study Follow-up: Collection of DNA Data From Buccal Swabs

Status unconfirmed

Conditions studied: Weight Management, Diet Conditions, Dietary Recommendations, Overweight Management, Obesity

In brief

The goal of this study is to determine the association between genotypes and diet. The weight and weight loss data are already available from the previously completed study called: A to Z Study - Benefits and Risks of Alternative Weight Loss Strategies - A Clinical Trial, which was performed from 2003-2005 at Stanford University. In the present study, Interleukin Genetics will obtain DNA samples from the previously enrolled study subjects to investigate genetic influence of the response to macronutrient compositions of low caloric diets to weight loss.

Key facts

Study ID

NCT00866151

Run by

Interleukin Genetics, Inc.

People needed

150

Starts

2008-08-01

Expected to finish

2009-09-01

Last updated by the study team

2009-03-20

Who can join

Age: 25 and older, up to 50. Sex: female. Healthy volunteers: accepted.

You may qualify if…

• BMI (body mass index): 27-40 kg/m2
• Gender: Women only
• Age: 25-50
• Menopausal status: pre-menopausal
• Weight stable for last 2-months
• Not on a weight loss plan
• No ethnic restrictions
• No plans to move from the area over the next 6-months
• Willing to accept random assignment
• Possess English speaking and reading skills to understand and complete forms such as informed consent and study evaluation

You may not qualify if…

• Hypertension
• Diabetes (type 1 or 2) or history of gestational diabetes
• Heart disease diagnosis
• Renal or lever disease
• Active neoplasms
• Pregnant, lactating, within 6-months of birth, or planning to become pregnant in the next 6-months
• Hyperthyroidism, unless treated and under control
• Medications known to affect weight / energy expenditure
• Excessive alcohol intake (self-reported, > 3 drinks/day)
• Postmenopausal, including surgical menopause
• Currently under psychiatric care, or severely clinically depressed (>17 on Beck Inventory)

Where it is running

• Stanford University — Stanford, California, United States

Full record on ClinicalTrials.gov

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