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Comparison of Popular Weight Loss Diets Clinical Trials Information presented on Clinical Trials Search is not designed to be a substitute for proven healthcare advice, travels to or treatment by using a genuine medical doctor. We are not physicians. Always confer with your doctor on Comparison of Popular Weight Loss Diets conditions. Clinical Trials Search.org is a site devoted to listing clinical research studies in human subjects. Comparison of Popular Weight Loss Diets Clinical research trials and Comparison of Popular Weight Loss Diets healthcare trials take place in many of cities across the United States of America. A clinical trial or clinical study is a research project with human volunteer subjects. Clinical drug trials and pharmaceutical clinical trials generally evaluate the effectiveness of new drugs. The function of the studies / undertakings is to answer specific human medical questions. Clinical trials are a popular means for mDs, government agencies, and private sector companies to find treatments for all forms of conditions, including Comparison of Popular Weight Loss Diets. Comparison of Popular Weight Loss Diets Clinical Trials and other clinical trials allow for volunteers to access medical treatment alternatives before they are available to the masses. Many times the test subjects undergo treatment for without cost, and occasionally they are compensated for their time. Occasionally there is a cost for a Comparison of Popular Weight Loss Diets clinical trial. Test subjects oftentimes recieve the best healthcare possible for their Comparison of Popular Weight Loss Diets condition. Hazards are a reality, nonetheless, and might include additional or frequent doctor trips, healthcare hazards (perhaps life-jeopardizing), and/or the treatment being ineffective. Trials are federally regulated with rigid guidelines to protect clinical trials subjects.
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Home > "C" Clinical Trials Conditions > Comparison of Popular Weight Loss Diets  Comparison of Popular Weight Loss Diets
Comparison of Popular Weight Loss Diets
For Condition: Obesity
Status: No longer recruiting
Sponsor(s): National Center for Complementary and Alternative Medicine (NCCAM) ,
Synopsis: This study will compare the safety and effectiveness of three popular weight loss plans. These plans will be compared with the USDA Dietary Guidelines.
Details: Obesity is the single most significant, nutrition-related health issue of the new millennium. Several “medical experts” have designed and promoted weight loss diets that dramatically differ from one another and from the USDA Dietary Guidelines. These diets have gained surprisingly widespread and persistent popularity among Americans despite the lack of evidence supporting their claims. This clinical trial will provide preliminary feasibility data for a full-scale study that will examine health outcomes (e.g., benefits, risks, success) of three popular weight loss diets. The study will investigate behavioral and physiological factors that influence adherence and retention to these diet plans. Overweight women will be randomly assigned to one of four diets for 1 year: Atkins (extremely low carbohydrate), Zone (low carbohydrate, high protein), Ornish (very low fat), or USDA/Food Pyramid (high carbohydrate/moderate-low fat). Behavioral and physiological data will be collected. Participants will have 4 study visits that will include weight and blood pressure measurements and blood tests. Participants will be asked to complete ten questionnaires over the course of the study to assess behavior and appetite. Participants will also undergo a DEXA scan to assess body composition.
Eligibility:
Study Type: Interventional, Treatment, Randomized, Single Blind, Active Control, Parallel Assignment, Safety/Efficacy Study
Minimum Age/Maximum Age: 30 Years/50 Years
Genders: Female
Protocol Entry Criteria: Inclusion Criteria - Body mass index (BMI) between 27 and 40 kg/m2 - Weight stable for last 2 months - Not actively on a weight loss plan - No plans to move from the area over the next 2 years - Willing to accept random assignment Exclusion Criteria - Pregnant or breastfeeding - Within 6 months of giving birth or planning to become pregnant in the next 2 years - Diabetes (type 1 or 2) or history of gestational diabetes - Renal or liver disease, active neoplasms, or recent myocardial infarction - Hyper- or hypothyroidism - Lipid lowering medications or 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)
Total Enrollment: 48
Location and Contact Information:
Overall Study Official:
ChristopherGardner, Principal Investigator, Stanford University
Stanford Prevention Research Center
Stanford, California, 94305
United States
Additional Information:
Study ID Numbers: 1 R21 AT01098-01A1;
Study Start Date: July 2002
Record last reviewed: May 2004
Additional information available at: clinicaltrials.gov
Clinicaltrials.gov Reference link: NCT00079573
Other Obesity Studies:
1. Prevention of weight gain
2. Genomic Dissection of a QTL Affecting the Lipid Profile
3. Energy Expenditure, Diet and Body Fat in Children
4. Women's Healthy Lifestyle Project: Cardiovascular Risk Factors and Menopause
5. Metformin to Treat Obesity in Children with Insulin Resistance
Related Studies:
Other Obesity Clinical Trials
Other California Clinical Trials
Other Stanford Clinical Trials
Comparison of Popular Weight Loss Diets
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